@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap);#root,body,html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:17px;line-height:1.6;margin:0;min-height:100vh;padding:0;scroll-behavior:smooth}#root,body,html{background:#181a1b!important;color:#e6e6e6!important}a{color:#60a5fa;text-decoration:none;transition:color .13s}a:focus,a:hover{color:#2563eb;outline:none}button,input,select,textarea{background:none;border:none;color:inherit;font-family:inherit;font-size:inherit;outline:none}:focus{outline:2px solid #2563eb;outline-offset:2px}::-webkit-scrollbar{background:#232a2e;width:10px}::-webkit-scrollbar-thumb{background:#232a2e;border-radius:8px}@media (max-width:700px){#root,body,html{font-size:15px}}body{background:#f8f9fa;color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;scroll-behavior:smooth}:root{--primary-color:#2563eb;--primary-gradient:linear-gradient(135deg,#232a2e,#181a1b);--secondary-color:#232a2e;--accent-color:#2563eb;--success-color:#22c55e;--warning-color:#facc15;--danger-color:#ef4444;--info-color:#38bdf8;--text-primary:#e6e6e6;--text-secondary:#bdbdbd;--text-muted:#999;--text-light:#fff;--bg-primary:#232a2e;--bg-secondary:#181a1b;--bg-dark:#181a1b;--border-color:#232a2e;--border-light:#232a2e;--shadow-sm:0 2px 4px #0000001a;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 25px #00000026;--shadow-xl:0 12px 40px #0003;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:20px;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--transition-fast:0.2s cubic-bezier(0.4,0,0.2,1);--transition-base:0.3s cubic-bezier(0.4,0,0.2,1);--transition-slow:0.5s cubic-bezier(0.4,0,0.2,1);--transition-bounce:0.4s cubic-bezier(0.68,-0.55,0.265,1.55);--transition-smooth:0.6s cubic-bezier(0.25,0.46,0.45,0.94)}h1,h2,h3,h4,h5,h6{color:#1e293b;color:var(--text-primary);font-weight:700;line-height:1.2;margin:0 0 1rem;margin:0 0 var(--spacing-md) 0}h1{font-size:2.25rem;font-size:var(--font-size-4xl)}h2{font-size:1.875rem;font-size:var(--font-size-3xl)}h3{font-size:1.5rem;font-size:var(--font-size-2xl)}h4{font-size:1.25rem;font-size:var(--font-size-xl)}h5{font-size:1.125rem;font-size:var(--font-size-lg)}h6{font-size:1rem;font-size:var(--font-size-base)}p{color:#64748b;color:var(--text-secondary);margin:0 0 1rem;margin:0 0 var(--spacing-md) 0}.btn{align-items:center;background:#3b82f6;background:var(--primary-color);border:none;border-radius:12px;border-radius:var(--radius-lg);color:#fff;color:var(--text-light);cursor:pointer;display:inline-flex;font-size:1rem;font-size:var(--font-size-base);font-weight:600;gap:.5rem;gap:var(--spacing-sm);justify-content:center;overflow:hidden;padding:1rem 2rem;padding:var(--spacing-md) var(--spacing-xl);position:relative;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.btn:hover{background:#1d4ed8;box-shadow:0 8px 25px #2563eb4d;transform:translateY(-2px)}.btn:active{transform:translateY(0);transition:transform .2s cubic-bezier(.4,0,.2,1);transition:transform var(--transition-fast)}.btn-secondary{background:#f8fafc;background:var(--bg-secondary);border:2px solid #e2e8f0;border:2px solid var(--border-color);color:#1e293b;color:var(--text-primary)}.btn-secondary:hover{background:#e2e8f0;background:var(--border-color);border-color:#3b82f6;border-color:var(--primary-color);box-shadow:0 8px 25px #0003;transform:translateY(-2px)}.btn-success{background:#10b981;background:var(--success-color)}.btn-warning{background:#f59e0b;background:var(--warning-color);color:#1e293b;color:var(--text-primary)}.btn-danger{background:#ef4444;background:var(--danger-color)}.btn-info{background:#38bdf8;background:var(--info-color)}.card{background:#232a2e;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--radius-xl);box-shadow:0 2px 4px #0000001a;box-shadow:var(--shadow-sm);transition:all .3s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.card:hover{box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);transform:translateY(-2px)}input,select,textarea{background:#232a2e;background:var(--bg-primary);border:2px solid #e2e8f0;border:2px solid var(--border-color);border-radius:8px;border-radius:var(--radius-md);color:#1e293b;color:var(--text-primary);font-size:1rem;font-size:var(--font-size-base);padding:1rem;padding:var(--spacing-md);transition:border-color .3s cubic-bezier(.4,0,.2,1);transition:border-color var(--transition-base)}input:focus,select:focus,textarea:focus{border-color:#3b82f6;border-color:var(--primary-color);box-shadow:0 0 0 3px #667eea1a;outline:none}a:hover{color:#10b981;color:var(--secondary-color)}::-webkit-scrollbar-track{background:#f8fafc}::-webkit-scrollbar-thumb{background:#e2e8f0;border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:#999;background:var(--text-muted)}:focus-visible{outline:2px solid #3b82f6;outline:2px solid var(--primary-color);outline-offset:2px}::selection{background:#3b82f6;background:var(--primary-color);color:#fff;color:var(--text-light)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.font-bold{font-weight:700}.font-semibold{font-weight:600}.font-medium{font-weight:500}.text-primary{color:#1e293b;color:var(--text-primary)}.text-secondary{color:#64748b;color:var(--text-secondary)}.text-muted{color:#999;color:var(--text-muted)}.text-light{color:#fff;color:var(--text-light)}.bg-primary{background:#232a2e;background:var(--bg-primary)}.bg-secondary{background:#f8fafc;background:var(--bg-secondary)}.bg-dark{background:#181a1b;background:var(--bg-dark)}.rounded{border-radius:8px;border-radius:var(--radius-md)}.rounded-lg{border-radius:12px;border-radius:var(--radius-lg)}.rounded-xl{border-radius:16px;border-radius:var(--radius-xl)}.shadow{box-shadow:0 2px 4px #0000001a;box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;box-shadow:var(--shadow-lg)}.transition{transition:all .3s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.transition-fast{transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-fast)}.transition-slow{transition:all .5s cubic-bezier(.4,0,.2,1);transition:all var(--transition-slow)}@media (max-width:768px){:root{--font-size-4xl:2rem;--font-size-3xl:1.75rem;--font-size-2xl:1.5rem;--font-size-xl:1.125rem}.btn{font-size:.875rem;font-size:var(--font-size-sm);padding:.5rem 1.5rem;padding:var(--spacing-sm) var(--spacing-lg)}}@media (max-width:480px){:root{--font-size-4xl:1.75rem;--font-size-3xl:1.5rem;--font-size-2xl:1.25rem}}.bg-dark,.bg-primary,.bg-secondary{background:#181a1b!important}.btn,.card,.input,.select,.textarea{background:#232a2e!important;border-color:#232a2e!important;color:#e6e6e6!important}:root{--primary-color:#3b82f6;--primary-dark:#2563eb;--primary-light:#60a5fa;--secondary-color:#10b981;--accent-color:#f59e0b;--success-color:#10b981;--warning-color:#f59e0b;--error-color:#ef4444;--background:#fff;--bg-secondary:#f8fafc;--card-bg:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--border-color:#e2e8f0;--shadow:0 1px 3px 0 #0000001a,0 1px 2px 0 #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}[data-theme=dark]{--background:#0f172a;--bg-secondary:#1e293b;--card-bg:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--border-color:#334155;--shadow:0 1px 3px 0 #0000004d,0 1px 2px 0 #0003;--shadow-lg:0 10px 15px -3px #0000004d,0 4px 6px -2px #0003;--shadow-xl:0 20px 25px -5px #0000004d,0 10px 10px -5px #0003}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fff;background:var(--background);color:#1e293b;color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;overflow-x:hidden;transition:background-color .3s ease,color .3s ease}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes fadeInLeft{0%{opacity:0;transform:translateX(-40px) scale(.95)}to{opacity:1;transform:translateX(0) scale(1)}}@keyframes fadeInRight{0%{opacity:0;transform:translateX(40px) scale(.95)}to{opacity:1;transform:translateX(0) scale(1)}}@keyframes slideInDown{0%{transform:translateY(-60px)}to{transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8) rotate(-5deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}@keyframes scaleInUp{0%{opacity:0;transform:scale(.8) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes bounceIn{0%{opacity:0;transform:scale(.7) rotate(-10deg)}50%{opacity:1;transform:scale(1.05) rotate(2deg)}70%{transform:scale(.98) rotate(-1deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}@keyframes heartbeat{0%,to{transform:scale(1)}14%{transform:scale(1.08)}28%{transform:scale(1)}42%{transform:scale(1.08)}70%{transform:scale(1)}}@keyframes wave{0%,60%,to{transform:none}30%{transform:translateY(-12px) rotate(2deg)}}@keyframes glow{0%,to{box-shadow:0 0 5px #3b82f64d}50%{box-shadow:0 0 20px #3b82f699,0 0 30px #3b82f666}}@keyframes morphIn{0%{filter:blur(4px);opacity:0;transform:scale(.8) rotateX(15deg) rotateY(-15deg)}to{filter:blur(0);opacity:1;transform:scale(1) rotateX(0deg) rotateY(0deg)}}@keyframes slideInFromCorner{0%{opacity:0;transform:translate(50px,50px) scale(.8)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes elasticIn{0%{opacity:0;transform:scale(.3) rotate(-10deg)}50%{opacity:1;transform:scale(1.1) rotate(2deg)}80%{transform:scale(.95) rotate(-1deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}@keyframes slideInStagger{0%{opacity:0;transform:translateX(-100px)}to{opacity:1;transform:translateX(0)}}@keyframes fadeInScale{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}@keyframes slideUpFade{0%{opacity:0;transform:translateY(30px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes bounceInLeft{0%{opacity:0;transform:translateX(-100px) scale(.8)}60%{opacity:1;transform:translateX(10px) scale(1.05)}to{transform:translateX(0) scale(1)}}@keyframes bounceInRight{0%{opacity:0;transform:translateX(100px) scale(.8)}60%{opacity:1;transform:translateX(-10px) scale(1.05)}to{transform:translateX(0) scale(1)}}@keyframes zoomIn{0%{opacity:0;transform:scale(.3)}50%{opacity:1}to{opacity:1;transform:scale(1)}}@keyframes flipInX{0%{opacity:0;transform:perspective(400px) rotateX(90deg)}40%{transform:perspective(400px) rotateX(-20deg)}60%{transform:perspective(400px) rotateX(10deg)}80%{transform:perspective(400px) rotateX(-5deg)}to{opacity:1;transform:perspective(400px) rotateX(0deg)}}@keyframes flipInY{0%{opacity:0;transform:perspective(400px) rotateY(90deg)}40%{transform:perspective(400px) rotateY(-20deg)}60%{transform:perspective(400px) rotateY(10deg)}80%{transform:perspective(400px) rotateY(-5deg)}to{opacity:1;transform:perspective(400px) rotateY(0deg)}}@keyframes lightSpeedIn{0%{opacity:0;transform:translateX(-100px) skewX(-30deg)}60%{opacity:1;transform:translateX(20px) skewX(20deg)}80%{transform:translateX(-5px) skewX(-5deg)}to{opacity:1;transform:translateX(0) skewX(0deg)}}@keyframes rollIn{0%{opacity:0;transform:translateX(-100%) rotate(-120deg)}to{opacity:1;transform:translateX(0) rotate(0deg)}}@keyframes jackInTheBox{0%{opacity:0;transform:scale(.1) rotate(30deg);transform-origin:center bottom}50%{transform:rotate(-10deg)}70%{transform:rotate(3deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}.animate-fade-in{animation:fadeIn .8s cubic-bezier(.25,.46,.45,.94)}.animate-fade-in-up{animation:fadeInUp .8s cubic-bezier(.25,.46,.45,.94)}.animate-fade-in-down{animation:fadeInDown .8s cubic-bezier(.25,.46,.45,.94)}.animate-fade-in-left{animation:fadeInLeft .8s cubic-bezier(.25,.46,.45,.94)}.animate-fade-in-right{animation:fadeInRight .8s cubic-bezier(.25,.46,.45,.94)}.animate-slide-in-up{animation:slideInUp .8s cubic-bezier(.25,.46,.45,.94)}.animate-slide-in-down{animation:slideInDown .8s cubic-bezier(.25,.46,.45,.94)}.animate-slide-in-left{animation:slideInLeft .8s cubic-bezier(.25,.46,.45,.94)}.animate-slide-in-right{animation:slideInRight .8s cubic-bezier(.25,.46,.45,.94)}.animate-scale-in{animation:scaleIn .8s cubic-bezier(.25,.46,.45,.94)}.animate-scale-in-up{animation:scaleInUp .8s cubic-bezier(.25,.46,.45,.94)}.animate-bounce-in{animation:bounceIn .8s cubic-bezier(.68,-.55,.265,1.55)}.animate-pulse{animation:pulse 2.5s cubic-bezier(.4,0,.6,1) infinite}.animate-float{animation:float 4s cubic-bezier(.4,0,.6,1) infinite}.animate-shimmer{animation:shimmer 2s cubic-bezier(.4,0,.6,1) infinite;background:linear-gradient(90deg,#0000,#fff3,#0000);background-size:200px 100%}.animate-rotate{animation:rotate 2.5s linear infinite}.animate-spin{animation:spin 1.2s linear infinite}.animate-heartbeat{animation:heartbeat 2s cubic-bezier(.4,0,.6,1) infinite}.animate-shake{animation:shake .8s cubic-bezier(.36,0,.66,1)}.animate-wave{animation:wave 2s cubic-bezier(.4,0,.6,1) infinite}.animate-glow{animation:glow 3s cubic-bezier(.4,0,.6,1) infinite}.animate-morph-in{animation:morphIn 1s cubic-bezier(.25,.46,.45,.94)}.animate-slide-in-corner{animation:slideInFromCorner .8s cubic-bezier(.25,.46,.45,.94)}.animate-elastic-in{animation:elasticIn 1s cubic-bezier(.68,-.55,.265,1.55)}.animate-fade-in-scale{animation:fadeInScale .8s cubic-bezier(.25,.46,.45,.94)}.animate-slide-up-fade{animation:slideUpFade .8s cubic-bezier(.25,.46,.45,.94)}.animate-bounce-in-left{animation:bounceInLeft 1s cubic-bezier(.68,-.55,.265,1.55)}.animate-bounce-in-right{animation:bounceInRight 1s cubic-bezier(.68,-.55,.265,1.55)}.animate-zoom-in{animation:zoomIn .8s cubic-bezier(.25,.46,.45,.94)}.animate-flip-in-x{animation:flipInX 1s cubic-bezier(.25,.46,.45,.94)}.animate-flip-in-y{animation:flipInY 1s cubic-bezier(.25,.46,.45,.94)}.animate-light-speed-in{animation:lightSpeedIn 1s cubic-bezier(.25,.46,.45,.94)}.animate-roll-in{animation:rollIn 1s cubic-bezier(.25,.46,.45,.94)}.animate-jack-in-the-box{animation:jackInTheBox 1s cubic-bezier(.68,-.55,.265,1.55)}.animate-delay-100{animation-delay:.1s}.animate-delay-200{animation-delay:.2s}.animate-delay-300{animation-delay:.3s}.animate-delay-400{animation-delay:.4s}.animate-delay-500{animation-delay:.5s}.animate-delay-600{animation-delay:.6s}.animate-delay-700{animation-delay:.7s}.animate-delay-800{animation-delay:.8s}.animate-delay-900{animation-delay:.9s}.animate-delay-1000{animation-delay:1s}.hover-lift{transition:transform .4s cubic-bezier(.25,.46,.45,.94),box-shadow .4s cubic-bezier(.25,.46,.45,.94);will-change:transform,box-shadow}.hover-lift:hover{box-shadow:0 20px 40px #00000026;transform:translateY(-8px) scale(1.02)}.hover-scale{transition:transform .4s cubic-bezier(.25,.46,.45,.94);will-change:transform}.hover-scale:hover{transform:scale(1.05)}.hover-glow{transition:box-shadow .4s cubic-bezier(.25,.46,.45,.94);will-change:box-shadow}.hover-glow:hover{box-shadow:0 0 25px #3b82f666}.hover-bounce{transition:transform .4s cubic-bezier(.68,-.55,.265,1.55);will-change:transform}.hover-bounce:hover{transform:translateY(-6px)}.hover-rotate{transition:transform .4s cubic-bezier(.25,.46,.45,.94);will-change:transform}.hover-rotate:hover{transform:rotate(5deg) scale(1.05)}.hover-pulse{transition:transform .4s cubic-bezier(.25,.46,.45,.94);will-change:transform}.hover-pulse:hover{animation:pulse 1.5s cubic-bezier(.4,0,.6,1) infinite}.hover-morph{transition:all .4s cubic-bezier(.25,.46,.45,.94);will-change:transform,filter}.hover-morph:hover{filter:brightness(1.1) contrast(1.1);transform:scale(1.05) rotateY(5deg)}.hover-slide{transition:transform .4s cubic-bezier(.25,.46,.45,.94);will-change:transform}.hover-slide:hover{transform:translateX(8px) scale(1.02)}.hover-elastic{transition:transform .6s cubic-bezier(.68,-.55,.265,1.55);will-change:transform}.hover-elastic:hover{transform:scale(1.08)}.page-enter{opacity:0;transform:translateY(20px) scale(.98)}.page-enter-active{transition:opacity .6s cubic-bezier(.25,.46,.45,.94),transform .6s cubic-bezier(.25,.46,.45,.94)}.page-enter-active,.page-exit{opacity:1;transform:translateY(0) scale(1)}.page-exit-active{opacity:0;transform:translateY(-20px) scale(.98);transition:opacity .4s cubic-bezier(.25,.46,.45,.94),transform .4s cubic-bezier(.25,.46,.45,.94)}.loading-dots{display:inline-flex;gap:6px}.loading-dots span{animation:pulse 1.4s cubic-bezier(.4,0,.6,1) infinite both;background:#3b82f6;background:var(--primary-color);border-radius:50%;height:10px;width:10px}.loading-dots span:first-child{animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}.loading-dots span:nth-child(3){animation-delay:0s}.skeleton{animation:shimmer 2s cubic-bezier(.4,0,.6,1) infinite;background:linear-gradient(90deg,#f8fafc 25%,#e2e8f0 50%,#f8fafc 75%);background:linear-gradient(90deg,var(--bg-secondary) 25%,var(--border-color) 50%,var(--bg-secondary) 75%);background-size:200% 100%;border-radius:6px}.skeleton-text{height:1em;margin-bottom:.5em}.skeleton-text:last-child{width:60%}.skeleton-avatar{border-radius:50%;height:40px;width:40px}.skeleton-button{border-radius:8px;height:40px}.scroll-animate{opacity:0;transform:translateY(30px) scale(.95);transition:opacity .8s cubic-bezier(.25,.46,.45,.94),transform .8s cubic-bezier(.25,.46,.45,.94);will-change:opacity,transform}.scroll-animate.visible{opacity:1;transform:translateY(0) scale(1)}.focus-ring{transition:box-shadow .3s cubic-bezier(.25,.46,.45,.94);will-change:box-shadow}.focus-ring:focus{box-shadow:0 0 0 4px #3b82f64d;outline:none}.btn-animate{overflow:hidden;position:relative;transition:all .4s cubic-bezier(.25,.46,.45,.94);will-change:transform}.btn-animate:before{background:#ffffff4d;border-radius:50%;content:"";height:0;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);transition:width .6s cubic-bezier(.25,.46,.45,.94),height .6s cubic-bezier(.25,.46,.45,.94);width:0}.btn-animate:hover:before{height:300px;width:300px}.btn-animate:hover{transform:translateY(-2px) scale(1.02)}.card-animate{transform-style:preserve-3d;transition:all .4s cubic-bezier(.25,.46,.45,.94);will-change:transform,box-shadow}.card-animate:hover{box-shadow:0 25px 50px #0003;transform:translateY(-10px) rotateX(5deg) rotateY(2deg)}.text-animate{overflow:hidden}.text-animate span{animation:fadeInUp .6s cubic-bezier(.25,.46,.45,.94) forwards;display:inline-block;opacity:0;transform:translateY(20px)}.text-animate span:first-child{animation-delay:.1s}.text-animate span:nth-child(2){animation-delay:.2s}.text-animate span:nth-child(3){animation-delay:.3s}.text-animate span:nth-child(4){animation-delay:.4s}.text-animate span:nth-child(5){animation-delay:.5s}.icon-animate{transition:transform .4s cubic-bezier(.25,.46,.45,.94);will-change:transform}.icon-animate:hover{transform:scale(1.2) rotate(8deg)}.progress-animate{transition:width 1s cubic-bezier(.25,.46,.45,.94);will-change:width}.modal-enter{opacity:0;transform:scale(.8) rotateX(10deg)}.modal-enter-active{transition:opacity .5s cubic-bezier(.25,.46,.45,.94),transform .5s cubic-bezier(.25,.46,.45,.94)}.modal-enter-active,.modal-exit{opacity:1;transform:scale(1) rotateX(0deg)}.modal-exit-active{opacity:0;transform:scale(.8) rotateX(10deg);transition:opacity .4s cubic-bezier(.25,.46,.45,.94),transform .4s cubic-bezier(.25,.46,.45,.94)}.toast-enter{opacity:0;transform:translateX(60px) scale(.9)}.toast-enter-active{transition:opacity .5s cubic-bezier(.25,.46,.45,.94),transform .5s cubic-bezier(.25,.46,.45,.94)}.toast-enter-active,.toast-exit{opacity:1;transform:translateX(0) scale(1)}.toast-exit-active{opacity:0;transform:translateX(60px) scale(.9);transition:opacity .4s cubic-bezier(.25,.46,.45,.94),transform .4s cubic-bezier(.25,.46,.45,.94)}.stagger-grid>*{animation:slideUpFade .8s cubic-bezier(.25,.46,.45,.94) forwards;opacity:0;transform:translateY(30px) scale(.95)}.stagger-grid>:first-child{animation-delay:.1s}.stagger-grid>:nth-child(2){animation-delay:.2s}.stagger-grid>:nth-child(3){animation-delay:.3s}.stagger-grid>:nth-child(4){animation-delay:.4s}.stagger-grid>:nth-child(5){animation-delay:.5s}.stagger-grid>:nth-child(6){animation-delay:.6s}.stagger-grid>:nth-child(7){animation-delay:.7s}.stagger-grid>:nth-child(8){animation-delay:.8s}.parallax-fast,.parallax-medium,.parallax-slow{transform:translateZ(0);will-change:transform}.micro-bounce{transition:transform .2s cubic-bezier(.68,-.55,.265,1.55)}.micro-bounce:active{transform:scale(.95)}.micro-lift{transition:transform .2s cubic-bezier(.25,.46,.45,.94)}.micro-lift:active{transform:translateY(2px)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (max-width:768px){.animate-fade-in-down,.animate-fade-in-left,.animate-fade-in-right,.animate-fade-in-up{animation-duration:.6s}.hover-lift:hover{transform:translateY(-4px) scale(1.01)}.card-animate:hover{transform:translateY(-6px) rotateX(3deg)}}.animate-optimized{-webkit-backface-visibility:hidden;backface-visibility:hidden;perspective:1000px;transform-style:preserve-3d}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;box-sizing:border-box;font-family:Inter,Segoe UI,Arial,sans-serif}*,:after,:before{box-sizing:inherit}.animated-text{display:inline-block;overflow:hidden}.typewriter-cursor{animation:blink 1s infinite;color:#3b82f6;color:var(--primary-color);font-weight:700}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.text-reveal{overflow:hidden;position:relative}.text-reveal:after{animation:textReveal 1.5s cubic-bezier(.25,.46,.45,.94) forwards;background:#3b82f6;background:var(--primary-color);content:"";height:100%;left:0;position:absolute;top:0;transform:translateX(-100%);width:100%}@keyframes textReveal{0%{transform:translateX(-100%)}50%{transform:translateX(0)}to{transform:translateX(100%)}}.gradient-text{-webkit-text-fill-color:#0000;animation:gradientShift 3s ease-in-out infinite;background:linear-gradient(135deg,#3b82f6,#f59e0b 50%,#3b82f6);background:linear-gradient(135deg,var(--primary-color) 0,var(--accent-color) 50%,var(--primary-color) 100%);-webkit-background-clip:text;background-clip:text;background-size:200% 200%}.settings-modal-overlay{align-items:center;animation:settings-modal-fade-in .2s ease-out;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000b3;bottom:0;display:flex;justify-content:center;left:0;padding:1rem;position:fixed;right:0;top:0;z-index:1000}.settings-modal{animation:settings-modal-slide-in .3s ease-out;border:1px solid #404040;border:1px solid var(--border-color,#404040);border-radius:1.5rem;box-shadow:0 20px 60px #0000004d;max-height:90vh;max-width:500px;overflow:hidden;width:100%}.settings-modal,.settings-modal-header{background:#2a2a2a;background:var(--card-bg,#2a2a2a)}.settings-modal-header{align-items:center;border-bottom:1px solid #404040;border-bottom:1px solid var(--border-color,#404040);display:flex;justify-content:space-between;padding:1.5rem 2rem}.settings-modal-title{color:#fff;color:var(--text-primary,#fff);font-size:1.5rem;font-weight:700;margin:0}.settings-modal-close{background:none;border:none;border-radius:.5rem;color:#a0a0a0;color:var(--text-secondary,#a0a0a0);cursor:pointer;font-size:2rem;line-height:1;padding:.5rem;transition:all .2s ease}.settings-modal-close:hover{background:#404040;background:var(--hover-bg,#404040);color:#fff;color:var(--text-primary,#fff)}.settings-modal-content{max-height:calc(90vh - 120px);overflow-y:auto;padding:2rem}.settings-section{margin-bottom:2.5rem}.settings-section:last-child{margin-bottom:0}.settings-section-title{border-bottom:2px solid #2563eb;border-bottom:2px solid var(--primary-color,#2563eb);color:#fff;color:var(--text-primary,#fff);font-size:1.2rem;font-weight:600;margin:0 0 1.5rem;padding-bottom:.5rem;position:relative}.settings-section-title:after{background:linear-gradient(90deg,#2563eb,#0000);background:linear-gradient(90deg,var(--primary-color,#2563eb),#0000);bottom:-2px;content:"";height:2px;left:0;position:absolute;width:30px}.settings-group{margin-bottom:1.5rem}.settings-group:last-child{margin-bottom:0}.settings-label{color:#fff;color:var(--text-primary,#fff);display:block;font-size:1rem;font-weight:500;margin-bottom:.75rem}.settings-toggle-group{display:flex;flex-wrap:wrap;gap:.5rem}.settings-toggle-btn{align-items:center;background:#404040;background:var(--button-bg,#404040);border:1px solid #505050;border:1px solid var(--border-color,#505050);border-radius:.75rem;color:#a0a0a0;color:var(--text-secondary,#a0a0a0);cursor:pointer;display:flex;font-size:.9rem;font-weight:500;gap:.5rem;justify-content:center;min-width:90px;padding:.75rem 1.25rem;transition:all .2s ease}.settings-toggle-btn:hover{background:#505050;background:var(--hover-bg,#505050);transform:translateY(-1px)}.settings-toggle-btn.active,.settings-toggle-btn:hover{border-color:#2563eb;border-color:var(--primary-color,#2563eb)}.settings-toggle-btn.active{background:#2563eb;background:var(--primary-color,#2563eb);box-shadow:0 4px 12px #2563eb4d;color:#fff}.settings-checkbox-group{display:flex;flex-direction:column;gap:.75rem}.settings-checkbox{align-items:center;border:1px solid #0000;border-radius:.75rem;cursor:pointer;display:flex;padding:.75rem;transition:all .2s ease}.settings-checkbox:hover{background:#404040;background:var(--hover-bg,#404040);border-color:#505050;border-color:var(--border-color,#505050)}.settings-checkbox input[type=checkbox]{accent-color:#2563eb;accent-color:var(--primary-color,#2563eb);cursor:pointer;height:1.2rem;margin-right:.75rem;width:1.2rem}.settings-checkbox-label{color:#fff;color:var(--text-primary,#fff);cursor:pointer;flex:1 1;font-size:.95rem;font-weight:400}.settings-actions{border-top:1px solid #404040;border-top:1px solid var(--border-color,#404040);display:flex;gap:1rem;justify-content:flex-end;padding-top:1rem}.settings-btn{border:none;border-radius:.75rem;cursor:pointer;font-size:.95rem;font-weight:500;min-width:120px;padding:.75rem 1.5rem;transition:all .2s ease}.settings-btn-primary{background:#2563eb;background:var(--primary-color,#2563eb);color:#fff}.settings-btn-primary:hover{background:#1d4ed8;background:var(--primary-hover,#1d4ed8);box-shadow:0 4px 12px #2563eb4d;transform:translateY(-1px)}.settings-btn-secondary{background:#404040;background:var(--button-bg,#404040);border:1px solid #505050;border:1px solid var(--border-color,#505050);color:#a0a0a0;color:var(--text-secondary,#a0a0a0)}.settings-btn-secondary:hover{background:#505050;background:var(--hover-bg,#505050);color:#fff;color:var(--text-primary,#fff);transform:translateY(-1px)}@keyframes settings-modal-fade-in{0%{opacity:0}to{opacity:1}}@keyframes settings-modal-slide-in{0%{opacity:0;transform:scale(.95) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}@media (max-width:768px){.settings-modal{margin:1rem;max-width:95vw}.settings-modal-header{padding:1.25rem 1.5rem}.settings-modal-content{padding:1.5rem}.settings-toggle-group{flex-direction:column}.settings-toggle-btn{justify-content:center;width:100%}.settings-actions{flex-direction:column}.settings-btn{width:100%}}@media (max-width:480px){.settings-modal{border-radius:1rem}.settings-modal-header{padding:1rem 1.25rem}.settings-modal-content{padding:1.25rem}.settings-section-title{font-size:1.1rem}.settings-label{font-size:.95rem}.settings-toggle-btn{font-size:.85rem;padding:.625rem 1rem}.settings-checkbox-label{font-size:.9rem}}@media (prefers-reduced-motion:reduce){.settings-btn,.settings-checkbox,.settings-modal,.settings-modal-overlay,.settings-toggle-btn{animation:none;transition:none}}.settings-btn:focus,.settings-checkbox:focus-within,.settings-toggle-btn:focus{outline:2px solid #2563eb;outline:2px solid var(--primary-color,#2563eb);outline-offset:2px}@media (prefers-contrast:high){.settings-modal{border:2px solid #fff;border:2px solid var(--text-primary,#fff)}.settings-toggle-btn{border-width:2px}.settings-checkbox{border:1px solid #fff;border:1px solid var(--text-primary,#fff)}}body.theme-light{--navbar-bg:#fffffff2;--navbar-bg-scrolled:#f8fafcfa;--navbar-text:#1e293b;--navbar-border:#e2e8f0cc;--navbar-shadow:0 1px 3px 0 #00000014,0 1px 2px 0 #0000000a;--navbar-shadow-scrolled:0 8px 32px #00000014,0 4px 16px #0000000a;--navbar-link-hover:#f1f5f9cc;--navbar-active:#3b82f6;--navbar-mobile-bg:#fffffffa;--navbar-overlay:#00000026;--navbar-btn-bg:#f1f5f9cc;--navbar-btn-hover:#e2e8f0e6;--navbar-skip-bg:#3b82f6;--navbar-skip-text:#fff;--navbar-glow:#3b82f61a}body.theme-dark{--navbar-bg:#0f172af2;--navbar-bg-scrolled:#1e293bfa;--navbar-text:#f1f5f9;--navbar-border:#334155cc;--navbar-shadow:0 1px 3px 0 #0000004d,0 1px 2px 0 #0003;--navbar-shadow-scrolled:0 8px 32px #0000004d,0 4px 16px #0003;--navbar-link-hover:#1e293bcc;--navbar-active:#60a5fa;--navbar-mobile-bg:#0f172afa;--navbar-overlay:#0009;--navbar-btn-bg:#1e293bcc;--navbar-btn-hover:#334155e6;--navbar-skip-bg:#3b82f6;--navbar-skip-text:#fff;--navbar-glow:#60a5fa1a}.cz-navbar{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--navbar-bg);border-bottom:1px solid var(--navbar-border);box-shadow:var(--navbar-shadow);color:var(--navbar-text);position:-webkit-sticky;position:sticky;top:0;transition:all .4s cubic-bezier(.25,.46,.45,.94);width:100%;z-index:1000}.cz-navbar-scrolled{background:var(--navbar-bg-scrolled);border-bottom-color:var(--navbar-border);box-shadow:var(--navbar-shadow-scrolled)}.cz-navbar-container{align-items:center;display:flex;height:80px;justify-content:space-between;margin:0 auto;max-width:1400px;padding:0 2rem}.cz-navbar-logo{align-items:center;border-radius:16px;color:var(--navbar-text);display:flex;font-size:1.6rem;font-weight:800;gap:1rem;letter-spacing:-.02em;overflow:hidden;padding:.75rem;position:relative;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-navbar-logo:before{background:var(--navbar-link-hover);bottom:0;content:"";left:0;position:absolute;right:0;top:0;transform:translateX(-100%);transition:transform .4s cubic-bezier(.25,.46,.45,.94);z-index:-1}.cz-navbar-logo:hover:before{transform:translateX(0)}.cz-navbar-logo:hover{box-shadow:0 8px 25px var(--navbar-glow);color:var(--navbar-active);transform:translateY(-2px)}.cz-logo-icon{filter:drop-shadow(0 4px 8px rgba(0,0,0,.15))}.cz-navbar-logo:hover .cz-logo-icon{filter:drop-shadow(0 8px 16px rgba(0,0,0,.25));transform:scale(1.15) rotate(5deg)}.cz-logo-text{background:linear-gradient(135deg,var(--navbar-active) 0,#8b5cf6 50%,#ec4899 100%);font-size:1.6rem}.cz-navbar-logo:hover .cz-logo-text{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#ec4899 0,var(--navbar-active) 50%,#8b5cf6 100%);-webkit-background-clip:text;background-clip:text}.cz-nav-link,.cz-navbar-nav{align-items:center;display:flex;gap:.75rem}.cz-nav-link{border-radius:16px;color:var(--navbar-text);font-size:1rem;font-weight:600;letter-spacing:.01em;overflow:hidden;padding:.875rem 1.25rem;position:relative;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-nav-link:before{background:var(--navbar-link-hover);bottom:0;content:"";left:0;position:absolute;right:0;top:0;transform:translateX(-100%);transition:transform .4s cubic-bezier(.25,.46,.45,.94);z-index:-1}.cz-nav-link-active:before,.cz-nav-link:hover:before{transform:translateX(0)}.cz-nav-link:focus,.cz-nav-link:hover{box-shadow:0 8px 25px var(--navbar-glow);color:var(--navbar-active);outline:none;transform:translateY(-2px)}.cz-nav-link-active{background:var(--navbar-link-hover);box-shadow:0 4px 20px var(--navbar-glow);color:var(--navbar-active);position:relative}.cz-nav-link-active:after{animation:activeUnderline .4s cubic-bezier(.25,.46,.45,.94) forwards;background:linear-gradient(90deg,var(--navbar-active),#8b5cf6);border-radius:2px;bottom:0;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:0}.cz-nav-icon{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));font-size:1.2rem;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-nav-link:hover .cz-nav-icon{filter:drop-shadow(0 4px 8px rgba(0,0,0,.2));transform:scale(1.15) rotate(5deg)}.cz-nav-label{font-weight:600;letter-spacing:.02em;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-navbar-right{align-items:center;display:flex;gap:1.5rem}.cz-mobile-menu-btn{align-items:center;background:var(--navbar-btn-bg);border:1px solid var(--navbar-border);border-radius:16px;cursor:pointer;display:none;flex-direction:column;height:52px;justify-content:center;overflow:hidden;position:relative;transition:all .4s cubic-bezier(.25,.46,.45,.94);width:52px;z-index:1101}.cz-mobile-menu-btn:before{background:var(--navbar-link-hover);bottom:0;content:"";left:0;position:absolute;right:0;top:0;transform:translateX(-100%);transition:transform .4s cubic-bezier(.25,.46,.45,.94);z-index:-1}.cz-mobile-menu-btn:hover:before{transform:translateX(0)}.cz-mobile-menu-btn:hover{background:var(--navbar-btn-hover);border-color:var(--navbar-active);box-shadow:0 8px 25px #00000026;transform:translateY(-2px)}.cz-hamburger-line{background:var(--navbar-text);border-radius:2px;height:3px;margin:2px 0;transform-origin:center;transition:all .4s cubic-bezier(.25,.46,.45,.94);width:26px}.cz-mobile-menu-btn-active .cz-hamburger-line:first-child{background:var(--navbar-active);transform:rotate(45deg) translate(6px,6px)}.cz-mobile-menu-btn-active .cz-hamburger-line:nth-child(2){opacity:0;transform:scale(0)}.cz-mobile-menu-btn-active .cz-hamburger-line:nth-child(3){background:var(--navbar-active);transform:rotate(-45deg) translate(6px,-6px)}.cz-mobile-menu{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:var(--navbar-overlay);bottom:0;left:0;opacity:0;position:fixed;right:0;top:0;transition:all .4s cubic-bezier(.25,.46,.45,.94);visibility:hidden;z-index:1100}.cz-mobile-menu-open{opacity:1;visibility:visible}.cz-mobile-menu-content{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--navbar-mobile-bg);border-left:1px solid var(--navbar-border);box-shadow:-8px 0 32px #0000001a;display:flex;flex-direction:column;gap:1rem;height:100vh;overflow-y:auto;padding:6rem 2rem 2rem;position:absolute;right:0;top:0;transform:translateX(100%);transition:transform .4s cubic-bezier(.25,.46,.45,.94);width:320px}.cz-mobile-menu-open .cz-mobile-menu-content{transform:translateX(0)}.cz-mobile-nav-link{align-items:center;border-radius:16px;color:var(--navbar-text);display:flex;font-size:1.1rem;font-weight:600;gap:1rem;letter-spacing:.01em;overflow:hidden;padding:1rem 1.5rem;position:relative;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-mobile-nav-link:before{background:var(--navbar-link-hover);bottom:0;content:"";left:0;position:absolute;right:0;top:0;transform:translateX(-100%);transition:transform .4s cubic-bezier(.25,.46,.45,.94);z-index:-1}.cz-mobile-nav-link-active:before,.cz-mobile-nav-link:hover:before{transform:translateX(0)}.cz-mobile-nav-link:focus,.cz-mobile-nav-link:hover{box-shadow:0 4px 20px var(--navbar-glow);color:var(--navbar-active);outline:none;transform:translateX(8px)}.cz-mobile-nav-link-active{background:var(--navbar-link-hover);box-shadow:0 4px 20px var(--navbar-glow);color:var(--navbar-active)}.cz-mobile-nav-icon{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));font-size:1.3rem;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-mobile-nav-link:hover .cz-mobile-nav-icon{filter:drop-shadow(0 4px 8px rgba(0,0,0,.2));transform:scale(1.15) rotate(5deg)}.cz-mobile-nav-label{font-weight:600;letter-spacing:.02em;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-mobile-stats{grid-gap:1rem;border-top:1px solid var(--navbar-border);display:grid;gap:1rem;grid-template-columns:repeat(2,1fr);margin-top:2rem;padding-top:2rem}.cz-mobile-stat-item{background:var(--navbar-link-hover);border-radius:12px;padding:1rem;text-align:center;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-mobile-stat-item:hover{box-shadow:0 8px 25px var(--navbar-glow);transform:translateY(-2px)}.cz-mobile-stat-number{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,var(--navbar-active),#8b5cf6);-webkit-background-clip:text;background-clip:text;color:var(--navbar-active);font-size:1.5rem;font-weight:900;margin-bottom:.25rem}.cz-mobile-stat-label{color:var(--navbar-text);font-size:.8rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.skip-to-content{background:var(--navbar-skip-bg);border-radius:8px;box-shadow:0 4px 20px #3b82f64d;color:var(--navbar-skip-text);left:50%;padding:.75rem 1.5rem;top:-100px;transform:translateX(-50%);transition:all .3s cubic-bezier(.25,.46,.45,.94);z-index:10000}.skip-to-content:focus{top:20px;transform:translateX(-50%)}@keyframes slideInMenu{0%{transform:translateX(100%)}to{transform:translateX(0)}}@keyframes activeUnderline{0%{width:0}to{width:60%}}@media (max-width:900px){.cz-navbar-container{padding:0 1.5rem}.cz-nav-link,.cz-navbar-nav{display:none}.cz-mobile-menu-btn{display:flex}}@media (max-width:700px){.cz-navbar-container{height:70px;padding:0 1rem}.cz-navbar-logo{font-size:1.4rem;gap:.75rem}.cz-logo-icon{font-size:2rem}.cz-logo-text{font-size:1.4rem}.cz-mobile-menu-btn{height:48px;width:48px}.cz-hamburger-line{height:2px;width:24px}}@media (max-width:400px){.cz-mobile-menu-open{width:100%}.cz-mobile-menu-content{padding:5rem 1.5rem 2rem;width:100%}.cz-mobile-stats{grid-template-columns:1fr}.cz-mobile-stat-item{padding:.75rem}}@media (prefers-reduced-motion:reduce){.cz-mobile-menu-btn,.cz-mobile-nav-link,.cz-nav-link,.cz-navbar,.cz-navbar-logo{transition:none}.cz-mobile-nav-link:hover,.cz-nav-link:hover{transform:none}.cz-hamburger-line{transition:none}}@media (prefers-contrast:high){.cz-navbar{border-bottom-width:2px}.cz-mobile-nav-link,.cz-nav-link{border:1px solid #0000}.cz-mobile-nav-link-active,.cz-mobile-nav-link:hover,.cz-nav-link-active,.cz-nav-link:hover{border-color:var(--navbar-active)}.cz-mobile-menu-btn{border-width:2px}}@media print{.cz-navbar{background:#fff!important;border-bottom:1px solid #ccc!important;box-shadow:none!important;color:#000!important;position:static}.cz-mobile-menu,.cz-mobile-menu-btn{display:none!important}}.dropdown{display:inline-block;position:relative}.dropdown-toggle{align-items:center;background:none;border:none;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-size:16px;gap:8px;padding:12px 16px;transition:all .3s ease}.dropdown-toggle:hover{background:#7fa7ff1a;color:#7fa7ff}.dropdown-arrow{font-size:12px;margin-left:4px}.dropdown-menu{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#23263a;border:1px solid #7fa7ff33;border-radius:12px;box-shadow:0 8px 32px #0000004d;left:0;min-width:200px;opacity:0;position:absolute;top:100%;transform:translateY(-10px);transition:all .3s ease;visibility:hidden;z-index:1000}.dropdown-menu.show{opacity:1;transform:translateY(0);visibility:visible}.dropdown-item{align-items:center;border-bottom:1px solid #7fa7ff1a;color:#fff;display:flex;gap:12px;padding:12px 16px;text-decoration:none;transition:all .2s ease}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover{background:#7fa7ff1a;color:#7fa7ff;transform:translateX(4px)}.dropdown-icon{font-size:16px;text-align:center;width:20px}.dropdown-label{font-weight:500}.mobile-dropdown{border-top:1px solid #7fa7ff33;margin-top:8px;padding-top:8px}.mobile-dropdown-toggle{align-items:center;background:none;border:none;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-size:16px;justify-content:space-between;padding:12px 16px;transition:all .3s ease;width:100%}.mobile-dropdown-toggle:hover{background:#7fa7ff1a;color:#7fa7ff}.mobile-dropdown-menu{background:#23263a80;border-radius:8px;margin:0 16px 8px;max-height:0;overflow:hidden;transition:max-height .3s ease}.mobile-dropdown-menu.show{max-height:300px}.mobile-dropdown-item{align-items:center;border-bottom:1px solid #7fa7ff1a;color:#fff;display:flex;gap:12px;padding:12px 16px;text-decoration:none;transition:all .2s ease}.mobile-dropdown-item:last-child{border-bottom:none}.mobile-dropdown-item:hover{background:#7fa7ff1a;color:#7fa7ff}.dropdown-arrow.rotate{transform:rotate(180deg)}@media (max-width:768px){.dropdown-menu{background:#0000;border:none;box-shadow:none;opacity:1;position:static;transform:none;visibility:visible}.dropdown-menu.show{transform:none}.dropdown-item{font-size:14px;padding:8px 16px}.dropdown-item:hover{transform:none}}.cz-footer{background:linear-gradient(135deg,#0f172a,#1e293b 30%,#334155 70%,#475569);color:#f8fafc;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden;position:relative}.cz-footer:before{animation:footerPattern 20s ease-in-out infinite;background-image:radial-gradient(circle at 20% 20%,#3b82f614 0,#0000 50%),radial-gradient(circle at 80% 80%,#ec489914 0,#0000 50%),radial-gradient(circle at 40% 60%,#22c55e0d 0,#0000 50%);bottom:0;content:"";left:0;pointer-events:none;position:absolute;right:0;top:0}.cz-footer-container{margin:0 auto;max-width:1400px;padding:0 2rem;position:relative;z-index:1}.cz-footer-content{grid-gap:4rem;align-items:start;display:grid;gap:4rem;grid-template-columns:2.5fr 1fr 1fr 1fr;padding:5rem 0 3rem}.cz-footer-brand{grid-column:1}.cz-footer-logo{align-items:center;display:flex;gap:1rem;margin-bottom:2rem;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-footer-logo:hover{transform:translateY(-2px)}.cz-logo-icon{color:#3b82f6;filter:drop-shadow(0 4px 12px rgba(59,130,246,.4));font-size:2.5rem;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-footer-logo:hover .cz-logo-icon{filter:drop-shadow(0 8px 20px rgba(59,130,246,.6));transform:scale(1.1) rotate(5deg)}.cz-logo-text{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#3b82f6,#8b5cf6 50%,#ec4899);-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:900;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-footer-logo:hover .cz-logo-text{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#ec4899,#3b82f6 50%,#8b5cf6);-webkit-background-clip:text;background-clip:text}.cz-footer-tagline{color:#cbd5e1;font-size:1.2rem;font-weight:400;line-height:1.7;margin-bottom:2.5rem;max-width:450px}.cz-footer-social{display:flex;gap:1.25rem}.cz-social-link{align-items:center;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);background:#ffffff14;border:1px solid #ffffff26;border-radius:16px;color:#cbd5e1;display:flex;font-size:1.3rem;height:52px;justify-content:center;overflow:hidden;position:relative;transition:all .4s cubic-bezier(.25,.46,.45,.94);width:52px}.cz-social-link:before{background:linear-gradient(135deg,#3b82f6,#8b5cf6);bottom:0;content:"";left:0;opacity:0;position:absolute;right:0;top:0;transition:opacity .4s cubic-bezier(.25,.46,.45,.94);z-index:-1}.cz-social-link:hover{background:#ffffff1f;border-color:#ffffff40;box-shadow:0 12px 35px #00000040;color:#f8fafc;transform:translateY(-4px) scale(1.05)}.cz-social-link:hover:before{opacity:.2}.cz-footer-links{display:flex;flex-direction:column}.cz-footer-section-title{color:#f8fafc;font-size:1.2rem;font-weight:800;letter-spacing:.02em;margin-bottom:2rem;padding-bottom:1rem;position:relative}.cz-footer-section-title:after{background:linear-gradient(90deg,#3b82f6,#8b5cf6 50%,#ec4899);border-radius:2px;bottom:0;content:"";height:4px;left:0;position:absolute;transition:width .4s cubic-bezier(.25,.46,.45,.94);width:40px}.cz-footer-links:hover .cz-footer-section-title:after{width:60px}.cz-footer-links-list{display:flex;flex-direction:column;gap:1rem;list-style:none;margin:0;padding:0}.cz-footer-link{align-items:center;border-radius:8px;color:#cbd5e1;display:flex;font-size:1rem;font-weight:500;gap:.75rem;padding:.75rem 0;position:relative;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-footer-link:before{background:linear-gradient(90deg,#3b82f6,#8b5cf6);border-radius:1px;content:"";height:2px;left:0;position:absolute;top:50%;transform:translateY(-50%);transition:width .4s cubic-bezier(.25,.46,.45,.94);width:0}.cz-footer-link:hover{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:#ffffff0d;color:#f8fafc;padding-left:1.5rem}.cz-footer-link:hover:before{width:1rem}.cz-link-icon{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));font-size:1.1rem;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-footer-link:hover .cz-link-icon{filter:drop-shadow(0 4px 8px rgba(0,0,0,.2));transform:scale(1.15) rotate(5deg)}.cz-contact-info,.cz-footer-info{display:flex;flex-direction:column}.cz-contact-info{gap:1rem;margin-bottom:2.5rem}.cz-contact-item{align-items:center;background:#ffffff08;border:1px solid #ffffff0d;border-radius:12px;color:#cbd5e1;display:flex;font-size:1rem;font-weight:500;gap:.75rem;padding:.75rem 1rem;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-contact-item:hover{background:#ffffff14;border-color:#ffffff1a;box-shadow:0 8px 25px #00000026;transform:translateX(8px)}.cz-contact-icon{color:#3b82f6;filter:drop-shadow(0 2px 4px rgba(59,130,246,.3));font-size:1.2rem;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-contact-item:hover .cz-contact-icon{filter:drop-shadow(0 4px 8px rgba(59,130,246,.5));transform:scale(1.15)}.cz-footer-stats{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(2,1fr);margin-top:2rem}.cz-stat-item{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;padding:1.5rem;text-align:center;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-stat-item:hover{background:#ffffff14;border-color:#fff3;box-shadow:0 12px 35px #0003;transform:translateY(-4px)}.cz-stat-number{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;background-clip:text;color:#3b82f6;filter:drop-shadow(0 2px 4px rgba(59,130,246,.3));font-size:2rem;font-weight:900;margin-bottom:.5rem}.cz-stat-label{color:#cbd5e1;font-size:.9rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.cz-footer-bottom{border-top:1px solid #ffffff1a;margin-top:3rem;padding:2rem 0;position:relative}.cz-footer-bottom:before{background:linear-gradient(90deg,#0000,#3b82f64d 50%,#0000);content:"";height:1px;left:0;position:absolute;right:0;top:0}.cz-footer-bottom-content{align-items:center;display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between}.cz-copyright{color:#94a3b8;font-size:.95rem;font-weight:500}.cz-footer-bottom-links{display:flex;flex-wrap:wrap;gap:2rem}.cz-footer-bottom-link{color:#cbd5e1;font-size:.9rem;font-weight:500;padding:.5rem 0;position:relative;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-footer-bottom-link:after{background:linear-gradient(90deg,#3b82f6,#8b5cf6);border-radius:1px;bottom:0;content:"";height:2px;left:0;position:absolute;transition:width .4s cubic-bezier(.25,.46,.45,.94);width:0}.cz-footer-bottom-link:hover{color:#f8fafc}.cz-footer-bottom-link:hover:after{width:100%}.cz-back-to-top{align-items:center;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border:none;border-radius:50%;bottom:2rem;box-shadow:0 8px 25px #3b82f64d;color:#fff;cursor:pointer;display:flex;font-size:1.5rem;height:56px;justify-content:center;opacity:0;position:fixed;right:2rem;transform:translateY(20px);transition:all .4s cubic-bezier(.25,.46,.45,.94);visibility:hidden;width:56px;z-index:1000}.cz-back-to-top.visible{opacity:1;transform:translateY(0);visibility:visible}.cz-back-to-top:hover{background:linear-gradient(135deg,#8b5cf6,#ec4899);box-shadow:0 12px 35px #3b82f666;transform:translateY(-4px) scale(1.05)}.cz-back-to-top-icon{filter:drop-shadow(0 2px 4px rgba(0,0,0,.2));transition:transform .4s cubic-bezier(.25,.46,.45,.94)}.cz-back-to-top:hover .cz-back-to-top-icon{transform:translateY(-2px)}@keyframes footerPattern{0%,to{opacity:.8;transform:translate(0) rotate(0deg)}25%{opacity:1;transform:translate(-10px,-10px) rotate(1deg)}50%{opacity:.9;transform:translate(10px,-5px) rotate(-1deg)}75%{opacity:1;transform:translate(-5px,10px) rotate(.5deg)}}@media (max-width:1024px){.cz-footer-content{gap:3rem;grid-template-columns:2fr 1fr 1fr}.cz-footer-brand{grid-column:1/-1;text-align:center}.cz-footer-tagline{margin:0 auto 2rem}.cz-footer-social{justify-content:center}}@media (max-width:768px){.cz-footer-content{gap:3rem;grid-template-columns:1fr;text-align:center}.cz-footer-brand{grid-column:1}.cz-footer-social{justify-content:center}.cz-footer-bottom-content{flex-direction:column;gap:1.5rem;text-align:center}.cz-footer-bottom-links{justify-content:center}.cz-back-to-top{bottom:1.5rem;font-size:1.3rem;height:48px;right:1.5rem;width:48px}}@media (max-width:480px){.cz-footer-content{padding:3rem 0 2rem}.cz-footer-container{padding:0 1.5rem}.cz-footer-logo{gap:.75rem}.cz-logo-text{font-size:1.75rem}.cz-footer-section-title,.cz-footer-tagline{font-size:1.1rem}.cz-footer-section-title:after{height:3px;width:30px}.cz-footer-link{font-size:.95rem}.cz-back-to-top{bottom:1rem;font-size:1.2rem;height:44px;right:1rem;width:44px}}@media (prefers-reduced-motion:reduce){.cz-back-to-top,.cz-contact-item,.cz-footer-bottom-link,.cz-footer-link,.cz-footer-logo,.cz-footer:before,.cz-social-link,.cz-stat-item{animation:none;transition:none}.cz-back-to-top:hover,.cz-contact-item:hover,.cz-footer-link:hover,.cz-stat-item:hover{transform:none}}@media (prefers-contrast:high){.cz-footer{background:#0f172a;border-top:2px solid #3b82f6}.cz-footer-bottom-link,.cz-footer-link{border:1px solid #0000}.cz-footer-bottom-link:hover,.cz-footer-link:hover{background:#3b82f61a;border-color:#3b82f6}.cz-contact-item,.cz-social-link,.cz-stat-item{border-width:2px}}@media print{.cz-back-to-top{display:none!important}.cz-footer{background:#fff!important;border-top:1px solid #ccc!important}.cz-footer,.cz-footer-bottom-link,.cz-footer-link{color:#000!important}.cz-footer-bottom-link:hover,.cz-footer-link:hover{background:none!important;transform:none!important}}.cz-footer-modern{align-items:flex-start;display:flex;flex-direction:row;gap:4rem;justify-content:space-between;padding:4rem 0 2.5rem}.cz-footer-modern-brand{flex:1.2 1;margin-right:2.5rem;min-width:220px}.cz-footer-modern-tagline{color:#cbd5e1;font-size:1.13rem;font-weight:400;line-height:1.6;margin-bottom:2.2rem}.cz-footer-modern-social{gap:1.2rem;margin-top:1.2rem}.cz-footer-modern-links{display:flex;flex:1 1;flex-direction:row;gap:3.5rem;justify-content:flex-end;min-width:220px}.cz-footer-links-group{min-width:120px}.cz-footer-modern-bottom{background:none;border-top:1.5px solid #232a2e;margin-top:2.5rem;padding:1.2rem 0 .5rem}.cz-footer-modern-bottom-content{align-items:center;color:#b3b8d0;display:flex;font-size:1.01rem;font-weight:500;gap:1.2rem;justify-content:center}.cz-footer-bottom-sep{color:#3b82f6;font-size:1.2rem;margin:0 .5rem}.cz-footer-built{color:#7fa7ff;font-size:1.01rem;font-weight:500}.cz-footer-modern-backtotop{background:#232a2e;border:1.5px solid #232a2e;border-radius:50%;bottom:2.5rem;box-shadow:0 2px 12px #232a2e33;color:#7fa7ff;font-size:1.5rem;height:44px;opacity:.85;right:2.5rem;transition:all .18s;width:44px}.cz-footer-modern-backtotop:hover{background:#3b82f6;border-color:#3b82f6;color:#fff;opacity:1}@media (max-width:900px){.cz-footer-modern{flex-direction:column;gap:2.5rem;padding:2.5rem 0 1.5rem}.cz-footer-modern-links{align-items:flex-start;flex-direction:column;gap:2rem;min-width:0}.cz-footer-modern-brand{margin-bottom:1.5rem;margin-right:0}.cz-footer-modern-bottom-content{flex-direction:column;font-size:.98rem;gap:.5rem}.cz-footer-modern-backtotop{bottom:1.2rem;font-size:1.2rem;height:40px;right:1.2rem;width:40px}}.cz-home{background:#181c24;color:#f3f4f6;min-height:100vh;padding-left:0;padding-right:0}.cz-container{margin:0 auto;max-width:1200px;padding:0 1.5rem}.cz-hero{align-items:center;background:#23263a;border-bottom:1px solid #23263a;border-radius:0;box-shadow:none;display:flex;justify-content:center;margin:0;padding:3rem 0 2rem;width:100%}.cz-hero-animated-border,.cz-hero-background,.cz-hero-particles,.cz-hero-pattern{display:none!important}.cz-hero-content{display:flex;flex-direction:row;gap:3rem;justify-content:space-between;max-width:1100px;width:100%}.cz-hero-left{flex:1 1;gap:1.5rem}.cz-hero-badge{background:#23263a;border:1px solid #31344a;border-radius:20px;color:#f3f4f6;font-size:1rem;margin-bottom:.5rem;padding:.5rem 1.2rem}.cz-hero-title{color:#f3f4f6;font-size:2.5rem;font-weight:800}.cz-hero-highlight{-webkit-text-fill-color:unset;background:none;-webkit-background-clip:unset;color:#7fa7ff}.cz-hero-subtitle{color:#b3b8d0;font-size:1.1rem;font-weight:400;margin:0 0 1rem}.cz-hero-actions{margin-bottom:1rem}.cz-hero-btn{background:#31344a;border:none;border-radius:8px;box-shadow:none;color:#f3f4f6;cursor:pointer;font-size:1rem;font-weight:600;padding:.9rem 2rem;transition:background .2s,color .2s}.cz-hero-btn.secondary{background:#23263a;color:#b3b8d0}.cz-hero-btn:focus,.cz-hero-btn:hover{background:#3b5bdb;color:#fff}.cz-hero-btn.secondary:focus,.cz-hero-btn.secondary:hover{background:#31344a;color:#f3f4f6}.cz-hero-features{gap:1.2rem;margin-top:.5rem}.cz-feature{background:#23263a;border:1px solid #31344a;border-radius:12px;color:#7fa7ff;font-size:1rem;padding:.3rem .9rem}.cz-hero-right{flex:1 1}.cz-hero-visual{background:#181c24;border-radius:22px;box-shadow:0 8px 40px 0 #10121a;height:420px;width:420px}.cz-chess-board,.cz-hero-visual{align-items:center;display:flex;justify-content:center}.cz-chess-board{background:#23263a;border:3px solid #7fa7ff;border-radius:18px;height:370px;overflow:hidden;width:370px}.cz-board-glow,.cz-board-pieces,.cz-piece{display:none}.cz-chess-img{border-radius:18px;box-shadow:0 4px 18px 0 #10121a;height:100%;object-fit:cover;width:100%}.cz-section-heading{color:#7fa7ff;display:block;font-size:1.5rem;font-weight:700;margin-bottom:1.2rem}.accent-bar{display:none}.cz-section-alt,.cz-section-gradient{display:none!important}.cz-benefits-grid,.cz-features-grid,.cz-howitworks-grid,.cz-stats-grid{grid-gap:2.8rem 2.8rem;display:grid;gap:2.8rem 2.8rem;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));margin-bottom:3.5rem}.cz-benefit-card,.cz-feature-card,.cz-howitworks-card,.cz-stat-card{align-items:flex-start;background:#262a3f;border:2.5px solid #31344a;border-radius:26px;box-shadow:0 10px 48px 0 #10121a;display:flex;flex-direction:column;font-size:1.18rem;font-weight:500;justify-content:flex-start;letter-spacing:.01em;margin-bottom:1.5rem;min-height:210px;min-width:0;overflow:hidden;padding:2.4rem 2.1rem 2.1rem;position:relative;transition:box-shadow .22s,border .22s,transform .22s;will-change:transform,opacity}.cz-benefit-card:before,.cz-feature-card:before,.cz-howitworks-card:before,.cz-stat-card:before{background:linear-gradient(180deg,#7fa7ff,#43e97b);border-radius:7px 0 0 7px;bottom:0;content:"";display:block;left:0;opacity:.85;position:absolute;top:0;width:7px}.cz-benefit-card:hover,.cz-feature-card:hover,.cz-howitworks-card:hover,.cz-stat-card:hover{border:2.5px solid #43e97b;box-shadow:0 16px 56px 0 #1a1d2b,0 0 0 2px #7fa7ff;transform:translateY(-12px) scale(1.06);z-index:2}.cz-benefit-icon,.cz-feature-header,.cz-stat-icon,.cz-step-header{font-size:1.45rem;margin-bottom:1.3rem}.cz-benefit-title,.cz-feature-title,.cz-howitworks-title,.cz-stat-number{color:#e3e7fa;font-size:1.32rem;font-weight:700;margin-bottom:.7rem}.cz-benefit-desc,.cz-feature-desc,.cz-howitworks-desc,.cz-stat-label{color:#b3b8d0;font-size:1.13rem;margin-bottom:.2rem}.cz-badge-icon,.cz-benefit-icon,.cz-feature-icon,.cz-stat-icon,.cz-step-icon{animation:none!important;background:none;color:#7fa7ff;filter:none;font-size:1.5rem}.cz-card-tip{display:none}.cz-animate-fadeinup,.cz-section-fadein{animation:fadeInUpBasic .7s cubic-bezier(.22,1.61,.36,1) forwards;opacity:0;transform:translateY(24px)}@keyframes fadeInUpBasic{to{opacity:1;transform:none}}@media (max-width:1200px){.cz-hero-visual{height:320px;width:320px}.cz-chess-board{height:270px;width:270px}}@media (max-width:900px){.cz-hero-content{align-items:flex-start;flex-direction:column;gap:2rem}.cz-hero-right{justify-content:flex-start;width:100%}.cz-hero-visual{height:220px;width:220px}.cz-chess-board{height:160px;width:160px}.cz-benefits-grid,.cz-features-grid,.cz-howitworks-grid,.cz-stats-grid{gap:1.5rem;grid-template-columns:1fr}}@media (max-width:600px){.cz-hero{padding:1.5rem 0 1rem}.cz-hero-title{font-size:1.5rem}.cz-container{padding:0 .5rem}.cz-hero-visual{height:140px;width:140px}.cz-chess-board{height:90px;width:90px}}.cz-resource-card{background:#1e2233!important;border:2.5px solid #43e97b!important;box-shadow:0 12px 48px 0 #0e1a1a;margin-bottom:.5rem;margin-top:.5rem}.cz-resource-badge{background:linear-gradient(90deg,#43e97b,#38f9d7);border-radius:8px;color:#181c24;display:inline-block;font-size:.98rem;font-weight:700;letter-spacing:.03em;margin-bottom:.1rem;margin-right:.7rem;padding:.25rem .8rem}.cz-download-btn{align-items:center;background:#43e97b;border:none;border-radius:8px;box-shadow:0 2px 12px 0 #43e97b44;color:#181c24;cursor:pointer;display:inline-flex;font-size:1.08rem;font-weight:700;gap:.5rem;margin-top:1.2rem;padding:.7rem 1.4rem;text-decoration:none;transition:background .18s,color .18s,box-shadow .18s}.cz-download-btn:focus,.cz-download-btn:hover{background:#38f9d7;box-shadow:0 4px 24px 0 #43e97b88;color:#181c24}.cz-step-header{align-items:center;display:flex;gap:.7rem;justify-content:flex-start;margin-bottom:1.2rem}.cz-step-number{background:#232a2e;border:2px solid #7fa7ff;box-shadow:0 2px 8px #43e97b14;color:#7fa7ff;font-size:1.15rem;height:2.2rem;margin:0 .5rem 0 0;position:static!important;width:2.2rem;z-index:1}.cz-howitworks-card{align-items:flex-start;background:#23263a!important;border:2px solid #232a2e!important;border-radius:20px!important;box-shadow:0 4px 24px 0 #10121a!important;display:flex;flex-direction:column;justify-content:flex-start;min-height:180px;overflow:visible;padding:2rem 1.5rem 1.5rem!important}.cz-howitworks-card:hover{border:2px solid #43e97b!important;box-shadow:0 8px 32px 0 #232a2e,0 0 0 2px #7fa7ff;transform:translateY(-6px) scale(1.03);z-index:2}.dashboard-modern{margin:0 auto;max-width:1200px;min-height:100vh;padding:32px 24px}.welcome-header{margin-bottom:32px}.welcome-header h1{-webkit-text-fill-color:#0000;animation:gradientShift 3s ease-in-out infinite;background:linear-gradient(135deg,#7fa7ff,#43e97b);-webkit-background-clip:text;background-clip:text}.stat-card{transition:all .4s cubic-bezier(.25,.46,.45,.94)}.stat-card:before{transition:left .6s ease}.progress-section{position:relative}.progress-section .progress-bar{overflow:hidden;position:relative}.progress-section .progress-bar:after{animation:shimmer 2s infinite;background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:0;position:absolute;top:0;width:100%}.quick-actions{margin-bottom:32px}.quick-actions a{overflow:hidden;position:relative;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.quick-actions a:before{background:#ffffff1a;border-radius:50%;content:"";height:0;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);transition:all .6s ease;width:0}.quick-actions a:hover:before{height:300px;width:300px}.quick-actions a:hover{box-shadow:0 12px 24px #0003;transform:translateY(-4px)}.recent-activity{margin-bottom:32px}.recent-activity .activity-item{overflow:hidden;position:relative;transition:all .3s ease}.recent-activity .activity-item:before{background:#7fa7ff;background:var(--activity-color,#7fa7ff);content:"";height:100%;left:0;position:absolute;top:0;transform:scaleY(0);transition:transform .3s ease;width:4px}.recent-activity .activity-item:hover:before{transform:scaleY(1)}.recent-activity .activity-item:hover{box-shadow:0 8px 24px #00000026;transform:translateX(8px)}.achievements{margin-bottom:32px}.achievements .achievement-badge{overflow:hidden;position:relative;transition:all .3s ease}.achievements .achievement-badge:before{animation:rotate 3s linear infinite;background:conic-gradient(from 0deg,#0000,#43e97b4d,#0000);content:"";height:200%;left:-50%;opacity:0;position:absolute;top:-50%;transition:opacity .3s ease;width:200%}.achievements .achievement-badge:hover:before{opacity:1}@keyframes rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.achievements .achievement-badge:hover{box-shadow:0 8px 16px #43e97b4d;transform:scale(1.05)}.tips{margin-bottom:32px}.tips .tip-content{overflow:hidden;position:relative}.tips .tip-content:before{animation:float 3s ease-in-out infinite;content:"💡";font-size:3rem;opacity:.1;position:absolute;right:-10px;top:-10px}.micro-bounce{transition:all .3s cubic-bezier(.25,.46,.45,.94)}.micro-bounce:hover{transform:scale(1.02)}.micro-bounce:active{transform:scale(.98)}.activity-type-lesson{--activity-color:#7fa7ff}.activity-type-puzzle{--activity-color:#43e97b}.activity-type-opening{--activity-color:#f093fb}.activity-type-endgame{--activity-color:#fa709a}@media (max-width:768px){.dashboard-modern{padding:24px 16px}.welcome-header h1{font-size:1.8rem}.stat-card{padding:1.2rem 1rem}.quick-actions a{padding:1rem 1.2rem}.recent-activity .activity-item{padding:1rem}}@media (max-width:480px){.dashboard-modern{padding:16px 12px}.welcome-header h1{font-size:1.5rem}.stat-card{padding:1rem .8rem}.quick-actions a{font-size:1rem;padding:.8rem 1rem}.achievements .achievement-badge{font-size:.8rem;padding:.5rem 1rem}}.dashboard-loading{align-items:center;display:flex;justify-content:center;min-height:400px}.loading-spinner{border:4px solid #232a2e;border-top-color:#43e97b}.empty-state{color:#b3b8d0;padding:48px 24px;text-align:center}.empty-state-icon{font-size:4rem;margin-bottom:16px;opacity:.5}.empty-state-title{color:#7fa7ff;font-size:1.5rem;font-weight:700;margin-bottom:8px}.empty-state-description{font-size:1rem;line-height:1.6;margin:0 auto;max-width:400px}.success-indicator{color:#43e97b;font-weight:600}.error-indicator{color:#fa709a;font-weight:600}.progress-indicator{color:#7fa7ff;font-weight:600}.interactive-element{cursor:pointer;transition:all .2s ease}.interactive-element:hover{transform:translateY(-2px)}.interactive-element:active{transform:translateY(0)}.activity-item:focus,.quick-actions a:focus,.stat-card:focus{outline:2px solid #43e97b;outline-offset:2px}@media print{.dashboard-modern{max-width:none;padding:0}.quick-actions,.tips{display:none}.stat-card{break-inside:avoid;page-break-inside:avoid}}.openings-card-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));margin-bottom:2rem}.openings-card-grid.list-view{grid-template-columns:1fr}.opening-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;cursor:pointer;overflow:hidden;padding:2rem;position:relative;transition:all .4s cubic-bezier(.4,0,.2,1)}.opening-card:before{background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);content:"";height:3px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.opening-card:hover:before{transform:scaleX(1)}.opening-card:hover{border-color:#fff3;box-shadow:0 20px 40px #00000026;transform:translateY(-8px) scale(1.02)}.opening-card.selected{border-color:#667eea;box-shadow:0 0 0 2px #667eea33}.opening-card-header{align-items:flex-start;display:flex;justify-content:space-between;margin-bottom:1.5rem}.opening-card-title-row{flex:1 1}.opening-card-name{color:var(--text-primary);font-size:1.5rem;font-weight:700;line-height:1.2;margin:0 0 .5rem}.opening-card-eco{background:#ffffff1a;border-radius:6px;color:var(--text-secondary);display:inline-block;font-size:.9rem;font-weight:600;padding:.25rem .75rem}.opening-card-difficulty{border-radius:20px;box-shadow:0 2px 8px #0000001a;color:#fff;font-size:.8rem;font-weight:600;letter-spacing:.5px;padding:.5rem 1rem;text-transform:uppercase}.opening-card-description{color:var(--text-secondary);font-size:1rem;line-height:1.6;margin-bottom:1.5rem}.opening-card-themes{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.opening-theme-chip{background:#667eea1a;border:1px solid #667eea33;border-radius:12px;color:#667eea;font-size:.8rem;font-weight:600;padding:.4rem .8rem;transition:all .2s ease}.opening-theme-chip:hover{background:#667eea33;transform:translateY(-1px)}.opening-card-variations{align-items:center;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;display:flex;gap:.5rem;padding:.75rem 1rem}.variations-label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.variations-count{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;font-size:.8rem;font-weight:700;min-width:24px;padding:.25rem .75rem;text-align:center}.opening-explorer-panel{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;box-shadow:0 20px 40px #0000001a;display:flex;flex-direction:column;gap:1.5rem;margin-top:2rem;min-width:320px;padding:2rem}.opening-explorer-header{align-items:center;color:var(--text-primary);display:flex;font-size:1.5rem;font-weight:700;gap:1rem;margin-bottom:.5rem}.opening-explorer-section{margin-bottom:1.5rem}.opening-explorer-moves{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;color:var(--text-primary);display:flex;flex-wrap:wrap;font-size:1rem;gap:.5rem;margin-bottom:1rem;padding:1rem}.opening-explorer-move{background:#10b9811a;border:1px solid #10b98133;border-radius:8px;color:#10b981;font-weight:600;padding:.5rem .75rem;transition:all .2s ease}.opening-explorer-move:hover{background:#10b98133;transform:translateY(-1px)}.opening-explorer-variation-list{display:flex;flex-direction:column;gap:.75rem}.opening-explorer-variation{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;color:var(--text-primary);cursor:pointer;font-size:1rem;font-weight:500;padding:1rem;transition:all .2s ease}.opening-explorer-variation:hover{background:#ffffff1a;border-color:#fff3;transform:translateY(-2px)}.opening-explorer-description{color:var(--text-secondary);font-size:1.1rem;line-height:1.6;margin-bottom:0}.opening-tabs{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;display:flex;gap:.5rem;margin-bottom:1.5rem;overflow-x:auto;padding:.5rem}.opening-tab{align-items:center;background:#0000;border:none;border-radius:12px;color:var(--text-secondary);cursor:pointer;display:flex;font-size:.9rem;font-weight:600;gap:.5rem;min-width:-webkit-fit-content;min-width:fit-content;padding:.75rem 1rem;transition:all .3s ease;white-space:nowrap}.opening-tab:hover{background:#ffffff1a;color:var(--text-primary);transform:translateY(-1px)}.opening-tab.active{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 4px 12px #667eea4d;color:#fff}.tab-icon{font-size:1.1rem}.opening-tab-content{min-height:400px}.opening-history-highlights{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;margin-top:1.5rem;padding:1.5rem}.opening-history-highlights h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.opening-history-highlights ul{list-style:none;padding:0}.opening-history-highlights li{color:var(--text-secondary);margin-bottom:.5rem;padding-left:1.5rem;position:relative}.opening-history-highlights li:before{color:#667eea;content:"•";font-weight:700;left:0;position:absolute}.strategy-ideas{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.strategy-idea{align-items:flex-start;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;display:flex;gap:1rem;padding:1rem;transition:all .2s ease}.strategy-idea:hover{background:#ffffff14;transform:translateY(-2px)}.idea-number{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;color:#fff;display:flex;flex-shrink:0;font-size:.9rem;font-weight:700;height:28px;justify-content:center;width:28px}.idea-text{color:var(--text-primary);font-size:1rem;line-height:1.5}.strategy-tips{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.strategy-tips h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.tips-grid{grid-gap:1rem;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.tip-item{align-items:center;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;display:flex;gap:.75rem;padding:.75rem}.tip-icon{font-size:1.2rem}.tip-item span:last-child{color:var(--text-primary);font-size:.9rem;font-weight:500}.traps-list{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.trap-item{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem;transition:all .2s ease}.trap-item:hover{background:#ffffff14;transform:translateY(-2px)}.trap-item h4{align-items:center;color:var(--text-primary);display:flex;font-size:1.1rem;gap:.5rem;margin-bottom:1rem}.trap-moves{background:#ef44441a;border:1px solid #ef444433;border-radius:8px;color:#ef4444;font-family:Courier New,monospace;font-size:.9rem;margin-bottom:1rem;padding:1rem;word-break:break-all}.trap-item p{color:var(--text-secondary);line-height:1.6;margin:0}.trap-warning{background:#ef44440d;border:1px solid #ef444433;border-radius:12px;padding:1.5rem}.trap-warning h4{color:#ef4444;font-size:1.1rem;margin-bottom:1rem}.trap-warning ul{list-style:none;padding:0}.trap-warning li{color:var(--text-secondary);margin-bottom:.5rem;padding-left:1.5rem;position:relative}.trap-warning li:before{content:"⚠️";left:0;position:absolute}.famous-games{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.game-item{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem;transition:all .2s ease}.game-item:hover{background:#ffffff14;transform:translateY(-2px)}.game-header{align-items:center;display:flex;flex-wrap:wrap;gap:.5rem;justify-content:space-between;margin-bottom:1rem}.game-players{color:var(--text-primary);font-size:1rem;font-weight:600}.game-year{background:#ffffff1a;color:var(--text-secondary)}.game-result,.game-year{border-radius:6px;font-size:.9rem;padding:.25rem .75rem}.game-result{background:linear-gradient(135deg,#10b981,#059669);color:#fff;font-weight:700}.game-description{color:var(--text-secondary);line-height:1.6;margin-bottom:1rem}.game-analysis-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:.75rem 1.5rem;transition:all .2s ease}.game-analysis-btn:hover{box-shadow:0 4px 12px #667eea4d;transform:translateY(-2px)}.games-note{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;padding:1rem}.games-note p{color:var(--text-secondary);font-style:italic;margin:0;text-align:center}.practice-exercises{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.exercise-item{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem;transition:all .2s ease}.exercise-item:hover{background:#ffffff14;transform:translateY(-2px)}.exercise-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.exercise-type{color:var(--text-primary);font-size:1rem;font-weight:600}.exercise-difficulty{border-radius:12px;color:#fff;font-size:.8rem;font-weight:600;letter-spacing:.5px;padding:.25rem .75rem;text-transform:uppercase}.exercise-difficulty:contains("Beginner"){background:#10b981}.exercise-difficulty:contains("Intermediate"){background:#f59e0b}.exercise-difficulty:contains("Advanced"){background:#ef4444}.exercise-description{color:var(--text-secondary);line-height:1.6;margin-bottom:1rem}.exercise-hint{align-items:flex-start;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;display:flex;gap:.5rem;margin-bottom:1rem;padding:1rem}.hint-label{color:#f59e0b;font-size:.9rem;font-weight:600}.hint-text{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.exercise-start-btn{background:linear-gradient(135deg,#10b981,#059669);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:.75rem 1.5rem;transition:all .2s ease}.exercise-start-btn:hover{box-shadow:0 4px 12px #10b9814d;transform:translateY(-2px)}.practice-tips{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.practice-tips h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.practice-tips ul{list-style:none;padding:0}.practice-tips li{color:var(--text-secondary);margin-bottom:.5rem;padding-left:1.5rem;position:relative}.practice-tips li:before{content:"💡";left:0;position:absolute}.video-tutorials{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.video-item{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;display:flex;gap:1.5rem;padding:1.5rem;transition:all .2s ease}.video-item:hover{background:#ffffff14;transform:translateY(-2px)}.video-thumbnail{border-radius:8px;flex-shrink:0;height:80px;overflow:hidden;width:120px}.video-play-button{color:#fff;cursor:pointer;font-size:2rem;transition:all .2s ease}.video-play-button:hover{transform:scale(1.1)}.video-info{display:flex;flex:1 1;flex-direction:column;gap:.5rem}.video-title{color:var(--text-primary);font-size:1.1rem;font-weight:600;margin:0}.video-meta{align-items:center}.video-instructor{color:#667eea;font-size:.9rem;font-weight:600}.video-duration{background:#ffffff1a;border-radius:4px;padding:.25rem .5rem}.video-description,.video-duration{color:var(--text-secondary);font-size:.9rem}.video-description{line-height:1.5;margin:0}.video-watch-btn{align-self:flex-start;background:linear-gradient(135deg,#ef4444,#dc2626);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:.75rem 1.5rem;transition:all .2s ease}.video-watch-btn:hover{box-shadow:0 4px 12px #ef44444d;transform:translateY(-2px)}.video-note{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;padding:1rem}.video-note p{color:var(--text-secondary);font-style:italic;margin:0;text-align:center}.mistakes-list{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.mistake-item{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem;transition:all .2s ease}.mistake-item:hover{background:#ffffff14;transform:translateY(-2px)}.mistake-header{margin-bottom:1rem}.mistake-severity{border-radius:12px;color:#fff;font-size:.8rem;font-weight:700;letter-spacing:.5px;padding:.25rem .75rem;text-transform:uppercase}.mistake-severity-critical{background:#ef4444}.mistake-severity-major{background:#f59e0b}.mistake-severity-minor{background:#10b981}.mistake-content{display:flex;flex-direction:column;gap:1rem}.mistake-correct,.mistake-wrong{align-items:center;border-radius:8px;display:flex;gap:.75rem;padding:.75rem}.mistake-wrong{background:#ef44441a;border:1px solid #ef444433}.mistake-correct{background:#10b9811a;border:1px solid #10b98133}.mistake-label{font-size:.9rem;font-weight:600}.mistake-wrong .mistake-label{color:#ef4444}.mistake-correct .mistake-label{color:#10b981}.mistake-text{color:var(--text-primary);font-size:.9rem}.mistake-explanation{color:var(--text-secondary);font-size:.9rem;line-height:1.6;margin:0}.mistakes-tips{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.mistakes-tips h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.mistakes-tips ul{list-style:none;padding:0}.mistakes-tips li{color:var(--text-secondary);margin-bottom:.5rem;padding-left:1.5rem;position:relative}.mistakes-tips li:before{content:"💡";left:0;position:absolute}.repertoire-content{display:flex;flex-direction:column;gap:2rem;margin-bottom:2rem}.repertoire-section{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.repertoire-section h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.repertoire-openings{display:flex;flex-wrap:wrap;gap:.75rem}.repertoire-opening{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;color:#fff;cursor:pointer;font-size:.9rem;font-weight:600;padding:.5rem 1rem;transition:all .2s ease}.repertoire-opening:hover{box-shadow:0 4px 12px #667eea4d;transform:translateY(-2px)}.repertoire-reasoning{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.repertoire-reasoning h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.repertoire-reasoning p{color:var(--text-secondary);line-height:1.6;margin:0}.repertoire-tips{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.repertoire-tips h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.repertoire-tips ul{list-style:none;padding:0}.repertoire-tips li{color:var(--text-secondary);margin-bottom:.5rem;padding-left:1.5rem;position:relative}.repertoire-tips li:before{content:"📚";left:0;position:absolute}.quiz-content{display:flex;flex-direction:column;gap:2rem;margin-bottom:2rem}.quiz-question{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.quiz-question h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.question-text{color:var(--text-secondary);font-size:1rem}.quiz-option{border:1px solid #ffffff1a;color:var(--text-primary);font-size:.95rem;transition:all .2s ease}.quiz-option:hover{background:#ffffff1a;transform:translateY(-1px)}.quiz-option.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff}.quiz-submit-btn{align-self:center;background:linear-gradient(135deg,#10b981,#059669);border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:1rem 2rem;transition:all .2s ease}.quiz-submit-btn:hover{box-shadow:0 4px 12px #10b9814d;transform:translateY(-2px)}.quiz-results{display:flex;flex-direction:column;gap:2rem}.quiz-score{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:2rem;text-align:center}.quiz-score h3{color:var(--text-primary);font-size:1.5rem;margin-bottom:1rem}.score-display{align-items:center;display:flex;font-size:2rem;font-weight:700;gap:.5rem;justify-content:center}.score-number{color:#10b981}.score-separator{color:var(--text-secondary)}.score-total{color:var(--text-primary)}.score-percentage{color:var(--text-secondary);font-size:1rem;margin-left:.5rem}.quiz-feedback{display:flex;flex-direction:column;gap:1.5rem}.quiz-feedback-item{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.feedback-question{display:flex;gap:.5rem;margin-bottom:1rem}.feedback-number{color:#667eea;font-weight:600}.feedback-text{color:var(--text-primary);font-weight:500}.feedback-answer{align-items:flex-start;display:flex;gap:.75rem}.feedback-correct{font-size:1.2rem}.feedback-correct.correct{color:#10b981}.feedback-correct.incorrect{color:#ef4444}.feedback-explanation{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.quiz-retry-btn{align-self:center;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:1rem 2rem;transition:all .2s ease}.quiz-retry-btn:hover{box-shadow:0 4px 12px #667eea4d;transform:translateY(-2px)}.comparison-content{display:flex;flex-direction:column;gap:2rem}.comparison-item{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem;transition:all .2s ease}.comparison-item:hover{background:#ffffff14;transform:translateY(-2px)}.comparison-item h4{color:var(--text-primary);font-size:1.2rem;margin-bottom:1.5rem;text-align:center}.comparison-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:1fr 1fr;margin-bottom:1.5rem}.comparison-cons,.comparison-pros{border-radius:8px;padding:1rem}.comparison-pros{background:#10b9811a;border:1px solid #10b98133}.comparison-cons{background:#ef44441a;border:1px solid #ef444433}.comparison-cons h5,.comparison-pros h5{font-size:1rem;font-weight:600;margin-bottom:1rem}.comparison-pros h5{color:#10b981}.comparison-cons h5{color:#ef4444}.comparison-cons ul,.comparison-pros ul{list-style:none;padding:0}.comparison-cons li,.comparison-pros li{color:var(--text-secondary);font-size:.9rem;margin-bottom:.5rem;padding-left:1.5rem;position:relative}.comparison-pros li:before{content:"✅";left:0;position:absolute}.comparison-cons li:before{content:"❌";left:0;position:absolute}.comparison-when{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;padding:1rem}.comparison-when h5{color:var(--text-primary);font-size:1rem;font-weight:600;margin-bottom:.75rem}.comparison-when p{color:var(--text-secondary);font-size:.9rem;line-height:1.6;margin:0}.back-btn{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;color:var(--text-primary);cursor:pointer;display:flex;font-size:.9rem;font-weight:600;gap:.5rem;padding:.75rem 1rem;transition:all .2s ease}.back-btn:hover{background:#ffffff1a;transform:translateY(-1px)}@media (max-width:1024px){.openings-card-grid{gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.opening-tabs{flex-wrap:wrap}.tips-grid{grid-template-columns:repeat(2,1fr)}.comparison-grid{grid-template-columns:1fr}.video-item{flex-direction:column}.video-thumbnail{height:120px;width:100%}}@media (max-width:768px){.openings-card-grid{gap:1.5rem;grid-template-columns:1fr}.opening-card{padding:1.5rem}.opening-card-name{font-size:1.3rem}.opening-explorer-panel{min-width:0;min-width:auto;padding:1.5rem}.opening-explorer-header{align-items:flex-start;flex-direction:column;font-size:1.3rem;gap:.5rem}.opening-tabs{flex-direction:column}.opening-tab{justify-content:center}.tips-grid{grid-template-columns:1fr}.game-header{align-items:flex-start;flex-direction:column}.exercise-header,.video-meta{align-items:flex-start;flex-direction:column;gap:.5rem}.quiz-options{gap:.5rem}.quiz-option{font-size:.9rem;padding:.75rem}}@media (max-width:480px){.opening-card{padding:1.25rem}.opening-card-header{align-items:flex-start;flex-direction:column;gap:1rem}.opening-explorer-panel{padding:1.25rem}.strategy-idea{align-items:flex-start;flex-direction:column;gap:.75rem}.trap-moves{font-size:.8rem}.video-item{padding:1rem}.video-thumbnail{height:100px}.mistake-correct,.mistake-wrong{align-items:flex-start;flex-direction:column;gap:.5rem}.repertoire-openings{flex-direction:column}.repertoire-opening{text-align:center}.score-display{flex-wrap:wrap;font-size:1.5rem}}.openings-page{background:linear-gradient(135deg,var(--bg-primary) 0,var(--bg-secondary) 100%);color:var(--text-primary);min-height:100vh}.openings-container{margin:0 auto;max-width:1400px;padding:2rem}.openings-header{margin-bottom:4rem;padding:3rem 0;text-align:center}.openings-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2 50%,#f093fb);-webkit-background-clip:text;background-clip:text;font-size:3.5rem;font-weight:800;letter-spacing:-.02em;margin-bottom:1.5rem}.openings-header p{color:var(--text-secondary);font-size:1.25rem;font-weight:400;line-height:1.6;margin:0 auto;max-width:700px}.openings-stats{margin-bottom:4rem}.stats-grid{grid-gap:2rem;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.stat-card{animation:fadeInUp .6s ease forwards;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;opacity:0;transform:translateY(20px);transition:all .4s cubic-bezier(.4,0,.2,1)}.stat-card:before{background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);height:3px;left:0;right:0;transform:scaleX(0);transition:transform .3s ease}.stat-card:hover:before{transform:scaleX(1)}.stat-card.visible{opacity:1;transform:translateY(0)}.stat-card:hover{border-color:#fff3;box-shadow:0 20px 40px #00000026;transform:translateY(-8px) scale(1.02)}.stat-icon{filter:drop-shadow(0 4px 8px rgba(0,0,0,.1));font-size:3rem}.stat-value{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:3rem;line-height:1}.stat-label{letter-spacing:1px}.search-filters-section{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;box-shadow:0 8px 32px #0000001a;margin-bottom:3rem;padding:2rem}.search-box{margin-bottom:1.5rem;position:relative}.search-input{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:2px solid #ffffff1a;border-radius:12px;color:var(--text-primary);font-size:1.1rem;padding:1rem 1rem 1rem 3rem;transition:all .3s ease}.search-input:focus{background:#ffffff14;border-color:#667eea;box-shadow:0 0 0 4px #667eea1a;outline:none}.search-icon,.search-input::placeholder{color:var(--text-secondary);opacity:.7}.search-icon{left:1rem}.filters-container{align-items:center;gap:1.5rem}.filter-group{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;padding:.75rem 1rem}.filter-group label{white-space:nowrap}.filter-group label,.filter-select{color:var(--text-primary);font-size:.95rem}.filter-select{background:#ffffff0d;border:1px solid #ffffff1a;cursor:pointer;min-width:120px;transition:all .2s ease}.filter-select:focus{background:#ffffff14}.clear-filters-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;color:var(--text-secondary);padding:.75rem 1.5rem;transition:all .2s ease}.clear-filters-btn:hover{background:#ffffff1a;color:var(--text-primary);transform:translateY(-1px)}.view-controls{margin-bottom:3rem}.view-toggle{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;display:flex;gap:.5rem;justify-content:center;margin:0 auto;max-width:400px;padding:.5rem}.view-btn{background:#0000;border:none;border-radius:12px;color:var(--text-secondary);cursor:pointer;flex:1 1;font-size:.95rem;font-weight:600;padding:1rem 1.5rem;transition:all .3s ease}.view-btn.active{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 4px 12px #667eea4d;color:#fff}.view-btn:hover:not(.active){background:#ffffff1a;color:var(--text-primary);transform:translateY(-1px)}.learning-tips,.openings-main{margin-bottom:4rem}.learning-tips h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;color:var(--text-primary);font-size:2.5rem;font-weight:700;margin-bottom:3rem;text-align:center}.tips-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.tip-card{border:1px solid #ffffff1a;transition:all .4s cubic-bezier(.4,0,.2,1)}.tip-card:before{background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);transform:scaleX(0);transition:transform .3s ease}.tip-card:hover:before{transform:scaleX(1)}.tip-card:hover{border-color:#fff3;box-shadow:0 20px 40px #00000026;transform:translateY(-8px) scale(1.02)}.tip-card h3{align-items:center;color:var(--text-primary);display:flex;font-size:1.4rem;gap:.5rem}.tip-card p{color:var(--text-secondary);line-height:1.7}.cta-section{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:24px;box-shadow:0 20px 40px #0000001a;overflow:hidden;padding:4rem 3rem;position:relative}.cta-section:before{background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);content:"";height:4px;left:0;position:absolute;right:0;top:0}.cta-content h2{margin-bottom:1.5rem}.cta-content p{font-size:1.2rem;line-height:1.6;margin-bottom:2.5rem}.cta-buttons{gap:1.5rem}.cta-btn{border-radius:12px;font-size:1.1rem;overflow:hidden;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1)}.cta-btn.primary{box-shadow:0 4px 12px #667eea4d}.cta-btn.primary:hover{box-shadow:0 8px 25px #667eea66;transform:translateY(-3px)}.cta-btn.secondary{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:2px solid #ffffff1a}.cta-btn.secondary:hover{background:#ffffff1a;border-color:#fff3;transform:translateY(-3px)}@keyframes slideInFromLeft{0%{opacity:0;transform:translateX(-30px)}to{opacity:1;transform:translateX(0)}}@keyframes slideInFromRight{0%{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}@media (max-width:1024px){.openings-container{padding:1.5rem}.openings-header h1{font-size:3rem}.stats-grid,.tips-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.openings-container{padding:1rem}.openings-header{margin-bottom:3rem;padding:2rem 0}.openings-header h1{font-size:2.5rem}.openings-header p{font-size:1.1rem}.stats-grid{gap:1.5rem}.stats-grid,.tips-grid{grid-template-columns:1fr}.cta-buttons{align-items:center;flex-direction:column}.cta-btn{max-width:300px;width:100%}.filters-container{align-items:stretch;flex-direction:column}.filter-group{justify-content:space-between}.view-toggle{flex-direction:column}.cta-section{padding:3rem 2rem}.cta-content h2{font-size:2rem}}@media (max-width:480px){.openings-header h1{font-size:2rem}.search-filters-section,.stat-card,.tip-card{padding:1.5rem}.cta-section{padding:2rem 1.5rem}}.tactics-page{background:var(--bg-primary);color:var(--text-primary);min-height:100vh}.tactics-container{margin:0 auto;max-width:1200px;padding:2rem}.tactics-header{margin-bottom:3rem;text-align:center}.tactics-header h1{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.tactics-header p{color:var(--text-secondary);font-size:1.1rem;margin:0 auto;max-width:600px}.training-modes-section{margin-bottom:3rem}.training-modes-section h2{font-size:2rem;font-weight:700;margin-bottom:2rem;text-align:center}.training-modes-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.training-mode-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;transition:all .3s ease}.training-mode-card:hover{box-shadow:0 8px 20px #0000001a;transform:translateY(-3px)}.mode-icon{font-size:3rem;margin-bottom:1rem}.training-mode-card h3{color:var(--text-primary);font-size:1.3rem;font-weight:600;margin-bottom:1rem}.training-mode-card p{color:var(--text-secondary);line-height:1.6;margin-bottom:1.5rem}.mode-details{display:flex;font-size:.9rem;justify-content:space-between;margin-bottom:1.5rem}.difficulty{color:var(--accent-color);font-weight:600}.time-limit{color:var(--text-secondary)}.start-training-btn{background:var(--accent-color);border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:.75rem 1.5rem;transition:all .2s ease;width:100%}.start-training-btn:hover{background:var(--accent-hover);transform:translateY(-2px)}.patterns-section{margin-bottom:3rem}.patterns-section h2{font-size:2rem;font-weight:700;margin-bottom:2rem;text-align:center}.patterns-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.pattern-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;transition:all .3s ease}.pattern-card:hover{box-shadow:0 8px 20px #0000001a;transform:translateY(-3px)}.pattern-header{align-items:center;display:flex;gap:1rem;margin-bottom:1rem}.pattern-icon{font-size:2rem}.pattern-info{flex:1 1}.pattern-info h3{color:var(--text-primary);font-size:1.2rem;font-weight:600;margin-bottom:.5rem}.difficulty-badge{background:var(--accent-color);border-radius:12px;color:#fff;font-size:.8rem}.pattern-description{color:var(--text-secondary);line-height:1.6;margin-bottom:1rem}.pattern-example{background:var(--bg-primary);border-radius:6px;font-family:Courier New,monospace;font-size:.9rem;margin-bottom:1rem;padding:.75rem}.pattern-example strong,.practice-pattern-btn{color:var(--text-primary)}.practice-pattern-btn{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;font-size:.9rem;padding:.5rem 1rem;transition:all .2s ease}.practice-pattern-btn:hover{background:var(--bg-hover)}.resources-section{margin-bottom:3rem}.resources-section h2{font-size:2rem;font-weight:700;margin-bottom:2rem;text-align:center}.resources-grid{grid-gap:1.5rem;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.resource-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px}.resource-card:hover{box-shadow:0 8px 20px #0000001a;transform:translateY(-3px)}.resource-card h3{color:var(--text-primary);font-size:1.2rem;font-weight:600;margin-bottom:1rem}.resource-card p{color:var(--text-secondary);line-height:1.6;margin-bottom:1.5rem}.resource-link{color:var(--accent-color);font-weight:600;text-decoration:none;transition:color .2s ease}.resource-link:hover{color:var(--accent-hover)}.cta-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:3rem 2rem;text-align:center}.cta-content h2{color:var(--text-primary);font-size:2rem;font-weight:700}.cta-content p{color:var(--text-secondary);max-width:600px}.cta-btn{padding:.875rem 1.75rem;text-decoration:none;transition:all .2s ease}.cta-btn.primary{background:var(--accent-color)}.cta-btn.primary:hover{background:var(--accent-hover);transform:translateY(-2px)}.cta-btn.secondary{background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary)}.cta-btn.secondary:hover{background:var(--bg-hover);transform:translateY(-2px)}@media (max-width:768px){.tactics-container{padding:1rem}.tactics-header h1{font-size:2rem}.patterns-grid,.resources-grid,.training-modes-grid{grid-template-columns:1fr}.cta-buttons{align-items:center;flex-direction:column}.cta-btn{max-width:300px;width:100%}.mode-details{flex-direction:column;gap:.5rem}}.endgames-page{background:linear-gradient(135deg,#1a1a2e,#16213e 50%,#0f3460);color:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;min-height:100vh}.endgames-container{margin:0 auto;max-width:1200px;padding:2rem}.endgames-header{animation:fadeInUp .8s ease-out;margin-bottom:3rem;text-align:center}.endgames-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:3.5rem;font-weight:800;letter-spacing:-.02em;margin-bottom:1rem}.endgames-header p{color:#a0aec0;font-size:1.2rem;line-height:1.6;margin:0 auto;max-width:600px}.endgames-stats{margin-bottom:3rem;opacity:0;transform:translateY(30px);transition:all .6s ease-out}.endgames-stats.visible{opacity:1;transform:translateY(0)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:2rem}.stat-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;overflow:hidden;padding:2rem;position:relative;text-align:center;transition:all .3s ease}.stat-card:before{background:linear-gradient(90deg,#0000,#ffffff1a,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.stat-card:hover:before{left:100%}.stat-card:hover{box-shadow:0 20px 40px #0000004d;transform:translateY(-5px)}.stat-icon{display:block;font-size:2.5rem;margin-bottom:1rem}.stat-value{color:#667eea;font-size:2.5rem}.stat-label{color:#a0aec0;letter-spacing:.05em}.endgames-tabs{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:2rem}.endgame-tab{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:12px;color:#fff;cursor:pointer;display:flex;font-weight:500;gap:.5rem;padding:1rem 1.5rem;transition:all .3s ease}.endgame-tab:hover{background:#fff3;transform:translateY(-2px)}.endgame-tab.active{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#0000;box-shadow:0 8px 25px #667eea66}.tab-icon{font-size:1.2rem}.tab-label{font-size:.9rem;font-weight:600}.endgames-filters{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-bottom:2rem}.filter-group{align-items:center}.filter-group label{color:#a0aec0}.filter-select{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;font-size:.9rem;padding:.5rem 1rem;transition:all .3s ease}.filter-select:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.filter-select option{background:#1a1a2e;color:#fff}.endgames-main{margin-bottom:3rem}.endgame-categories{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(350px,1fr))}.endgame-category-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;overflow:hidden;padding:2rem;position:relative;transition:all .3s ease}.endgame-category-card:before{background:linear-gradient(90deg,#667eea,#764ba2);content:"";height:4px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.endgame-category-card:hover:before{transform:scaleX(1)}.endgame-category-card:hover{box-shadow:0 20px 40px #0000004d;transform:translateY(-5px)}.category-header{align-items:center;display:flex;gap:1rem;margin-bottom:1rem}.category-icon{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:2rem}.category-info h3{color:#fff;font-size:1.3rem;font-weight:700;margin:0}.difficulty-badge{border-radius:20px;font-size:.75rem;font-weight:600;letter-spacing:.05em;padding:.25rem .75rem;text-transform:uppercase}.difficulty-beginner{background:#22c55e33;border:1px solid #22c55e4d;color:#22c55e}.difficulty-intermediate{background:#f59e0b33;border:1px solid #f59e0b4d;color:#f59e0b}.difficulty-advanced{background:#ef444433;border:1px solid #ef44444d;color:#ef4444}.category-description{color:#a0aec0;line-height:1.6;margin-bottom:1.5rem}.category-concepts,.category-examples{margin-bottom:1rem}.category-concepts h4,.category-examples h4{color:#fff;font-size:.9rem;font-weight:600;letter-spacing:.05em;margin-bottom:.5rem;text-transform:uppercase}.concept-tags,.example-tags{display:flex;flex-wrap:wrap;gap:.5rem}.concept-tag,.example-tag{background:#667eea33;border:1px solid #667eea4d;border-radius:20px;color:#667eea;font-size:.8rem;font-weight:500;padding:.25rem .75rem;transition:all .3s ease}.concept-tag:hover,.example-tag:hover{background:#667eea4d;transform:translateY(-1px)}.study-guides{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.study-guide-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;padding:2rem;transition:all .3s ease}.study-guide-card:hover{box-shadow:0 20px 40px #0000004d;transform:translateY(-5px)}.study-guide-card h3{color:#667eea;font-size:1.3rem;font-weight:700;margin-bottom:1rem}.study-guide-card ul{list-style:none;padding:0}.study-guide-card li{border-bottom:1px solid #ffffff1a;padding:.5rem 0 .5rem 1.5rem;position:relative}.study-guide-card li:before{color:#22c55e;content:"✓";font-weight:700;left:0;position:absolute}.study-guide-card li:last-child{border-bottom:none}.practice-positions{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(350px,1fr))}.practice-position-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;padding:2rem;transition:all .3s ease}.practice-position-card:hover{box-shadow:0 20px 40px #0000004d;transform:translateY(-5px)}.position-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.position-header h3{color:#fff;font-size:1.3rem;font-weight:700;margin:0}.position-description{color:#a0aec0;line-height:1.6;margin-bottom:1.5rem}.position-tips h4{color:#fff;font-size:.9rem;font-weight:600;letter-spacing:.05em;margin-bottom:.5rem;text-transform:uppercase}.position-tips ul{list-style:none;padding:0}.position-tips li{color:#a0aec0;padding:.25rem 0 .25rem 1.5rem;position:relative}.position-tips li:before{content:"💡";left:0;position:absolute}.practice-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;margin-top:1rem;padding:.75rem 1.5rem;transition:all .3s ease;width:100%}.practice-btn:hover{box-shadow:0 8px 25px #667eea66;transform:translateY(-2px)}.theory-content{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;padding:2rem}.theory-content h2{color:#667eea;font-size:2rem;font-weight:700;margin-bottom:2rem;text-align:center}.theory-sections{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.theory-section{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.theory-section h3{color:#fff;font-size:1.2rem;font-weight:700;margin-bottom:1rem}.theory-section p{color:#a0aec0;line-height:1.6}.video-tutorials{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.video-tutorial-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;overflow:hidden;transition:all .3s ease}.video-tutorial-card:hover{box-shadow:0 20px 40px #0000004d;transform:translateY(-5px)}.video-thumbnail{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;height:200px;justify-content:center;position:relative}.play-button{cursor:pointer;font-size:3rem;transition:all .3s ease}.play-button:hover{transform:scale(1.1)}.video-info{padding:1.5rem}.video-info h3{color:#fff;font-size:1.2rem;font-weight:700;margin-bottom:.5rem}.video-meta{display:flex;font-size:.9rem;gap:1rem;margin-bottom:1rem}.instructor{color:#667eea;font-weight:600}.duration{color:#a0aec0}.video-info p{color:#a0aec0;line-height:1.6;margin-bottom:1rem}.watch-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:.75rem 1.5rem;transition:all .3s ease;width:100%}.watch-btn:hover{box-shadow:0 8px 25px #667eea66;transform:translateY(-2px)}.quiz-content{margin:0 auto;max-width:800px}.quiz-question-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;margin-bottom:2rem;padding:2rem;transition:all .3s ease}.quiz-question-card:hover{box-shadow:0 10px 30px #0003;transform:translateY(-2px)}.quiz-question-card h3{color:#667eea;font-size:1.2rem;font-weight:700;margin-bottom:1rem}.question-text{color:#fff;font-size:1.1rem;line-height:1.6;margin-bottom:1.5rem}.quiz-options{display:flex;flex-direction:column;gap:.75rem}.quiz-option{background:#ffffff0d;border:1px solid #fff3;border-radius:8px;color:#fff;cursor:pointer;font-size:1rem;padding:1rem;text-align:left;transition:all .3s ease}.quiz-option:hover{background:#667eea33;border-color:#667eea;transform:translateX(5px)}.submit-quiz-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;padding:1rem 2rem;transition:all .3s ease;width:100%}.submit-quiz-btn:hover{box-shadow:0 8px 25px #667eea66;transform:translateY(-2px)}.endgames-cta{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:16px;margin-top:4rem;padding:3rem;text-align:center}.cta-content h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:800;margin-bottom:1rem}.cta-content p{color:#a0aec0;font-size:1.1rem;margin-bottom:2rem;margin-left:auto;margin-right:auto;max-width:500px}.cta-buttons{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.cta-btn{border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;padding:1rem 2rem;transition:all .3s ease}.cta-btn.primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.cta-btn.secondary{background:#ffffff1a;border:1px solid #fff3;color:#fff}.cta-btn:hover{box-shadow:0 8px 25px #0000004d;transform:translateY(-2px)}@media (max-width:768px){.endgames-container{padding:1rem}.endgames-header h1{font-size:2.5rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.endgames-tabs{align-items:center;flex-direction:column}.endgame-tab{max-width:300px;width:100%}.endgames-filters{align-items:center;flex-direction:column}.filter-group{max-width:300px;width:100%}.endgame-categories,.practice-positions,.study-guides,.theory-sections,.video-tutorials{grid-template-columns:1fr}.cta-buttons{align-items:center;flex-direction:column}.cta-btn{max-width:300px;width:100%}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}.endgames-header h1{font-size:2rem}.endgames-header p{font-size:1rem}}.guide-modal-overlay{align-items:center;animation:fadeIn .3s ease-out;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000b3;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.guide-modal-centered{animation:fadeInUp .4s;background:#283250f7;border:1.5px solid #667eea33;border-radius:24px;box-shadow:0 12px 48px #00000059;display:flex;flex-direction:column;max-height:90vh;max-width:600px;overflow-y:auto;padding:0 0 2rem;position:relative;width:96vw}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.guide-modal-header{align-items:center;background:#323c64fa;border-bottom:1.5px solid #667eea33;border-radius:24px 24px 0 0;color:#fff;display:flex;font-size:1.3rem;font-weight:700;gap:1.2rem;justify-content:space-between;padding:1.5rem 2rem 1rem;position:relative}.guide-title{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:1.3rem;font-weight:800}.close-modal-btn{background:#0000;border:none;border-radius:50%;color:#a0aec0;cursor:pointer;font-size:2rem;font-weight:700;height:36px;line-height:1;position:absolute;right:1.2rem;top:1.2rem;transition:background .2s,color .2s;width:36px;z-index:10}.close-modal-btn:hover{background:#667eea;color:#fff}.guide-modal-tabs{background:#0000;border-bottom:1.5px solid #667eea33;display:flex;gap:.5rem;padding:1rem 2rem .5rem}.guide-modal-tab{align-items:center;background:#ffffff14;border:1px solid #ffffff26;border-radius:12px;color:#fff;cursor:pointer;display:flex;font-size:1rem;font-weight:600;gap:.5rem;padding:.7rem 1.3rem;transition:all .3s ease}.guide-modal-tab.active{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#0000;box-shadow:0 8px 25px #667eea33}.guide-modal-content{color:#fff;flex:1 1;overflow-y:auto;padding:2rem 2rem 2.5rem}.info-modal{animation:fadeInUp .4s;background:#283250f7;border:1.5px solid #667eea33;border-radius:24px;box-shadow:0 12px 48px #00000059;display:flex;flex-direction:column;max-height:90vh;max-width:600px;overflow-y:auto;padding:0 0 2rem;position:relative;width:96vw}.info-modal-header{align-items:center;background:#323c64fa;border-bottom:1.5px solid #667eea33;border-radius:24px 24px 0 0;color:#fff;display:flex;font-size:1.3rem;font-weight:700;gap:1.2rem;padding:2rem 2rem 1.2rem;position:relative}.info-modal-icon{filter:drop-shadow(0 2px 8px #667eea44);font-size:2.2rem;margin-right:.5rem}.info-modal-title{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:1.3rem;font-weight:800}.info-modal-content{color:#fff;flex:1 1;overflow-y:auto;padding:1.5rem 2rem 0}.info-modal-section{margin-bottom:2rem}.info-modal-description{color:#a0aec0;font-size:1.1rem;line-height:1.7;margin-bottom:.5rem}.info-modal-list{list-style:disc inside;margin:0 0 .5rem .5rem;padding:0}.info-modal-list li{color:#e0e7ef;font-size:1rem;margin-bottom:.7rem}.concept-explanation{color:#a0aec0;font-size:.98em;margin-left:.3em}.info-modal-example{background:#ffffff0a;border-radius:12px;box-shadow:0 2px 12px #667eea14;margin-bottom:2rem;padding:1rem 1rem 1.2rem}.example-header{color:#a5b4fc;font-size:1.08rem;font-weight:700;margin-bottom:.5rem}.example-board{background:#232946;border-radius:8px;box-shadow:0 2px 12px #00000026;display:flex;justify-content:center;margin:.5rem 0 1rem}.example-description{color:#a0aec0;font-size:.98rem;margin-bottom:.5rem}.example-tips{list-style:none;margin:.2rem 0 0;padding:0}.example-tips li{align-items:center;color:#22d3ee;display:flex;font-size:.97rem;gap:.4em;margin-bottom:.2rem}@media (max-width:700px){.info-modal{max-width:99vw;padding:0 0 1rem}.info-modal-content,.info-modal-header{padding-left:.7rem;padding-right:.7rem}.info-modal-header,.info-modal-title{font-size:1.05rem}}.resources-page{background:linear-gradient(135deg,#667eea,#764ba2);margin:0;min-height:100vh;padding:0}.resources-container{margin:0 auto;max-width:1400px;padding:0 2rem}.resources-hero{padding:4rem 0 3rem;position:relative;text-align:center}.resources-hero:before{background:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cdefs%3E%3Cpattern id='a' x='0' y='0' width='20' height='20' patternUnits='userSpaceOnUse'%3E%3Cpath fill='rgba(255,255,255,0.03)' d='M0 0h10v10H0zM10 10h10v10H10z'/%3E%3C/pattern%3E%3C/defs%3E%3Cpath fill='url(%23a)' d='M0 0h100v100H0z'/%3E%3C/svg%3E");bottom:0;content:"";left:0;opacity:.3;position:absolute;right:0;top:0;z-index:0}.hero-content{position:relative;z-index:1}.hero-badge{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:50px;color:#fff;display:inline-flex;font-size:.9rem;font-weight:500;gap:.5rem;margin-bottom:2rem;padding:.75rem 1.5rem;transition:all .3s ease}.hero-badge:hover{background:#ffffff26;transform:translateY(-2px)}.badge-icon{font-size:1.2rem}.hero-title{color:#fff;font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;text-shadow:0 4px 20px #0000004d}.title-highlight{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,gold,#ffed4e);-webkit-background-clip:text;background-clip:text}.hero-subtitle{color:#ffffffe6;font-size:1.25rem;line-height:1.6;margin-bottom:3rem;margin-left:auto;margin-right:auto;max-width:600px}.search-container{margin:0 auto;max-width:500px}.search-input-wrapper{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff1a;border:1px solid #fff3;border-radius:50px;padding:.5rem;position:relative;transition:all .3s ease}.search-input-wrapper:focus-within{background:#ffffff26;border-color:#fff6;box-shadow:0 8px 32px #0000001a}.search-icon{color:#ffffffb3;font-size:1.2rem;left:1.5rem;position:absolute;top:50%;transform:translateY(-50%);z-index:1}.search-input{background:#0000;border:none;border-radius:50px;color:#fff;font-size:1rem;outline:none;padding:1rem 1rem 1rem 3.5rem;width:100%}.search-input::placeholder{color:#fff9}.filters-section{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;margin-bottom:3rem;padding:2rem 0}.filters-container{align-items:flex-end;display:flex;flex-wrap:wrap;gap:2rem}.filter-group{flex:1 1}.filter-label{color:#fffc;font-size:.9rem;font-weight:600;margin-bottom:1rem}.filter-chips{display:flex;flex-wrap:wrap;gap:.75rem}.filter-chip{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:50px;color:#fffc;cursor:pointer;display:flex;font-size:.9rem;font-weight:500;gap:.5rem;padding:.75rem 1rem;transition:all .3s ease}.filter-chip:hover{background:#ffffff26;transform:translateY(-2px)}.filter-chip.active{background:var(--chip-color);border-color:var(--chip-color);box-shadow:0 4px 20px #0003;color:#fff}.chip-icon{font-size:1.1rem}.sort-select{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:12px;color:#fff;cursor:pointer;font-size:.9rem;padding:.75rem 1rem;transition:all .3s ease;width:100%}.sort-select:focus{background:#ffffff26;border-color:#fff6;outline:none}.sort-select option{background:#2d3748;color:#fff}.results-section{padding:2rem 0 4rem}.results-header{margin-bottom:3rem;text-align:center}.results-title{color:#fff;font-size:2.5rem;font-weight:700;margin-bottom:.5rem;text-shadow:0 2px 10px #0000004d}.results-subtitle{color:#fffc;font-size:1.1rem}.resources-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));margin-bottom:3rem}.resource-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff1a;border:1px solid #fff3;border-radius:20px;overflow:hidden;padding:1.5rem;position:relative;transition:all .3s ease}.resource-card:before{background:linear-gradient(90deg,#667eea,#667eea 50%,#0000 0);background:linear-gradient(90deg,var(--chip-color,#667eea),var(--chip-color,#667eea) 50%,#0000 50%);content:"";height:4px;left:0;opacity:0;position:absolute;right:0;top:0;transition:opacity .3s ease}.resource-card:hover{border-color:#ffffff4d;box-shadow:0 20px 40px #0003;transform:translateY(-8px)}.resource-card:hover:before{opacity:1}.resource-card-header{align-items:flex-start;display:flex;justify-content:space-between;margin-bottom:1.5rem}.resource-category{align-items:center;border-radius:50px;display:flex;font-size:.8rem;font-weight:600;gap:.5rem;letter-spacing:.5px;padding:.5rem 1rem;text-transform:uppercase}.category-icon{font-size:1rem}.resource-difficulty{border-radius:50px;font-size:.75rem;font-weight:600;letter-spacing:.5px;padding:.4rem .8rem;text-transform:uppercase}.resource-card-content{margin-bottom:1.5rem}.resource-title{color:#fff;font-size:1.4rem;font-weight:700;line-height:1.3;margin-bottom:1rem}.resource-description{color:#fffc;font-size:.95rem;line-height:1.6;margin-bottom:1.5rem}.resource-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.resource-tag{background:#ffffff1a;border:1px solid #fff3;border-radius:50px;color:#ffffffb3;font-size:.75rem;font-weight:500;padding:.3rem .8rem;transition:all .3s ease}.resource-tag:hover{background:#fff3;color:#fff}.resource-stats{display:flex;gap:1.5rem;margin-bottom:1.5rem}.resource-stat{align-items:center;color:#ffffffb3;display:flex;font-size:.9rem;font-weight:500;gap:.5rem}.stat-icon{font-size:1rem}.stat-value{color:#fff}.resource-card-actions{display:flex;gap:1rem}.download-btn,.preview-btn{align-items:center;border:none;border-radius:12px;cursor:pointer;display:flex;flex:1 1;font-size:.9rem;font-weight:600;gap:.5rem;justify-content:center;padding:.75rem 1rem;text-decoration:none;transition:all .3s ease}.download-btn{background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 4px 15px #10b9814d;color:#fff}.download-btn:hover{box-shadow:0 8px 25px #10b98166;transform:translateY(-2px)}.preview-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;color:#fff}.preview-btn:hover{background:#ffffff26;transform:translateY(-2px)}.btn-icon{font-size:1rem}.no-results{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;padding:4rem 2rem;text-align:center}.no-results-icon{font-size:4rem;margin-bottom:1.5rem;opacity:.5}.no-results-title{color:#fff;font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.no-results-subtitle{color:#ffffffb3;font-size:1rem}@media (max-width:768px){.resources-container{padding:0 1rem}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.1rem}.filters-container{flex-direction:column;gap:1.5rem}.filter-group{min-width:auto}.resources-grid{gap:1.5rem;grid-template-columns:1fr}.resource-card{padding:1.25rem}.resource-card-header{align-items:flex-start;flex-direction:column;gap:1rem}.resource-card-actions{flex-direction:column}.results-title{font-size:2rem}}@media (max-width:480px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.search-input-wrapper{border-radius:25px}.search-input{font-size:.9rem;padding:.75rem .75rem .75rem 3rem}.filter-chips{gap:.5rem}.filter-chip{font-size:.8rem;padding:.6rem .8rem}.resource-card{padding:1rem}.resource-title{font-size:1.2rem}.resource-description{font-size:.9rem}}.resource-card.loading{animation:shimmer 1.5s infinite;background:linear-gradient(90deg,#ffffff1a 25%,#fff3 50%,#ffffff1a 75%);background-size:200px 100%}.download-btn:focus,.filter-chip:focus,.preview-btn:focus,.search-input:focus,.sort-select:focus{outline:2px solid #ffffff80;outline-offset:2px}@media (prefers-color-scheme:dark){.resources-page{background:linear-gradient(135deg,#1a202c,#2d3748)}}@keyframes popIn{0%{opacity:0;transform:scale(.7)}80%{opacity:1;transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.resources-hero .hero-badge{animation:fadeInUp .7s .1s both}.resources-hero .hero-title{animation:fadeInUp .7s .3s both}.resources-hero .hero-subtitle{animation:fadeInUp .7s .5s both}.resources-grid .resource-card{animation:fadeInUp .7s both;opacity:0;transform:translateY(40px)}.resources-grid .resource-card:first-child{animation-delay:.1s}.resources-grid .resource-card:nth-child(2){animation-delay:.2s}.resources-grid .resource-card:nth-child(3){animation-delay:.3s}.resources-grid .resource-card:nth-child(4){animation-delay:.4s}.resources-grid .resource-card:nth-child(5){animation-delay:.5s}.resources-grid .resource-card:nth-child(6){animation-delay:.6s}.resources-grid .resource-card:nth-child(7){animation-delay:.7s}.resources-grid .resource-card:nth-child(8){animation-delay:.8s}.resources-grid .resource-card:nth-child(9){animation-delay:.9s}.resources-grid .resource-card:nth-child(10){animation-delay:1s}.resources-grid .resource-card:nth-child(11){animation-delay:1.1s}.resources-grid .resource-card:nth-child(12){animation-delay:1.2s}.resource-card{transition:transform .25s cubic-bezier(.4,2,.3,1),box-shadow .25s cubic-bezier(.4,2,.3,1)}.resource-card:hover{box-shadow:0 24px 48px #00000040;transform:translateY(-12px) scale(1.035)}.download-btn,.preview-btn{transition:transform .18s cubic-bezier(.4,2,.3,1),background .25s,box-shadow .25s}.download-btn:hover,.preview-btn:hover{box-shadow:0 8px 24px #10b9812e;transform:scale(1.06) translateY(-2px)}.resource-category,.resource-difficulty,.resource-tag{animation:popIn .5s both}.resource-tag{animation-delay:.2s}.resource-category{animation-delay:.1s}.resource-difficulty{animation-delay:.15s}.analysis-page{background:var(--bg-primary);color:var(--text-primary);min-height:100vh}.analysis-container{margin:0 auto;max-width:1200px;padding:2rem}.analysis-header{margin-bottom:3rem;text-align:center}.analysis-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:700;margin-bottom:1rem}.analysis-header p{color:var(--text-secondary);font-size:1.1rem;margin:0 auto 2rem;max-width:600px}.analysis-mode-toggle{display:flex;gap:1rem;justify-content:center;margin-top:1rem}.mode-btn{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);cursor:pointer;font-size:.95rem;font-weight:600;padding:.75rem 1.5rem;transition:all .2s ease}.mode-btn:hover{background:var(--bg-hover);border-color:var(--accent-color)}.mode-btn.active{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.analysis-main{display:flex;flex-direction:column;gap:2rem}.input-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:2rem}.input-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.input-header h3{color:var(--text-primary);font-size:1.5rem;margin:0}.input-actions{display:flex;gap:.75rem}.file-upload-btn,.sample-games-btn{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);cursor:pointer;font-size:.9rem;font-weight:500;padding:.5rem 1rem;transition:all .2s ease}.file-upload-btn:hover,.sample-games-btn:hover{background:var(--bg-hover);border-color:var(--accent-color)}.sample-games-dropdown{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;margin-bottom:1.5rem;overflow:hidden}.sample-game-btn{align-items:center;background:var(--bg-primary);border:none;border-bottom:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;display:flex;justify-content:space-between;padding:1rem;transition:all .2s ease;width:100%}.sample-game-btn:last-child{border-bottom:none}.sample-game-btn:hover{background:var(--bg-hover)}.game-name{font-size:.95rem;font-weight:600}.game-info{color:var(--text-secondary);font-size:.8rem}.pgn-input-container{position:relative;transition:all .2s ease}.pgn-input-container.drag-over{background:#6366f10d;border:2px dashed var(--accent-color);border-radius:8px}.pgn-textarea{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-family:Courier New,monospace;font-size:.9rem;margin-bottom:1rem;min-height:150px;padding:1rem;resize:vertical;transition:all .2s ease;width:100%}.pgn-textarea:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f11a;outline:none}.input-help{color:var(--text-secondary);font-size:.9rem;margin-bottom:1rem}.analyze-btn,.input-help{align-items:center;display:flex;gap:.5rem}.analyze-btn{background:var(--accent-color);border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:.75rem 1.5rem;transition:all .2s ease}.analyze-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.analyze-btn:disabled{cursor:not-allowed;opacity:.6}.loading-spinner{border:2px solid #ffffff4d;border-top-color:#fff;height:16px;width:16px}.error-message{background:#ef44441a;border:1px solid #ef444433;border-radius:8px;color:#ef4444;margin-top:1rem;padding:.75rem}.analysis-results{display:flex;flex-direction:column;gap:2rem}.game-info-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem}.game-header h3{color:var(--text-primary);font-size:1.4rem;margin-bottom:1rem}.game-details{grid-gap:.75rem;display:grid;font-size:.95rem;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.game-details span{color:var(--text-secondary)}.game-details strong{color:var(--text-primary)}.board-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem}.board-section h3{color:var(--text-primary);font-size:1.3rem;margin-bottom:1rem}.board-container{display:flex;justify-content:center;margin-bottom:1rem}.position-info{align-items:center;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;display:flex;justify-content:space-between;margin-bottom:1rem;padding:.75rem}.move-counter{color:var(--text-primary);font-weight:600}.evaluation-display{color:var(--accent-color);font-size:1.1rem;font-weight:700}.board-controls{display:flex;gap:.5rem;justify-content:center}.board-controls button{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;font-size:.9rem;padding:.5rem 1rem;transition:all .2s ease}.board-controls button:hover:not(:disabled){background:var(--bg-hover)}.board-controls button:disabled{cursor:not-allowed;opacity:.5}.moves-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem}.moves-section h3{color:var(--text-primary);font-size:1.3rem;margin-bottom:1rem}.moves-list{display:flex;flex-direction:column;gap:.5rem;max-height:400px;overflow-y:auto}.move-btn{align-items:center;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);cursor:pointer;display:flex;gap:.75rem;padding:.75rem;text-align:left;transition:all .2s ease;width:100%}.move-btn:hover{background:var(--bg-hover);border-color:var(--accent-color)}.move-btn.active{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.move-btn.best{border-left:4px solid #10b981}.move-btn.mistake{border-left:4px solid #f59e0b}.move-btn.blunder{border-left:4px solid #ef4444}.move-number{color:var(--text-secondary);font-weight:600;min-width:2rem}.move-text{flex:1 1;font-weight:500}.move-evaluation{background:#ffffff1a;border-radius:4px;font-size:.8rem;font-weight:600;padding:.25rem .5rem}.move-comment{font-size:.9rem;opacity:.7}.insights-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem}.insights-section h3{color:var(--text-primary);font-size:1.3rem;margin-bottom:1rem}.insights-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.insight-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem}.insight-card h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:1rem}.evaluation-bar{background:var(--bg-secondary);border-radius:4px;height:8px;margin-bottom:.5rem;overflow:hidden;width:100%}.evaluation-fill{height:100%;transition:width .3s ease}.evaluation-text{color:var(--text-secondary);font-size:.9rem}.quality-stats{display:flex;flex-direction:column;gap:.75rem}.stat{align-items:center;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;padding:.5rem 0}.stat:last-child{border-bottom:none}.stat-label{color:var(--text-secondary)}.stat-value{color:var(--text-primary);font-weight:600}.key-moments{gap:.75rem}.key-moments,.moment{display:flex;flex-direction:column}.moment{background:var(--bg-secondary);border-left:3px solid var(--accent-color);border-radius:6px;gap:.25rem;padding:.75rem}.moment:last-child{margin-bottom:0}.moment-move{color:var(--text-primary);font-size:.9rem;font-weight:600}.moment-desc{color:var(--text-secondary);font-size:.8rem}.game-stats{display:flex;flex-direction:column;gap:.75rem}@media (max-width:768px){.analysis-container{padding:1rem}.analysis-header h1{font-size:2rem}.input-header{align-items:flex-start;flex-direction:column;gap:1rem}.input-actions{justify-content:space-between;width:100%}.game-details,.insights-grid{grid-template-columns:1fr}.board-controls{flex-wrap:wrap}.board-controls button{flex:1 1;min-width:80px}.position-info{flex-direction:column;gap:.5rem;text-align:center}}@media (max-width:480px){.analysis-header h1{font-size:1.8rem}.mode-btn{font-size:.85rem;padding:.5rem 1rem}.move-btn{gap:.5rem;padding:.5rem}.move-number{min-width:1.5rem}.insight-card{padding:1rem}}.cz-modern-container{background:var(--background);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100vh}.cz-modern-hero{align-items:center;display:flex;min-height:100vh;overflow:hidden;padding:2rem 0;position:relative}.cz-hero-background{background:var(--background);z-index:0}.cz-hero-background,.cz-hero-pattern{bottom:0;left:0;position:absolute;right:0;top:0}.cz-hero-pattern{animation:pattern-float 30s ease-in-out infinite;background-image:radial-gradient(circle at 25% 25%,#3b82f61a 0,#0000 50%),radial-gradient(circle at 75% 75%,#ec48991a 0,#0000 50%),radial-gradient(circle at 50% 50%,#10b9810d 0,#0000 50%)}.cz-hero-overlay{background:linear-gradient(135deg,#0f172acc,#1e293b99);background:var(--background);bottom:0;left:0;position:absolute;right:0;top:0}.cz-hero-content{grid-gap:4rem;align-items:center;animation:fadeInUp 1.2s cubic-bezier(.25,.46,.45,.94) both;background:var(--card-bg);color:var(--text-primary);display:grid;gap:4rem;grid-template-columns:1fr 1fr;margin:0 auto;max-width:1200px;padding:0 2rem;position:relative;z-index:1}.cz-hero-left{display:flex;flex-direction:column;gap:2rem}.cz-hero-badge{align-items:center;animation:slideInLeft .8s cubic-bezier(.25,.46,.45,.94) .2s both;background:#3b82f61a;border:1px solid #3b82f64d;border-radius:50px;color:#3b82f6;display:inline-flex;font-size:.875rem;font-weight:600;gap:.5rem;padding:.5rem 1rem;width:-webkit-fit-content;width:fit-content}.cz-badge-icon{font-size:1rem}.cz-hero-title{-webkit-text-fill-color:#0000;animation:slideInUp 1s cubic-bezier(.25,.46,.45,.94) .4s both;background:linear-gradient(135deg,var(--primary-color) 0,var(--accent-color) 100%);-webkit-background-clip:text;background-clip:text;color:var(--primary-color);font-size:clamp(2.5rem,5vw,4rem);font-weight:900;line-height:1.1;margin:0}.cz-title-highlight{-webkit-text-fill-color:#0000;animation:gradientShift 3s ease-in-out infinite;background:linear-gradient(135deg,var(--accent-color) 0,var(--primary-color) 100%);-webkit-background-clip:text;background-clip:text}.cz-hero-subtitle{animation:fadeInUp 1s cubic-bezier(.25,.46,.45,.94) .6s both;color:var(--text-secondary);font-size:1.25rem;line-height:1.6;margin:0}.cz-hero-actions{animation:slideInUp 1s cubic-bezier(.25,.46,.45,.94) .8s both;display:flex;flex-wrap:wrap;gap:1rem}.cz-btn-primary{align-items:center;background:var(--primary-color);border:none;border-radius:12px;box-shadow:0 4px 20px #60a5fa2e;color:#181a1b;cursor:pointer;display:inline-flex;font-size:1rem;font-weight:600;gap:.5rem;overflow:hidden;padding:1rem 2rem;position:relative;text-decoration:none;transform:translateZ(0);transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-btn-primary:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .6s cubic-bezier(.25,.46,.45,.94);width:100%}.cz-btn-primary:hover:before{left:100%}.cz-btn-primary:hover{box-shadow:0 12px 40px #60a5fa47;transform:translateY(-3px) scale(1.02)}.cz-btn-secondary{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:var(--card-bg);border:1px solid var(--primary-color);border-radius:12px;color:var(--primary-color);cursor:pointer;display:inline-flex;font-size:1rem;font-weight:600;gap:.5rem;padding:1rem 2rem;text-decoration:none;transform:translateZ(0);transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-btn-secondary:hover{background:var(--primary-color);border-color:var(--primary-color-light);box-shadow:0 8px 25px #ffffff1a;color:#fff;transform:translateY(-3px) scale(1.02)}.cz-btn-icon{font-size:1.1rem;transition:transform .3s cubic-bezier(.25,.46,.45,.94)}.cz-btn-primary:hover .cz-btn-icon,.cz-btn-secondary:hover .cz-btn-icon{transform:translateX(3px)}.cz-hero-features{display:flex;flex-wrap:wrap;gap:2rem}.cz-feature{align-items:center;color:#cbd5e1;display:flex;font-size:.875rem;gap:.5rem}.cz-feature-icon{font-size:1rem}.cz-hero-right{align-items:center;animation:slideInRight 1.2s cubic-bezier(.25,.46,.45,.94) .3s both;display:flex;justify-content:center}.cz-hero-board{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid var(--border-color);border-radius:20px;box-shadow:var(--shadow);padding:2rem;position:relative;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-hero-board:hover{box-shadow:0 30px 80px #0006;transform:translateY(-5px) scale(1.02)}.cz-board-controls{display:flex;gap:.5rem;justify-content:center;margin-bottom:1rem}.cz-control-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:8px;color:#f8fafc;cursor:pointer;font-size:.875rem;padding:.5rem 1rem;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-control-btn:hover{background:#ffffff26;border-color:#ffffff4d;transform:translateY(-2px)}.cz-stats-bar{display:flex;gap:1rem;margin-top:1rem;opacity:0;transform:translateY(20px);transition:all .6s cubic-bezier(.25,.46,.45,.94)}.cz-stats-bar.show{opacity:1;transform:translateY(0)}.cz-stat-item{align-items:center;background:var(--background);border-radius:8px;color:var(--text-secondary);display:flex;font-size:.875rem;gap:.5rem;padding:.5rem 1rem;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-stat-item:hover{background:#ffffff1a;transform:translateY(-2px)}.cz-stat-icon{color:#3b82f6;font-size:1rem}.cz-stat-content{display:flex;flex-direction:column}.cz-stat-value{color:var(--primary-color);font-size:1rem;font-weight:700}.cz-stat-label{color:#94a3b8;font-size:.75rem}.cz-modules-section{padding:4rem 0;position:relative}.cz-section-header{margin-bottom:3rem;text-align:center}.cz-section-title{color:var(--primary-color);display:inline-block;font-size:clamp(2rem,4vw,3rem);font-weight:900;margin-bottom:1rem;position:relative;text-align:center}.cz-section-title:after{animation:expandWidth .8s cubic-bezier(.25,.46,.45,.94) .5s both;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));border-radius:2px;bottom:-8px;content:"";height:4px;left:50%;position:absolute;transform:translateX(-50%);width:60px}.cz-section-title-badge{align-items:center;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:linear-gradient(135deg,#3b82f626,#ec489926);border:2px solid #3b82f666;border-radius:20px;box-shadow:0 8px 32px #3b82f633;color:var(--primary-color);display:inline-flex;font-size:clamp(1.8rem,3.5vw,2.5rem);font-weight:800;gap:1rem;margin-bottom:1rem;overflow:hidden;padding:1.2rem 2.5rem;position:relative}.cz-section-title-badge:before{background:linear-gradient(90deg,#0000,#ffffff1a,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .6s cubic-bezier(.25,.46,.45,.94);width:100%}.cz-section-title-badge:hover:before{left:100%}.cz-section-title-badge .cz-badge-icon{filter:drop-shadow(0 2px 4px rgba(0,0,0,.3));font-size:1.5em}.cz-section-title-split{align-items:center;color:var(--primary-color);display:flex;flex-direction:column;font-size:clamp(2.2rem,4.2vw,3.2rem);font-weight:900;gap:.8rem;margin-bottom:1rem;text-align:center}.cz-section-title-split .primary{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#3b82f6,#1d4ed8);-webkit-background-clip:text;background-clip:text;padding:.5rem 1rem;position:relative}.cz-section-title-split .primary:before{background:linear-gradient(135deg,#3b82f61a,#1d4ed81a);border-radius:12px;bottom:0;content:"";left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .4s cubic-bezier(.25,.46,.45,.94);z-index:-1}.cz-section-title-split:hover .primary:before{transform:scaleX(1)}.cz-section-title-split .secondary{background:#94a3b81a;border:1px solid #94a3b833;border-radius:20px;color:#94a3b8;font-size:.6em;font-weight:600;letter-spacing:2px;padding:.3rem 1rem;text-transform:uppercase}.cz-section-title-icon{align-items:center;background:linear-gradient(135deg,#ffffff0d,#ffffff05);border:1px solid #ffffff1a;border-radius:16px;color:var(--primary-color);display:flex;font-size:clamp(2rem,4vw,3rem);font-weight:900;gap:1.5rem;justify-content:center;margin-bottom:1rem;padding:1rem 2rem;position:relative}.cz-section-title-icon .icon{-webkit-text-fill-color:#0000;animation:float 3s ease-in-out infinite;background:linear-gradient(135deg,#3b82f6,#ec4899);-webkit-background-clip:text;background-clip:text;filter:drop-shadow(0 4px 8px rgba(59,130,246,.3));font-size:1.3em;position:relative}.cz-section-title-icon .icon:after{animation:pulse 2s ease-in-out infinite;background:radial-gradient(circle,#3b82f61a,#0000);border-radius:50%;content:"";height:60px;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);width:60px;z-index:-1}.cz-section-title-minimal{color:var(--primary-color);font-size:clamp(2.5rem,5vw,3.5rem);font-weight:900;margin-bottom:1rem;padding:1rem 0;position:relative;text-align:center}.cz-section-title-minimal:before{animation:pulse 2s ease-in-out infinite;background:linear-gradient(135deg,#3b82f6,#ec4899);border-radius:50%;content:"";height:50px;left:50%;opacity:.3;position:absolute;top:-15px;transform:translateX(-50%);width:50px}.cz-section-title-minimal:after{background:linear-gradient(90deg,#0000,#3b82f6,#0000);border-radius:2px;bottom:-10px;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:80px}.cz-section-title-card{background:linear-gradient(135deg,#3b82f61a,#ec48991a);border:2px solid #3b82f64d;border-radius:12px;box-shadow:0 8px 25px #0003;color:var(--primary-color);display:inline-block;font-size:clamp(2rem,4vw,3rem);font-weight:900;margin-bottom:1rem;overflow:hidden;padding:1.5rem 2.5rem;position:relative}.cz-section-title-card:before{animation:gradientShift 3s ease-in-out infinite;background:linear-gradient(90deg,#3b82f6,#ec4899,#10b981);content:"";height:3px;left:0;position:absolute;right:0;top:0}.cz-section-title-typography{color:var(--primary-color);font-family:Georgia,serif;font-size:clamp(2.2rem,4.2vw,3.2rem);font-weight:900;letter-spacing:-1px;margin-bottom:1rem;position:relative;text-align:center}.cz-section-title-typography:before{color:#3b82f6;top:-20px}.cz-section-title-typography:after,.cz-section-title-typography:before{content:'"';font-family:Georgia,serif;font-size:3em;left:50%;opacity:.6;position:absolute;transform:translateX(-50%)}.cz-section-title-typography:after{bottom:-40px;color:#ec4899}.cz-section-title-border{background:linear-gradient(135deg,#3b82f61a,#ec48991a) padding-box,linear-gradient(135deg,#3b82f6,#ec4899) border-box;border:3px solid #0000;border-radius:8px;box-shadow:0 4px 15px #3b82f633;padding:1rem 2rem}.cz-section-title-border,.cz-section-title-highlight{color:var(--primary-color);font-size:clamp(2rem,4vw,3rem);font-weight:900;margin-bottom:1rem;position:relative;text-align:center}.cz-section-title-highlight{padding:.5rem 1rem}.cz-section-title-highlight:before{background:linear-gradient(135deg,#3b82f64d,#ec48994d);border-radius:4px;content:"";height:40%;left:0;position:absolute;right:0;top:50%;transform:translateY(-50%) skew(-15deg);z-index:-1}.cz-section-title-stacked{align-items:center;color:var(--primary-color);display:flex;flex-direction:column;font-size:clamp(1.8rem,3.5vw,2.5rem);font-weight:900;gap:.3rem;margin-bottom:1rem;text-align:center}.cz-section-title-stacked .main{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#3b82f6,#1d4ed8);-webkit-background-clip:text;background-clip:text;font-size:1.2em}.cz-section-title-stacked .sub{background:#94a3b81a;border:1px solid #94a3b833;border-radius:12px;color:#94a3b8;font-size:.7em;font-weight:600;letter-spacing:1px;padding:.2rem .8rem;text-transform:uppercase}.cz-section-subtitle{color:#cbd5e1;font-size:1.125rem;line-height:1.6;margin:0 auto;max-width:600px}.cz-modules-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:2rem}.cz-modules-grid .cz-module-card{opacity:0;transform:translateY(30px);transition:all .6s cubic-bezier(.25,.46,.45,.94)}.cz-modules-grid .cz-module-card.visible{opacity:1;transform:translateY(0)}.cz-module-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.cz-module-icon{align-items:center;background:#3b82f6;background:var(--module-color,#3b82f6);border-radius:16px;color:#fff;display:flex;font-size:1.5rem;height:60px;justify-content:center;overflow:hidden;position:relative;width:60px}.cz-module-icon,.cz-module-icon:before{transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-module-icon:before{background:#ffffff4d;border-radius:50%;content:"";height:0;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);width:0}.cz-module-card:hover .cz-module-icon:before{height:100%;width:100%}.cz-module-card:hover .cz-module-icon{transform:scale(1.1) rotate(5deg) translateZ(0)}.cz-module-progress{height:40px;position:relative;width:40px}.cz-progress-ring{transform:rotate(-90deg)}.cz-progress-ring,.cz-progress-ring svg{height:100%;width:100%}.cz-progress-ring path:first-child{fill:none;stroke:#ffffff1a;stroke-width:4}.cz-progress-ring path:last-child{fill:none;stroke:#3b82f6;stroke:var(--module-color,#3b82f6);stroke-width:4;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:30;transition:stroke-dashoffset .6s cubic-bezier(.25,.46,.45,.94)}.cz-progress-text{color:#f8fafc;font-size:.75rem;font-weight:700;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%)}.cz-module-content{flex:1 1}.cz-module-title{color:var(--primary-color);font-size:1.25rem;font-weight:700;margin-bottom:.75rem;transition:color .3s cubic-bezier(.25,.46,.45,.94)}.cz-module-desc{color:var(--text-secondary);line-height:1.6;margin-bottom:1rem}.cz-module-topics{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.cz-topic-tag{background:#ffffff1a;border:1px solid #fff3;border-radius:20px;color:#cbd5e1;font-size:.75rem;padding:.25rem .75rem;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-topic-tag:hover{background:#ffffff26;transform:translateY(-1px)}.cz-module-footer{align-items:center;display:flex;justify-content:space-between}.cz-module-btn{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:8px;color:#f8fafc;cursor:pointer;display:inline-flex;font-size:.875rem;font-weight:600;gap:.5rem;padding:.75rem 1.5rem;text-decoration:none;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-module-btn:hover{background:#ffffff26;border-color:#ffffff4d;transform:translateY(-2px)}.cz-btn-arrow{font-size:.875rem;transition:transform .3s cubic-bezier(.25,.46,.45,.94)}.cz-module-btn:hover .cz-btn-arrow{transform:translateX(3px)}.cz-content-sections{margin:0 auto;max-width:1200px;padding:0 2rem}.cz-content-module{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff05;border:1px solid #ffffff1a;border-radius:24px;margin-bottom:6rem;padding:3rem}.cz-module-header-large{align-items:center;border-bottom:1px solid #ffffff1a;display:flex;gap:2rem;margin-bottom:3rem;padding-bottom:2rem}.cz-module-icon-large{align-items:center;border-radius:20px;color:#fff;display:flex;font-size:2.5rem;height:80px;justify-content:center;width:80px}.cz-module-info h2{color:#f8fafc;font-size:2rem;font-weight:700;margin:0 0 .5rem}.cz-module-info p{color:#cbd5e1;font-size:1.125rem;margin:0}.cz-module-content-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.cz-content-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;padding:2rem;transition:all .3s ease}.cz-content-card:hover{background:#ffffff14;transform:translateY(-4px)}.cz-content-card h3{color:#f8fafc;font-size:1.25rem;font-weight:600;margin:0 0 1rem}.cz-content-card p{color:#cbd5e1;line-height:1.6;margin:0 0 1rem}.cz-rule-highlight{background:#3b82f61a;border:1px solid #3b82f64d;border-radius:8px;color:#3b82f6;font-weight:600;padding:1rem}.cz-placement-guide{display:flex;flex-direction:column;gap:1rem}.cz-placement-row{align-items:center;display:flex;font-size:1.5rem;gap:1rem}.cz-placement-row span:last-child{color:#cbd5e1;font-size:.875rem}.cz-pieces-showcase{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.cz-piece-showcase-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;cursor:pointer;overflow:hidden;padding:2rem;position:relative;transition:all .3s ease}.cz-piece-showcase-card:before{background:var(--piece-color);content:"";height:4px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.cz-piece-showcase-card.selected:before,.cz-piece-showcase-card:hover:before{transform:scaleX(1)}.cz-piece-showcase-card:hover{border-color:var(--piece-color);box-shadow:0 20px 60px #0000004d;transform:translateY(-8px)}.cz-piece-showcase-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.cz-piece-showcase-icon{font-size:3rem}.cz-piece-showcase-value{align-items:center;background:var(--piece-color);border-radius:50%;color:#fff;display:flex;font-size:1.25rem;font-weight:700;height:40px;justify-content:center;width:40px}.cz-piece-showcase-content h4{color:#f8fafc;font-size:1.5rem;font-weight:600;margin:0 0 .5rem}.cz-piece-showcase-content p{color:#cbd5e1;line-height:1.6;margin:0 0 1rem}.cz-piece-category{background:#ffffff1a;border:1px solid #fff3;border-radius:20px;color:#cbd5e1;font-size:.75rem;padding:.25rem .75rem;text-transform:capitalize;width:-webkit-fit-content;width:fit-content}.cz-piece-showcase-overlay{align-items:center;background:#000c;border-radius:16px;bottom:0;display:flex;justify-content:center;left:0;opacity:0;position:absolute;right:0;top:0;transition:opacity .3s ease}.cz-piece-showcase-card:hover .cz-piece-showcase-overlay{opacity:1}.cz-piece-showcase-overlay span{color:#fff;font-weight:600}.cz-special-moves-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.cz-special-move-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;padding:2rem;transition:all .3s ease}.cz-special-move-card:hover{background:#ffffff14;transform:translateY(-4px)}.cz-special-move-icon{font-size:3rem;margin-bottom:1rem}.cz-special-move-card h3{color:#f8fafc;font-size:1.5rem;font-weight:600;margin:0 0 1rem}.cz-special-move-card p{color:#cbd5e1;line-height:1.6;margin:0 0 1rem}.cz-special-move-rules{background:#ffffff0d;border-radius:8px;padding:1rem}.cz-special-move-rules strong{color:#f8fafc;display:block;margin-bottom:.5rem}.cz-special-move-rules ul{color:#cbd5e1;margin:0;padding-left:1.5rem}.cz-special-move-rules li{margin-bottom:.25rem}.cz-rules-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.cz-rule-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;padding:2rem;text-align:center;transition:all .3s ease}.cz-rule-card:hover{background:#ffffff14;transform:translateY(-4px)}.cz-rule-icon{font-size:3rem;margin-bottom:1rem}.cz-rule-card h3{color:#f8fafc;font-size:1.25rem;font-weight:600;margin:0 0 1rem}.cz-rule-card p{color:#cbd5e1;line-height:1.6;margin:0}.cz-notation-content{grid-gap:3rem;display:grid;gap:3rem;grid-template-columns:1fr 1fr}.cz-notation-intro{grid-column:1/-1;margin-bottom:2rem;text-align:center}.cz-notation-intro h3{color:#f8fafc;font-size:1.5rem;font-weight:600;margin:0 0 1rem}.cz-notation-intro p{color:#cbd5e1;line-height:1.6;margin:0}.cz-notation-examples{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:1fr 1fr}.cz-notation-example{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;padding:2rem}.cz-notation-example h4{color:#f8fafc;font-size:1.25rem;font-weight:600;margin:0 0 1rem}.cz-move-examples,.cz-symbol-examples{display:flex;flex-direction:column;gap:.75rem}.cz-move-example,.cz-symbol-example{align-items:center;background:#ffffff0d;border-radius:8px;display:flex;gap:1rem;padding:.75rem}.cz-move,.cz-symbol{background:var(--module-color);border-radius:6px;color:#fff;font-family:Courier New,monospace;font-weight:600;min-width:60px;padding:.25rem .75rem;text-align:center}.cz-move-desc,.cz-symbol-desc{color:#cbd5e1;font-size:.875rem}.cz-strategy-content{display:flex;flex-direction:column;gap:3rem}.cz-strategy-section h3{color:#f8fafc;font-size:1.5rem;font-weight:600;margin:0 0 2rem}.cz-strategy-tips{display:flex;flex-direction:column;gap:1.5rem}.cz-strategy-tip{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;display:flex;gap:1rem;padding:1.5rem;transition:all .3s ease}.cz-strategy-tip:hover{background:#ffffff14;transform:translateX(8px)}.cz-tip-icon{font-size:1.5rem}.cz-tip-content h4{color:#f8fafc;font-size:1.125rem;font-weight:600;margin:0 0 .5rem}.cz-tip-content p{color:#cbd5e1;line-height:1.6;margin:0}.cz-tactics-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.cz-tactic-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;padding:2rem;text-align:center;transition:all .3s ease}.cz-tactic-card:hover{background:#ffffff14;transform:translateY(-4px)}.cz-tactic-icon{font-size:2.5rem;margin-bottom:1rem}.cz-tactic-card h4{color:#f8fafc;font-size:1.25rem;font-weight:600;margin:0 0 1rem}.cz-tactic-card p{color:#cbd5e1;line-height:1.6;margin:0}.cz-cta-section{margin:6rem auto;max-width:1200px;padding:0 2rem}.cz-cta-card{grid-gap:4rem;align-items:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid #fff3;border-radius:24px;display:grid;gap:4rem;grid-template-columns:2fr 1fr;overflow:hidden;padding:4rem;position:relative}.cz-cta-card:before{animation:gradient-shift 4s ease-in-out infinite;background:linear-gradient(135deg,#3b82f60d,#ec48990d);bottom:0;content:"";left:0;position:absolute;right:0;top:0}.cz-cta-content{position:relative;z-index:1}.cz-cta-content h2{color:var(--primary-color);font-size:2.5rem;font-weight:900;margin:0 0 1rem}.cz-cta-content>p{color:var(--text-secondary);font-size:1.25rem;line-height:1.6;margin:0 0 2rem}.cz-cta-features{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.cz-cta-feature{align-items:center;color:var(--text-secondary);display:flex;gap:.75rem}.cz-cta-icon{font-size:1.25rem}.cz-btn-primary-large{align-items:center;background:var(--primary-color);border:none;border-radius:12px;box-shadow:0 4px 20px #60a5fa2e;color:#181a1b;cursor:pointer;display:inline-flex;font-size:1.125rem;font-weight:600;gap:.5rem;padding:1.25rem 2.5rem;text-decoration:none;transition:all .3s ease}.cz-btn-primary-large:hover{box-shadow:0 8px 30px #60a5fa47;transform:translateY(-2px)}.cz-btn-secondary-large{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:var(--card-bg);border:1px solid var(--primary-color);border-radius:12px;color:var(--primary-color);cursor:pointer;display:inline-flex;font-size:1.125rem;font-weight:600;gap:.5rem;padding:1.25rem 2.5rem;text-decoration:none;transition:all .3s ease}.cz-btn-secondary-large:hover{background:var(--primary-color);border-color:var(--primary-color-light);color:#fff}.cz-cta-visual{align-items:center;display:flex;justify-content:center;position:relative;z-index:1}.cz-cta-board{background:var(--background);border:1px solid #ffffff1a;border-radius:16px;padding:1.5rem}.cz-modal-overlay{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#000c;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.cz-modal{animation:modal-slide-in .3s ease;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid #fff3;border-radius:20px;max-width:500px;padding:2rem;position:relative;width:90%}.cz-modal-close{background:none;border:none;border-radius:50%;color:var(--text-secondary);cursor:pointer;font-size:1.5rem;padding:.5rem;position:absolute;right:1rem;top:1rem;transition:all .3s ease}.cz-modal-close:hover{background:var(--primary-color-light);color:#fff}.cz-modal-content{color:var(--text-primary);line-height:1.6}@keyframes pattern-float{0%,to{opacity:.8;transform:translateY(0) rotate(0deg)}50%{opacity:1;transform:translateY(-20px) rotate(1deg)}}@keyframes modal-slide-in{0%{opacity:0;transform:translateY(-50px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:translateX(0)}}@keyframes expandWidth{0%{opacity:0;width:0}to{opacity:1;width:60px}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:.2;transform:translateX(-50%) scale(1)}50%{opacity:.4;transform:translateX(-50%) scale(1.1)}}@keyframes cardHover{0%{transform:translateY(0) scale(1)}to{transform:translateY(-8px) scale(1.02)}}.cz-modules-grid .cz-module-card:first-child{animation:fadeInUp .8s cubic-bezier(.25,.46,.45,.94) .1s both}.cz-modules-grid .cz-module-card:nth-child(2){animation:fadeInUp .8s cubic-bezier(.25,.46,.45,.94) .2s both}.cz-modules-grid .cz-module-card:nth-child(3){animation:fadeInUp .8s cubic-bezier(.25,.46,.45,.94) .3s both}.cz-modules-grid .cz-module-card:nth-child(4){animation:fadeInUp .8s cubic-bezier(.25,.46,.45,.94) .4s both}.cz-modules-grid .cz-module-card:nth-child(5){animation:fadeInUp .8s cubic-bezier(.25,.46,.45,.94) .5s both}.cz-modules-grid .cz-module-card:nth-child(6){animation:fadeInUp .8s cubic-bezier(.25,.46,.45,.94) .6s both}@media (max-width:1024px){.cz-hero-content{gap:3rem;grid-template-columns:1fr;text-align:center}.cz-hero-features{justify-content:center}.cz-cta-card,.cz-notation-content,.cz-notation-examples{grid-template-columns:1fr}.cz-cta-card{text-align:center}}@media (max-width:768px){.cz-modern-hero{min-height:80vh;padding:1rem 0}.cz-hero-content{gap:2rem;padding:0 1rem}.cz-hero-actions{align-items:center;flex-direction:column}.cz-stats-bar{flex-direction:column;gap:.5rem}.cz-content-sections,.cz-cta-section,.cz-modules-section{padding:2rem 0}.cz-modules-grid{gap:1.5rem}.cz-content-module,.cz-modules-grid{grid-template-columns:1fr}.cz-module-header-large{flex-direction:column;gap:1rem;text-align:center}.cz-module-content-grid,.cz-pieces-showcase,.cz-rules-grid,.cz-special-moves-grid,.cz-tactics-grid{grid-template-columns:1fr}.cz-cta-card{padding:2rem}.cz-cta-buttons{flex-direction:column;gap:1rem}}@media (max-width:480px){.cz-hero-title{font-size:2rem}.cz-hero-subtitle{font-size:1rem}.cz-section-title{font-size:1.8rem}.cz-stats-bar{margin-top:.5rem}.cz-hero-actions{gap:.75rem}.cz-btn-primary,.cz-btn-secondary{font-size:.875rem;padding:.75rem 1.5rem}}.cz-module-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;cursor:pointer;overflow:hidden;padding:2rem;position:relative;transform:translateZ(0);transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-module-card:before{background:#3b82f6;background:var(--module-color,#3b82f6);height:4px;transform:scaleX(0);transition:transform .4s cubic-bezier(.25,.46,.45,.94)}.cz-module-card:after,.cz-module-card:before{content:"";left:0;position:absolute;right:0;top:0}.cz-module-card:after{background:linear-gradient(135deg,#ffffff0d,#0000 50%);bottom:0;opacity:0;pointer-events:none;transition:opacity .3s cubic-bezier(.25,.46,.45,.94)}.cz-module-card.active:before,.cz-module-card:hover:before{transform:scaleX(1)}.cz-module-card:hover:after{opacity:1}.cz-module-card:hover{border-color:var(--primary-color);box-shadow:0 20px 40px #0000004d;transform:translateY(-8px) scale(1.02) translateZ(0)}.cz-btn-primary,.cz-btn-secondary{overflow:hidden;position:relative;transform:translateZ(0)}.cz-btn-primary:before,.cz-btn-secondary:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .6s cubic-bezier(.25,.46,.45,.94);width:100%}.cz-btn-primary:hover:before,.cz-btn-secondary:hover:before{left:100%}.cz-section-title,.cz-section-title-badge,.cz-section-title-icon,.cz-section-title-minimal,.cz-section-title-split{transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-section-title-badge:hover{box-shadow:0 8px 25px #3b82f633;transform:translateY(-2px)}.cz-section-title-icon .icon{transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-section-title-icon:hover .icon{transform:scale(1.1) rotate(5deg)}.cz-home-main{animation:pageFadeIn .8s cubic-bezier(.25,.46,.45,.94) both}@keyframes pageFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.cz-module-card.loading{overflow:hidden;position:relative}.cz-module-card.loading:before{animation:shimmer 1.5s infinite;background:linear-gradient(90deg,#0000,#ffffff1a,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;width:100%}.cz-btn-primary:focus,.cz-btn-secondary:focus,.cz-module-card:focus{outline:2px solid #3b82f6;outline-offset:2px}.cz-btn-primary,.cz-btn-secondary,.cz-module-card,.cz-module-icon{will-change:transform}@media (prefers-reduced-motion:reduce){.cz-btn-primary,.cz-btn-secondary,.cz-module-card,.cz-module-icon,.cz-section-title,.cz-section-title-badge,.cz-section-title-icon,.cz-section-title-minimal,.cz-section-title-split{animation:none;transition:none}.cz-btn-primary:hover,.cz-btn-secondary:hover,.cz-module-card:hover{transform:none}}.cz-step-number{align-items:center;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border:2px solid #fff3;border-radius:50%;box-shadow:0 4px 12px #3b82f64d;color:#fff;display:flex;font-size:.875rem;font-weight:700;height:32px;justify-content:center;position:absolute;right:-8px;top:-8px;width:32px}.cz-getstarted .cz-modules-grid{align-items:stretch;display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;margin-top:2rem}.cz-getstarted .cz-module-card{color:inherit;display:flex;flex:1 1;flex-direction:column;max-width:350px;min-width:280px;position:relative;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.cz-getstarted .cz-module-card:hover{box-shadow:0 25px 50px #0000004d;transform:translateY(-8px) scale(1.02) translateZ(0)}.cz-getstarted .cz-module-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem;position:relative}.cz-getstarted .cz-module-icon{align-items:center;border-radius:18px;color:#fff;display:flex;font-size:1.8rem;height:70px;justify-content:center;overflow:hidden;position:relative;transition:all .4s cubic-bezier(.25,.46,.45,.94);width:70px}.cz-getstarted .cz-module-card:hover .cz-module-icon{transform:scale(1.1) rotate(5deg) translateZ(0)}.cz-getstarted .cz-module-content{flex:1 1;margin-bottom:1.5rem}.cz-getstarted .cz-module-title{color:#f8fafc;font-size:1.4rem;font-weight:700;margin-bottom:.75rem;transition:color .3s cubic-bezier(.25,.46,.45,.94)}.cz-getstarted .cz-module-desc{color:#cbd5e1;font-size:1rem;line-height:1.6;margin-bottom:0}.cz-getstarted .cz-module-footer{display:flex;justify-content:flex-end;margin-top:auto}.cz-getstarted .cz-module-btn{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:8px;color:#f8fafc;display:inline-flex;font-size:.875rem;font-weight:600;gap:.5rem;padding:.75rem 1.5rem;transition:all .3s cubic-bezier(.25,.46,.45,.94)}.cz-getstarted .cz-module-card:hover .cz-module-btn{background:#ffffff26;border-color:#ffffff4d;transform:translateX(3px)}.cz-getstarted .cz-btn-arrow{font-size:.875rem;transition:transform .3s cubic-bezier(.25,.46,.45,.94)}.cz-getstarted .cz-module-card:hover .cz-btn-arrow{transform:translateX(3px)}@media (max-width:1024px){.cz-getstarted .cz-modules-grid{align-items:center;flex-direction:column}.cz-getstarted .cz-module-card{max-width:400px;min-width:300px}}@media (max-width:768px){.cz-getstarted .cz-modules-grid{gap:1.5rem}.cz-getstarted .cz-module-card{max-width:350px;min-width:280px;padding:1.5rem}.cz-getstarted .cz-module-icon{font-size:1.5rem;height:60px;width:60px}.cz-step-number{font-size:.75rem;height:28px;width:28px}}@media (max-width:480px){.cz-getstarted .cz-module-card{max-width:300px;min-width:250px}}.cz-static-board{gap:1rem;padding:1.5rem}.cz-board-container,.cz-static-board{align-items:center;display:flex;flex-direction:column}.cz-board-container{position:relative}.cz-chessboard-image{border-radius:.5rem;height:400px;object-fit:contain;transition:transform .2s ease;width:400px}.cz-chessboard-image:hover{transform:scale(1.02)}@media (max-width:768px){.cz-chessboard-image{height:300px;width:300px}}@media (max-width:480px){.cz-chessboard-image{height:250px;width:250px}}.cz-lesson-header{margin-bottom:3rem;padding:2rem 0;text-align:center}.cz-lesson-header h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2 50%,#f093fb);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:800;margin-bottom:1rem}.cz-lesson-header p{color:var(--text-secondary);font-size:1.2rem;line-height:1.6;margin:0 auto;max-width:600px}.cz-lesson-card.enhanced{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;overflow:hidden;padding:2rem;position:relative;transition:all .4s cubic-bezier(.4,0,.2,1)}.cz-lesson-card.enhanced:before{background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);content:"";height:3px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.cz-lesson-card.enhanced:hover:before{transform:scaleX(1)}.cz-lesson-card.enhanced:hover{border-color:#fff3;box-shadow:0 20px 40px #00000026;transform:translateY(-5px)}.cz-card-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:2rem}.cz-card-header h3{color:var(--text-primary);font-size:1.8rem;font-weight:700;margin:0}.cz-card-badge{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;color:#fff;font-size:.8rem;font-weight:600;letter-spacing:.5px;padding:.5rem 1rem;text-transform:uppercase}.cz-pieces-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.cz-piece-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;overflow:hidden;padding:1.5rem;position:relative;transition:all .3s ease}.cz-piece-card:before{background:var(--piece-color);content:"";height:3px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.cz-piece-card:hover:before{transform:scaleX(1)}.cz-piece-card:hover{border-color:var(--piece-color);box-shadow:0 10px 25px #00000026;transform:translateY(-3px)}.cz-piece-header{align-items:center;display:flex;gap:1rem;margin-bottom:1rem}.cz-piece-symbol{color:var(--piece-color);filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));font-size:2.5rem}.cz-piece-info h4{color:var(--text-primary);font-size:1.3rem;font-weight:700;margin:0 0 .25rem}.cz-piece-power{background:var(--piece-color);border-radius:12px;color:#fff;font-size:.75rem;font-weight:600;letter-spacing:.5px;padding:.25rem .75rem;text-transform:uppercase}.cz-piece-description{color:var(--text-secondary);font-size:1rem;line-height:1.6;margin:0}.cz-piece-highlight{background:linear-gradient(135deg,var(--piece-color) 0,#0000 100%);bottom:0;left:0;opacity:0;pointer-events:none;position:absolute;right:0;top:0;transition:opacity .3s ease}.cz-piece-card:hover .cz-piece-highlight{opacity:.05}.cz-board-setup-container{grid-gap:2rem;align-items:start;display:grid;gap:2rem;grid-template-columns:1fr 1fr}.cz-board-visual{align-items:center;display:flex;justify-content:center}.cz-board-grid{border:2px solid #fff3;border-radius:8px;box-shadow:0 8px 25px #00000026;overflow:hidden}.cz-board-row,.cz-square{display:flex}.cz-square{align-items:center;font-size:1.5rem;height:50px;justify-content:center;transition:all .2s ease;width:50px}.cz-square.light{background:#f0d9b5}.cz-square.dark{background:#b58863}.cz-square:hover{box-shadow:0 0 10px #ffffff4d;transform:scale(1.1)}.cz-board-piece{filter:drop-shadow(0 2px 4px rgba(0,0,0,.2));transition:all .2s ease}.cz-board-piece:hover{transform:scale(1.2)}.cz-setup-tips{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;padding:1.5rem}.cz-setup-tips h4{color:var(--text-primary);font-size:1.3rem;font-weight:700;margin:0 0 1rem;text-align:center}.cz-tips-grid{display:flex;flex-direction:column;gap:1rem}.cz-tip-item{align-items:center;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;display:flex;gap:1rem;padding:.75rem;transition:all .2s ease}.cz-tip-item:hover{background:#ffffff1a;transform:translateX(5px)}.cz-tip-icon{align-items:center;background:#ffffff1a;border-radius:50%;display:flex;flex-shrink:0;font-size:1.2rem;height:30px;justify-content:center;width:30px}.cz-tip-item span{color:var(--text-secondary);font-size:.95rem;line-height:1.4}.cz-practice-cta{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;margin-top:3rem;overflow:hidden;padding:3rem 2rem;position:relative;text-align:center}.cz-practice-cta:before{background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);content:"";height:4px;left:0;position:absolute;right:0;top:0}.cz-cta-content h3{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;color:var(--text-primary);font-size:2rem;font-weight:700;margin:0 0 1rem}.cz-cta-content p{color:var(--text-secondary);font-size:1.1rem;line-height:1.6;margin:0 auto 2rem;max-width:600px}.cz-cta-buttons{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.cz-cta-btn{border:none;border-radius:12px;cursor:pointer;font-size:1rem;font-weight:600;overflow:hidden;padding:1rem 2rem;position:relative;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.cz-cta-btn.primary{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 4px 12px #667eea4d;color:#fff}.cz-cta-btn.primary:hover{box-shadow:0 8px 25px #667eea66;transform:translateY(-3px)}.cz-cta-btn.secondary{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:2px solid #ffffff1a;color:var(--text-primary)}.cz-cta-btn.secondary:hover{background:#ffffff1a;border-color:#fff3;transform:translateY(-3px)}.cz-analysis-grid,.cz-endgame-grid,.cz-principles-grid,.cz-strategy-grid,.cz-tactics-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.cz-analysis-card,.cz-endgame-card,.cz-principle-card,.cz-strategy-card,.cz-tactic-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;overflow:hidden;padding:2rem;position:relative;text-align:center;transition:all .3s ease}.cz-analysis-card:before,.cz-endgame-card:before,.cz-principle-card:before,.cz-strategy-card:before,.cz-tactic-card:before{background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);content:"";height:3px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.cz-analysis-card:hover:before,.cz-endgame-card:hover:before,.cz-principle-card:hover:before,.cz-strategy-card:hover:before,.cz-tactic-card:hover:before{transform:scaleX(1)}.cz-analysis-card:hover,.cz-endgame-card:hover,.cz-principle-card:hover,.cz-strategy-card:hover,.cz-tactic-card:hover{border-color:#fff3;box-shadow:0 15px 35px #00000026;transform:translateY(-5px)}.cz-analysis-icon,.cz-endgame-icon,.cz-principle-icon,.cz-strategy-icon,.cz-tactic-icon{filter:drop-shadow(0 4px 8px rgba(0,0,0,.1));font-size:3rem;margin-bottom:1rem}.cz-analysis-card h3,.cz-endgame-card h3,.cz-principle-card h3,.cz-strategy-card h3,.cz-tactic-card h3{color:var(--text-primary);font-size:1.4rem;font-weight:700;margin:0 0 1rem}.cz-analysis-card p,.cz-endgame-card p,.cz-principle-card p,.cz-strategy-card p,.cz-tactic-card p{color:var(--text-secondary);font-size:1rem;line-height:1.6;margin:0}@media (max-width:1024px){.cz-board-setup-container{gap:2rem;grid-template-columns:1fr}.cz-pieces-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.cz-analysis-grid,.cz-endgame-grid,.cz-principles-grid,.cz-strategy-grid,.cz-tactics-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}}@media (max-width:768px){.cz-lesson-header h2{font-size:2rem}.cz-lesson-header p{font-size:1.1rem}.cz-board-setup-container,.cz-pieces-grid{grid-template-columns:1fr}.cz-square{font-size:1.2rem;height:40px;width:40px}.cz-cta-buttons{align-items:center;flex-direction:column}.cz-cta-btn{max-width:300px;width:100%}.cz-analysis-grid,.cz-endgame-grid,.cz-principles-grid,.cz-strategy-grid,.cz-tactics-grid{grid-template-columns:1fr}}@media (max-width:480px){.cz-lesson-card.enhanced{padding:1.5rem}.cz-card-header{align-items:flex-start;flex-direction:column;gap:1rem}.cz-piece-header{flex-direction:column;gap:.5rem;text-align:center}.cz-square{font-size:1rem;height:35px;width:35px}.cz-practice-cta{padding:2rem 1.5rem}.cz-cta-content h3{font-size:1.5rem}}.puzzle-filter-bar{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f0f23f2;border:1px solid #7877c64d;border-radius:20px;box-shadow:0 16px 48px #0006,0 6px 24px #0000004d;margin-bottom:2rem;overflow:hidden;padding:2rem;position:relative}.puzzle-filter-bar:before{animation:gradientShift 4s ease-in-out infinite;background:linear-gradient(90deg,#7877c6,#ff77c6,#78dbff,#7877c6);background-size:300% 100%;content:"";height:3px;left:0;position:absolute;right:0;top:0}.filter-container{align-items:flex-end;display:flex;flex-wrap:wrap;gap:2rem}.filter-group{gap:.75rem;min-width:200px}.filter-label{color:#a0a0b8;font-size:.95rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.rating-dropdown,.rating-selector{position:relative}.rating-dropdown{align-items:center;background:#0f0f23cc;border:2px solid #7877c64d;border-radius:16px;box-shadow:0 4px 16px #0000004d;color:#a0a0b8;cursor:pointer;display:flex;font-family:inherit;font-weight:600;justify-content:space-between;overflow:hidden;padding:1rem 1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);width:100%}.rating-dropdown:before{background:linear-gradient(90deg,#0000,#7877c61a,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.rating-dropdown:hover:before{left:100%}.rating-dropdown:hover{background:#0f0f23e6;border-color:#7877c680;box-shadow:0 8px 24px #0006;transform:translateY(-2px)}.rating-dropdown:disabled{cursor:not-allowed;opacity:.6;transform:none!important}.rating-dropdown.loading{animation:shimmer 2s infinite;background:linear-gradient(90deg,#0f0f23,#1a1a2e,#0f0f23);background-size:200% 100%}.rating-label{color:#7877c6;font-size:1rem}.rating-range{background:#7877c626;border:1px solid #7877c633;border-radius:12px;color:#a0a0b8;font-size:.9rem;padding:.25rem .75rem}.dropdown-arrow{fill:#7877c6;height:20px;transition:transform .3s ease;width:20px}.rating-dropdown:hover .dropdown-arrow{transform:rotate(180deg)}.rating-options{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f0f23fa;border:2px solid #7877c64d;border-radius:0 0 16px 16px;border-top:none;box-shadow:0 8px 32px #0006;left:0;max-height:300px;opacity:0;overflow-y:auto;pointer-events:none;position:absolute;right:0;top:100%;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1);z-index:1000}.rating-selector:hover .rating-options{opacity:1;pointer-events:all;transform:translateY(0)}.rating-option{align-items:center;background:#0000;border:none;color:#a0a0b8;cursor:pointer;display:flex;font-family:inherit;justify-content:space-between;padding:1rem 1.5rem;text-align:left;transition:all .2s ease;width:100%}.rating-option:hover{background:#7877c61a;color:#7877c6}.rating-option.selected{background:linear-gradient(135deg,#7877c6,#ff77c6);color:#fff}.option-label{font-size:.95rem;font-weight:600}.option-range{font-size:.85rem;opacity:.8}.theme-dropdown,.theme-selector{position:relative}.theme-dropdown{align-items:center;background:#0f0f23cc;border:2px solid #7877c64d;border-radius:16px;box-shadow:0 4px 16px #0000004d;color:#a0a0b8;cursor:pointer;display:flex;font-family:inherit;font-weight:600;justify-content:space-between;overflow:hidden;padding:1rem 1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);width:100%}.theme-dropdown:before{background:linear-gradient(90deg,#0000,#7877c61a,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.theme-dropdown:hover:before{left:100%}.theme-dropdown:hover{border-color:#7877c680;transform:translateY(-2px)}.theme-dropdown.open,.theme-dropdown:hover{background:#0f0f23e6;box-shadow:0 8px 24px #0006}.theme-dropdown.open{border-color:#7877c699}.theme-dropdown.open .dropdown-arrow{transform:rotate(180deg)}.theme-dropdown:disabled{cursor:not-allowed;opacity:.6;transform:none!important}.theme-dropdown.loading{animation:shimmer 2s infinite;background:linear-gradient(90deg,#0f0f23,#1a1a2e,#0f0f23);background-size:200% 100%}.theme-label{color:#7877c6;font-size:1rem}.theme-dropdown-content{animation:slideDown .3s cubic-bezier(.4,0,.2,1);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f0f23fa;border:2px solid #7877c64d;border-radius:0 0 16px 16px;border-top:none;box-shadow:0 8px 32px #0006;left:0;max-height:400px;overflow:hidden;position:absolute;right:0;top:100%;z-index:1000}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.theme-search{border-bottom:1px solid #7877c633;padding:1rem}.theme-search-input{background:#0f0f23cc;border:1px solid #7877c64d;border-radius:12px;color:#a0a0b8;font-family:inherit;font-size:.9rem;padding:.75rem 1rem;transition:all .2s ease;width:100%}.theme-search-input:focus{background:#0f0f23e6;border-color:#7877c699;box-shadow:0 0 0 3px #7877c61a;color:#7877c6;outline:none}.theme-search-input::placeholder{color:#a0a0b8}.theme-options{max-height:300px;overflow-y:auto;padding:.5rem}.theme-option{align-items:center;border-radius:12px;cursor:pointer;display:flex;margin-bottom:.25rem;padding:.75rem 1rem;transition:all .2s ease}.theme-option:hover{background:#7877c61a}.theme-checkbox{accent-color:#7877c6;cursor:pointer;height:18px;margin-right:.75rem;width:18px}.theme-name{color:#a0a0b8;cursor:pointer;font-size:.9rem;font-weight:500}.clear-filters-btn{background:linear-gradient(135deg,#ff77c6,#ff6b6b);border:none;border-radius:16px;box-shadow:0 6px 20px #ff77c666;color:#fff;cursor:pointer;font-family:inherit;font-size:.95rem;font-weight:700;min-width:140px;overflow:hidden;padding:1rem 1.5rem;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1)}.clear-filters-btn:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.clear-filters-btn:hover:before{left:100%}.clear-filters-btn:hover{box-shadow:0 8px 24px #ff77c699;transform:translateY(-2px)}.clear-filters-btn:disabled{cursor:not-allowed;opacity:.6;transform:none!important}.active-filters{border-top:1px solid #7877c633;display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem;padding-top:1.5rem}.active-filter{animation:slideInUp .3s cubic-bezier(.4,0,.2,1);background:linear-gradient(135deg,#7877c6,#ff77c6);border-radius:20px;box-shadow:0 4px 12px #7877c666;font-size:.85rem;font-weight:600;gap:.5rem;padding:.5rem 1rem}.active-filter,.remove-filter{align-items:center;color:#fff;display:flex}.remove-filter{background:#fff3;border:none;border-radius:50%;cursor:pointer;font-size:14px;font-weight:700;height:20px;justify-content:center;transition:all .2s ease;width:20px}.remove-filter:hover{background:#ffffff4d;transform:scale(1.1)}@media (max-width:1024px){.filter-container{flex-direction:column;gap:1.5rem}.filter-group{min-width:auto;width:100%}}@media (max-width:768px){.puzzle-filter-bar{border-radius:16px;padding:1.5rem}.filter-container{gap:1rem}.clear-filters-btn,.rating-dropdown,.theme-dropdown{padding:.75rem 1rem}.clear-filters-btn{min-width:auto;width:100%}.active-filters{gap:.5rem}.active-filter{font-size:.8rem;padding:.4rem .8rem}}@media (max-width:480px){.puzzle-filter-bar{border-radius:12px;padding:1rem}.filter-label,.rating-label,.theme-label{font-size:.9rem}.rating-range{font-size:.8rem}.active-filters{flex-direction:column}.active-filter{justify-content:space-between;width:100%}}.rating-options::-webkit-scrollbar,.theme-options::-webkit-scrollbar{width:6px}.rating-options::-webkit-scrollbar-track,.theme-options::-webkit-scrollbar-track{background:#0f0f2380;border-radius:3px}.rating-options::-webkit-scrollbar-thumb,.theme-options::-webkit-scrollbar-thumb{background:#7fa7ff66;border-radius:3px}.rating-options::-webkit-scrollbar-thumb:hover,.theme-options::-webkit-scrollbar-thumb:hover{background:#7fa7ff99}.enhanced-puzzle-board{background:linear-gradient(135deg,#0f0f23,#1a1a2e 25%,#16213e 50%,#0f3460 75%,#533483);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;margin:0 auto;max-width:1400px;min-height:100vh;overflow-x:hidden;padding:2rem;position:relative}.enhanced-puzzle-board:before{background:radial-gradient(circle at 20% 80%,#7877c64d 0,#0000 50%),radial-gradient(circle at 80% 20%,#ff77c64d 0,#0000 50%),radial-gradient(circle at 40% 40%,#78dbff33 0,#0000 50%);bottom:0;content:"";left:0;pointer-events:none;position:fixed;right:0;top:0;z-index:0}.puzzle-main-area{grid-gap:2.5rem;display:grid;gap:2.5rem;grid-template-columns:1fr 380px;margin-top:2rem;position:relative;z-index:1}.puzzle-board-section{align-items:flex-start;display:flex;justify-content:center}.enhanced-puzzle-board-container{align-items:center;animation:boardGlow 3s ease-in-out infinite alternate;-webkit-backdrop-filter:blur(18px) saturate(1.3);backdrop-filter:blur(18px) saturate(1.3);background:#141828d9;border:2.5px solid #7fa7ff2e;border-radius:32px;box-shadow:0 8px 32px #00000073,0 1.5px 8px #7fa7ff14;display:flex;flex-direction:column;justify-content:center;margin:2.5rem auto 2rem;max-width:480px;padding:2.5rem 2rem 2rem;position:relative;width:100%;z-index:2}@keyframes boardGlow{0%{box-shadow:0 0 32px 0 #7fa7ff33,0 8px 32px #00000073}to{box-shadow:0 0 48px 8px #43e97b44,0 8px 32px #00000073}}.enhanced-puzzle-board-container:before{animation:bgShift 8s ease-in-out infinite alternate;background:linear-gradient(120deg,#7fa7ff22,#43e97b22);border-radius:32px;content:"";inset:0;opacity:.7;pointer-events:none;position:absolute;z-index:0}@keyframes bgShift{0%{background-position:0 50%}to{background-position:100% 50%}}.info-bar{background:linear-gradient(90deg,#7fa7ff,#b388ff 50%,#43e97b);border-radius:2rem;box-shadow:0 2px 16px #7fa7ff33;color:#fff;font-size:1.25rem;font-weight:700;gap:1.2rem;justify-content:center;margin:2.2rem 0 1.2rem;padding:.7rem 2.2rem;position:relative;text-shadow:0 2px 8px #181c2f99;z-index:1}.info-bar,.info-bar span{align-items:center;display:flex}.info-bar span{gap:.4rem}.info-bar .icon{font-size:1.2em;opacity:.85}.puzzle-tags{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center;margin-bottom:1.2rem}.puzzle-tag{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#7fa7ff2e;border:1.5px solid #7fa7ff38;border-radius:999px;box-shadow:0 1px 8px #7fa7ff22;color:#fff;font-size:1.05rem;font-weight:600;letter-spacing:.01em;padding:.32rem 1.2rem;transition:transform .18s,box-shadow .18s;-webkit-user-select:none;user-select:none}.puzzle-tag:hover{background:#43e97b2e;box-shadow:0 2px 16px #43e97b55;transform:scale(1.08)}.puzzle-controls{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center;margin:2.2rem 0 0}.puzzle-controls button{background:#1e2236d9;border:2px solid #7fa7ff2e;border-radius:1.5rem;box-shadow:0 2px 12px #7fa7ff22;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;margin:.2rem 0;overflow:hidden;padding:.9rem 2.2rem;position:relative;transition:transform .18s,box-shadow .18s,background .18s}.puzzle-controls button:before{background:linear-gradient(90deg,#7fa7ff44,#43e97b44);content:"";inset:0;opacity:.12;position:absolute;transition:opacity .18s;z-index:0}.puzzle-controls button:hover{background:#43e97b2e;box-shadow:0 4px 24px #43e97b55;transform:translateY(-2px) scale(1.04)}.puzzle-controls button:active{transform:scale(.98)}.puzzle-controls button .icon{font-size:1.1em;margin-right:.7em;vertical-align:middle}.puzzle-controls .next-btn{background:linear-gradient(90deg,#7fa7ff,#b388ff 50%,#43e97b);border:none;box-shadow:0 2px 16px #7fa7ff33;color:#fff;font-weight:700;transition:background .18s,box-shadow .18s,transform .18s}.puzzle-controls .next-btn:hover{background:linear-gradient(90deg,#43e97b,#7fa7ff);box-shadow:0 4px 24px #43e97b55}.progress-bar{background:#7877c62e;border:1.5px solid #7877c638;border-radius:6px;box-shadow:0 2px 12px #7fa7ff22;height:12px;margin-bottom:.7rem;position:relative}.progress-fill{background:linear-gradient(90deg,#7fa7ff,#b388ff,#43e97b);border-radius:6px;box-shadow:0 2px 8px #43e97b33;position:relative}.chessboard-wrapper{margin-bottom:2.2rem}.puzzle-tags{margin-bottom:1.5rem}.chessboard-wrapper{align-items:center;aspect-ratio:1/1;background:#f0d9b5;border-radius:18px;box-shadow:0 4px 24px #43e97b14;display:flex;margin:0 auto 1.5rem;max-width:420px;overflow:hidden}.chessboard-wrapper,.puzzle-info{justify-content:center;width:100%}.puzzle-info{flex-direction:row;gap:.7rem;margin:1.2rem 0 .5rem}.puzzle-rating{background:linear-gradient(135deg,#7877c6,#ff77c6);border-radius:20px;box-shadow:0 4px 16px #7877c666;color:#fff;display:inline-block;font-size:1rem;font-weight:600;padding:.5rem 1rem}.puzzle-timer{background:#7877c626;border:1px solid #7877c633;border-radius:12px;color:#a0a0b8;display:inline-block;font-size:.9rem;font-weight:500;padding:.25rem .75rem}.puzzle-themes{display:flex;flex-wrap:wrap;gap:.5rem;max-width:200px}.theme-badge{background:linear-gradient(135deg,#78dbff,#7877c6);border:none;border-radius:16px;box-shadow:0 2px 8px #78dbff66;color:#0f0f23;font-size:.75rem;font-weight:600;padding:.25rem .75rem;transition:all .2s ease}.theme-badge:hover{box-shadow:0 4px 12px #78dbff99;transform:translateY(-1px)}.puzzle-progress{margin-bottom:2rem;text-align:center}.progress-text{color:#a0a0b8;font-weight:500}.feedback-message{animation:slideInUp .4s cubic-bezier(.4,0,.2,1);border-radius:16px;font-size:1.2rem;font-weight:700;margin-bottom:2rem;overflow:hidden;padding:1.5rem;position:relative}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.feedback-message.correct{background:linear-gradient(135deg,#78dbff,#7877c6);border:none;box-shadow:0 8px 32px #78dbff66;color:#0f0f23}.feedback-message.correct:before{animation:sparkle 1s ease-in-out infinite;content:"✨";font-size:1.5rem;position:absolute;right:15px;top:10px}@keyframes sparkle{0%,to{transform:scale(1) rotate(0deg)}50%{transform:scale(1.2) rotate(180deg)}}.feedback-message.incorrect{background:linear-gradient(135deg,#ff77c6,#ff6b6b);border:none;box-shadow:0 8px 32px #ff77c666;color:#fff}.feedback-message.incorrect:before{animation:shake .5s ease-in-out;content:"💥";font-size:1.5rem;position:absolute;right:15px;top:10px}@keyframes shake{0%,to{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}.hint-message{animation:hintPulse 2s ease-in-out infinite;background:linear-gradient(135deg,gold,#ffed4e);border:none;border-radius:12px;box-shadow:0 6px 20px #ffd70066;color:#0f0f23;font-size:1rem;font-weight:600;margin-bottom:1.5rem;padding:1rem 1.5rem;position:relative;text-align:center}@keyframes hintPulse{0%,to{box-shadow:0 6px 20px #ffd70066;transform:scale(1)}50%{box-shadow:0 8px 25px #ffd70099;transform:scale(1.02)}}.control-btn{border:none;border-radius:16px;cursor:pointer;font-family:inherit;font-size:.95rem;font-weight:700;min-width:140px;overflow:hidden;padding:1rem 1.5rem;position:relative;text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1)}.control-btn:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.control-btn:hover:before{left:100%}.control-btn:disabled{cursor:not-allowed;opacity:.5;transform:none!important}.control-btn.primary{background:linear-gradient(135deg,#7877c6,#ff77c6);box-shadow:0 8px 24px #7877c666;color:#fff}.control-btn.primary:hover:not(:disabled){box-shadow:0 12px 32px #7877c699;transform:translateY(-3px)}.control-btn.secondary{background:#0f0f23cc;border:2px solid #7877c64d;box-shadow:0 4px 16px #0000004d;color:#a0a0b8}.control-btn.secondary:hover:not(:disabled){background:#0f0f23e6;border-color:#7877c699;box-shadow:0 8px 24px #0006;color:#7877c6;transform:translateY(-2px)}.completion-message{animation:celebration .6s cubic-bezier(.4,0,.2,1);background:linear-gradient(135deg,#78dbff,#7877c6);border-radius:20px;box-shadow:0 12px 32px #78dbff66;color:#0f0f23;margin-bottom:2rem;padding:2rem;text-align:center}@keyframes celebration{0%{opacity:0;transform:scale(.8) rotate(-5deg)}50%{transform:scale(1.05) rotate(2deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}.completion-message h3{font-size:1.8rem;font-weight:800;margin-bottom:1rem;text-shadow:0 2px 4px #0003}.completion-message p{font-size:1.1rem;font-weight:600;margin:.5rem 0;opacity:.9}.puzzle-sidebar{display:flex;flex-direction:column;gap:2rem;position:-webkit-sticky;position:sticky;top:2rem}.stats-panel{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f0f23f2;border:1px solid #7877c64d;border-radius:20px;box-shadow:0 16px 48px #0006,0 6px 24px #0000004d;overflow:hidden;padding:2rem;position:relative}.stats-panel:before{background:linear-gradient(90deg,#7877c6,#ff77c6);content:"";height:3px;left:0;position:absolute;right:0;top:0}.stats-panel h3{color:#7877c6;font-size:1.4rem;font-weight:700;margin-bottom:1.5rem;text-align:center;text-shadow:0 2px 8px #7877c64d}.stats-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:1fr 1fr}.stat-item{background:#7877c61a;border:1px solid #7877c633;border-radius:16px;cursor:pointer;padding:1.5rem 1rem;text-align:center;transition:all .3s ease}.stat-item:hover{background:#7877c626;border-color:#7877c666;box-shadow:0 8px 24px #7877c633;transform:translateY(-2px)}.stat-value{color:#7877c6;display:block;font-size:2rem;font-weight:800;margin-bottom:.5rem;text-shadow:0 2px 8px #7877c666}.stat-label{color:#a0a0b8;font-size:.9rem;letter-spacing:.5px}.puzzle-details{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f0f23f2;border:1px solid #7877c64d;border-radius:20px;box-shadow:0 16px 48px #0006,0 6px 24px #0000004d;overflow:hidden;padding:2rem;position:relative}.puzzle-details:before{background:linear-gradient(90deg,#78dbff,#7877c6);content:"";height:3px;left:0;position:absolute;right:0;top:0}.puzzle-details h3{color:#78dbff;font-size:1.4rem;font-weight:700;margin-bottom:1.5rem;text-align:center;text-shadow:0 2px 8px #78dbff4d}.detail-item{align-items:center;border-bottom:1px solid #7877c633;display:flex;justify-content:space-between;padding:1rem 0}.detail-item:last-child{border-bottom:none;padding-bottom:0}.detail-label{color:#a0a0b8;font-size:.95rem;font-weight:600}.detail-value{color:#7877c6;font-size:1rem;font-weight:700}.themes-list{display:flex;flex-wrap:wrap;gap:.5rem;max-width:200px}.theme-tag{background:linear-gradient(135deg,#78dbff,#7877c6);border-radius:12px;box-shadow:0 2px 8px #78dbff66;color:#0f0f23;font-size:.75rem;font-weight:600;padding:.25rem .75rem}.puzzle-loading{color:#a0a0b8;padding:4rem 2rem}.loading-spinner{border:4px solid #7877c633;border-top-color:#7877c6;height:60px;margin:0 auto 1.5rem;width:60px}.puzzle-loading p{color:#7877c6;font-size:1.1rem;font-weight:600}.puzzle-error{color:#ff77c6;padding:3rem 2rem}.puzzle-error h3{color:#ff77c6;font-size:1.5rem;font-weight:700}.puzzle-error p{color:#a0a0b8;font-size:1rem;margin-bottom:2rem}.retry-btn{background:linear-gradient(135deg,#7877c6,#ff77c6);border:none;border-radius:12px;box-shadow:0 6px 20px #7877c666;font-weight:700;padding:1rem 2rem;transition:all .3s ease}.retry-btn:hover{box-shadow:0 8px 24px #7877c699;transform:translateY(-2px)}.achievement-toast{animation:slideInRight .5s cubic-bezier(.4,0,.2,1);background:linear-gradient(135deg,gold,#ffed4e);border-radius:16px;box-shadow:0 12px 32px #ffd70066;color:#0f0f23;font-size:1.1rem;font-weight:700;padding:1.5rem 2rem;position:fixed;right:2rem;top:2rem;z-index:1000}@keyframes slideInRight{0%{opacity:0;transform:translateX(100%)}to{opacity:1;transform:translateX(0)}}@media (max-width:1200px){.puzzle-main-area{gap:2rem;grid-template-columns:1fr 320px}}@media (max-width:1024px){.puzzle-main-area{gap:2rem;grid-template-columns:1fr}.puzzle-sidebar{order:-1;position:static}.stats-grid{grid-template-columns:repeat(4,1fr)}}@media (max-width:768px){.enhanced-puzzle-board{padding:1rem}.puzzle-board-container{border-radius:16px;padding:1.5rem}.puzzle-header{align-items:flex-start;flex-direction:column;gap:1rem}.puzzle-controls{grid-template-columns:repeat(2,1fr)}.control-btn{font-size:.9rem;padding:.75rem 1rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.puzzle-sidebar{gap:1.5rem}.puzzle-details,.stats-panel{padding:1.5rem}}@media (max-width:480px){.puzzle-board-container{border-radius:12px;padding:1rem}.chessboard-wrapper{margin-bottom:1.5rem}.puzzle-controls{grid-template-columns:1fr}.control-btn{min-width:auto}.stats-grid{grid-template-columns:1fr}.stat-item{padding:1rem}.stat-value{font-size:1.5rem}.achievement-toast{left:1rem;right:1rem;text-align:center;top:1rem}}@media (max-width:600px){.enhanced-puzzle-board-container{border-radius:18px;max-width:98vw;padding:1.2rem .5rem}.chessboard-wrapper{border-radius:10px;max-width:98vw}.info-bar{flex-direction:column;gap:.7rem;padding:.7rem 1rem}}.puzzles-page{background:linear-gradient(135deg,#0f0f23,#1a1a2e 25%,#16213e 50%,#0f3460 75%,#0f4c75);color:#fff;min-height:100vh;overflow-x:hidden;position:relative}.puzzles-page:before{background:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cdefs%3E%3Cpattern id='a' x='0' y='0' width='20' height='20' patternUnits='userSpaceOnUse'%3E%3Cpath fill='rgba(127,167,255,0.02)' d='M0 0h10v10H0zM10 10h10v10H10z'/%3E%3C/pattern%3E%3C/defs%3E%3Cpath fill='url(%23a)' d='M0 0h100v100H0z'/%3E%3C/svg%3E");bottom:0;content:"";left:0;opacity:.3;pointer-events:none;position:absolute;right:0;top:0}.puzzles-hero{background:linear-gradient(135deg,#7fa7ff1a,#43e97b1a);border-bottom:1px solid #7fa7ff33;overflow:hidden;padding:4rem 2rem;position:relative;text-align:center}.puzzles-hero:before{animation:shimmer 3s ease-in-out infinite;background:linear-gradient(45deg,#7fa7ff0d,#0000 50%,#43e97b0d);bottom:0;content:"";left:0;position:absolute;right:0;top:0}@keyframes shimmer{0%,to{transform:translateX(-100%)}50%{transform:translateX(100%)}}.puzzles-hero-content{margin:0 auto;max-width:800px;position:relative;z-index:2}.puzzles-title{-webkit-text-fill-color:#0000;animation:titleGlow 2s ease-in-out infinite alternate;background:linear-gradient(135deg,#7fa7ff,#43e97b 50%,gold);-webkit-background-clip:text;background-clip:text;font-size:4rem;font-weight:800;margin-bottom:1.5rem;text-shadow:0 4px 20px #7fa7ff4d}@keyframes titleGlow{0%{filter:drop-shadow(0 0 20px rgba(127,167,255,.3))}to{filter:drop-shadow(0 0 30px rgba(127,167,255,.5))}}.puzzles-subtitle{color:#b8c5d6;font-size:1.3rem;font-weight:400;line-height:1.6;margin-bottom:2rem}.container{margin:0 auto;max-width:1400px;padding:0 2rem;position:relative;z-index:2}.custom-puzzle-section{background:#23263a80;padding:3rem 0}.custom-puzzle-section h2{color:#7fa7ff;margin-bottom:.5rem;text-align:center}.custom-puzzle-section p{color:#b8c5d6;margin-bottom:2rem;text-align:center}.custom-url-form{display:flex;flex-wrap:wrap;gap:1rem;margin:0 auto;max-width:600px}.custom-url-input{background:#1a1a2e;border:2px solid #444;border-radius:8px;color:#fff;flex:1 1;font-size:1rem;min-width:300px;padding:12px 16px}.custom-url-input:focus{border-color:#7fa7ff;outline:none}.custom-url-btn{background:linear-gradient(135deg,#7fa7ff,#43e97b);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:12px 24px;transition:transform .2s}.custom-url-btn:hover{transform:translateY(-2px)}.current-puzzle-section{padding:3rem 0}.current-puzzle-section h2{color:#7fa7ff;margin-bottom:2rem;text-align:center}.puzzle-embed-container{background:#23263acc;border-radius:16px;box-shadow:0 8px 32px #0000004d;padding:2rem}.puzzle-categories{background:#23263a4d;padding:3rem 0}.puzzle-categories h2{color:#7fa7ff;margin-bottom:2rem;text-align:center}.categories-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(350px,1fr))}.category-card{background:#23263acc;border:1px solid #7fa7ff33;border-radius:16px;box-shadow:0 8px 32px #0000004d;padding:2rem}.category-card h3{color:#7fa7ff;font-size:1.3rem;margin-bottom:.5rem}.category-card p{color:#b8c5d6;line-height:1.5;margin-bottom:1.5rem}.puzzle-list{display:flex;flex-direction:column;gap:.5rem}.puzzle-btn{background:#7fa7ff1a;border:1px solid #7fa7ff4d;border-radius:8px;color:#fff;cursor:pointer;padding:10px 16px;text-align:left;transition:all .2s}.puzzle-btn:hover{background:#7fa7ff33;border-color:#7fa7ff}.puzzle-btn.active{background:linear-gradient(135deg,#7fa7ff,#43e97b);border-color:#0000;color:#fff}.puzzle-tips{background:#7fa7ff05;border-top:1px solid #7fa7ff1a;padding:4rem 0}.puzzle-tips h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#7fa7ff,#43e97b);-webkit-background-clip:text;background-clip:text;color:#7fa7ff;font-size:2.5rem;font-weight:700;margin-bottom:3rem;text-align:center}.tips-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-top:2rem}.tip-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #7fa7ff33;border-radius:20px;overflow:hidden;padding:2rem;position:relative;text-align:center;transition:all .3s ease}.tip-card:before{animation:gradientShift 3s ease-in-out infinite;background:linear-gradient(90deg,#7fa7ff,#43e97b);background-size:200% 100%;content:"";height:3px;left:0;position:absolute;right:0;top:0}.tip-card:hover{border-color:#7fa7ff66;box-shadow:0 20px 40px #7fa7ff33;transform:translateY(-8px)}.tip-card h3{color:#7fa7ff;font-size:1.5rem;font-weight:700;margin-bottom:1rem}.tip-card h3,.tip-card p{position:relative;z-index:2}.tip-card p{color:#b8c5d6;font-size:1rem;line-height:1.6}.puzzles-stats{display:flex;flex-wrap:wrap;gap:4rem;justify-content:center;margin:3rem 0}.stat{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #7fa7ff33;border-radius:16px;padding:2rem;text-align:center;transition:transform .3s ease}.stat:hover{transform:translateY(-5px)}.stat-number{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#7fa7ff,#43e97b);-webkit-background-clip:text;background-clip:text;display:block;font-size:3rem;font-weight:800;margin-bottom:.5rem}.stat-label{color:#b8c5d6;font-size:1rem;font-weight:600;letter-spacing:2px;text-transform:uppercase}.puzzle-filters{background:#23263a80;padding:2rem 0}.filter-controls{display:flex;flex-wrap:wrap;gap:2rem;margin-bottom:1.5rem}.filter-group{display:flex;flex-direction:column;gap:.5rem}.filter-group label{color:#7fa7ff;font-size:.9rem;font-weight:600}.filter-select{background:#1a1a2e;border:2px solid #444;border-radius:8px;color:#fff;font-size:1rem;min-width:150px;padding:8px 12px}.filter-select:focus{border-color:#7fa7ff;outline:none}.puzzle-info{align-items:center;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}.puzzle-counter{color:#b8c5d6;font-weight:600}.puzzle-navigation{display:flex;gap:1rem}.nav-btn{background:#7fa7ff1a;border:1px solid #7fa7ff4d;border-radius:8px;color:#fff;cursor:pointer;padding:8px 16px;transition:all .2s}.nav-btn:hover:not(:disabled){background:#7fa7ff33;border-color:#7fa7ff}.nav-btn:disabled{cursor:not-allowed;opacity:.5}.puzzle-display{padding:3rem 0}.no-puzzles{color:#b8c5d6;padding:3rem;text-align:center}.no-puzzles h3{color:#7fa7ff;margin-bottom:1rem}.puzzle-board{background:#23263acc;border:1px solid #7fa7ff33;border-radius:16px;box-shadow:0 8px 32px #0000004d;padding:2rem}.puzzle-header{margin-bottom:2rem;text-align:center}.puzzle-header h3{color:#7fa7ff;font-size:1.5rem;margin-bottom:.5rem}.puzzle-meta{display:flex;gap:1rem;justify-content:center;margin-bottom:1rem}.category-badge,.difficulty-badge{border-radius:20px;font-size:.8rem;font-weight:600;padding:4px 12px;text-transform:uppercase}.difficulty-badge{background:#43e97b33;border:1px solid #43e97b4d;color:#43e97b}.category-badge{background:#7fa7ff33;border:1px solid #7fa7ff4d;color:#7fa7ff}.puzzle-description{color:#b8c5d6;font-style:italic}.puzzle-board-container{display:flex;justify-content:center;margin-bottom:2rem}.puzzle-controls{margin-bottom:2rem;text-align:center}.feedback-message{margin-bottom:1rem}.control-buttons{flex-wrap:wrap;gap:1rem}.hint-btn,.next-btn,.reset-btn,.solution-btn{border:none;border-radius:8px;cursor:pointer;font-weight:600;padding:10px 20px;transition:all .2s}.hint-btn{background:#ffc10733;border:1px solid #ffc1074d;color:#ffc107}.hint-btn:hover{background:#ffc1074d}.reset-btn{background:#dc354533;border:1px solid #dc35454d;color:#dc3545}.reset-btn:hover{background:#dc35454d}.solution-btn{background:#6c757d33;border:1px solid #6c757d4d;color:#6c757d}.solution-btn:hover{background:#6c757d4d}.next-btn{background:linear-gradient(135deg,#7fa7ff,#43e97b);color:#fff}.next-btn:hover{transform:translateY(-2px)}.solution-section{background:#23263a80;border:1px solid #43e97b33;border-radius:12px;margin-top:2rem;padding:1.5rem}.solution-section h4{color:#43e97b;margin-bottom:1rem}.solution-moves{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.move{background:#43e97b1a;border-radius:4px;color:#43e97b;font-family:monospace;font-weight:600;padding:4px 8px}.explanation{color:#b8c5d6;line-height:1.6;margin:0}.progress-indicator{margin-top:2rem;text-align:center}.progress-bar{background:#7fa7ff1a;border-radius:4px;height:8px;margin-bottom:.5rem;overflow:hidden;width:100%}.progress-fill{background:linear-gradient(135deg,#7fa7ff,#43e97b);height:100%;transition:width .3s ease}.progress-text{color:#b8c5d6;font-size:.9rem}.puzzle-loading{color:#b8c5d6;padding:3rem;text-align:center}.loading-spinner{border:4px solid #7fa7ff1a;border-left-color:#7fa7ff;margin:0 auto 1rem}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.puzzle-error{color:#b8c5d6;padding:3rem;text-align:center}.puzzle-error h3{color:#dc3545;margin-bottom:1rem}.retry-btn{background:#7fa7ff1a;border:1px solid #7fa7ff4d;border-radius:8px;color:#fff;cursor:pointer;margin-top:1rem;padding:10px 20px;transition:all .2s}.retry-btn:hover{background:#7fa7ff33;border-color:#7fa7ff}.rating-badge{background:#43e97b33;border:1px solid #43e97b4d;border-radius:20px;color:#43e97b}.rating-badge,.themes-badge{font-size:.8rem;font-weight:600;padding:4px 12px}.themes-badge{background:#ffc10733;border:1px solid #ffc1074d;border-radius:20px;color:#ffc107;text-transform:capitalize}@media (max-width:1024px){.puzzles-title{font-size:3rem}.tips-grid{gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.puzzles-stats{gap:2rem}}@media (max-width:768px){.puzzles-hero{padding:3rem 1rem}.puzzles-title{font-size:2.5rem}.puzzles-subtitle{font-size:1.1rem}.container{padding:0 1rem}.puzzle-display{padding:2rem 0}.modern-board-card{border-radius:16px;padding:1.5rem}.board-title{font-size:1.5rem}.puzzle-tips{padding:3rem 0}.puzzle-tips h2{font-size:2rem}.tips-grid{gap:1rem;grid-template-columns:1fr}.tip-card{padding:1.5rem}.puzzles-stats{flex-direction:column;gap:1rem}.stat{padding:1.5rem}.stat-number{font-size:2.5rem}}@media (max-width:480px){.puzzles-hero{padding:2rem 1rem}.puzzles-title{font-size:2rem}.puzzles-subtitle{font-size:1rem}.modern-board-card,.tip-card{padding:1rem}.tip-card h3{font-size:1.3rem}.stat-number{font-size:2rem}}.modern-board-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff05;border:1px solid #7fa7ff1a;border-radius:24px;box-shadow:0 20px 60px #0000004d;overflow:hidden;padding:2rem;position:relative}.modern-board-card:before{animation:gradientShift 3s ease-in-out infinite;background:linear-gradient(90deg,#7fa7ff,#43e97b,gold,#ff6b6b);background-size:200% 100%;content:"";height:4px;left:0;position:absolute;right:0;top:0}@keyframes gradientShift{0%,to{background-position:0 50%}50%{background-position:100% 50%}}.board-title{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#7fa7ff,#43e97b);-webkit-background-clip:text;background-clip:text;color:#7fa7ff;font-size:2rem;font-weight:700;margin-bottom:2rem;text-align:center}.board-status-bar{align-items:center;color:#b8c5d6;display:flex;flex-wrap:wrap;font-size:1.1rem;gap:1.2rem;justify-content:center;margin-bottom:1.2rem}.status-check{color:gold;font-weight:700}.status-checkmate{color:#ff6161;font-weight:700}.status-stalemate{color:#43e97b;font-weight:700}.status-draw{color:#b8c5d6;font-weight:700}.modern-board-container{justify-content:center;margin-bottom:1.5rem}.modern-board-container,.modern-board-inner{align-items:center;display:flex;flex-direction:column;width:100%}.puzzle-board-chessboard{display:flex;justify-content:center;margin-bottom:1.5rem;width:100%}.modern-board-controls{align-items:center;display:flex;flex-direction:column;gap:.7rem;width:100%}.control-buttons{display:flex;gap:1.2rem;justify-content:center;margin-top:.5rem}.modern-btn{border:none;border-radius:8px;box-shadow:0 2px 8px #7fa7ff1a;cursor:pointer;font-size:1.1rem;font-weight:600;padding:.7rem 2rem;transition:background .18s,transform .18s,box-shadow .18s}.modern-btn.primary{background:linear-gradient(90deg,#7fa7ff,#43e97b);color:#fff}.modern-btn.primary:hover{background:linear-gradient(90deg,#43e97b,#7fa7ff);transform:translateY(-2px) scale(1.04)}.modern-btn.secondary{background:#23273a;border:2px solid #7fa7ff;color:#7fa7ff}.modern-btn.secondary:hover{background:#7fa7ff;color:#23273a}.feedback-message{color:#b8c5d6;font-size:1.1rem;font-weight:600;margin-bottom:.5rem;min-height:1.5rem;text-align:center}@media (max-width:600px){.modern-board-card{max-width:98vw;padding:1rem .5rem}.modern-board-container,.puzzle-board-chessboard{min-width:0;width:100%}.control-buttons{flex-direction:column;gap:.7rem}}body{box-sizing:border-box;font-family:Inter,Segoe UI,Arial,sans-serif;margin:0;padding:0}.App{background:var(--background);color:var(--text-primary);display:flex;flex-direction:column;min-height:100vh;transition:background-color .3s ease,color .3s ease}.main-content{display:flex;flex:1 1;flex-direction:column;margin:0 auto;max-width:1200px;padding:2.5rem 1rem 2rem;width:100%}.page{background:var(--card-bg);border-radius:1.25rem;box-shadow:var(--shadow);margin:2rem 0;padding:2.5rem 2rem}.page,.page h1{color:var(--text-primary)}.page h1{font-size:2.5rem;letter-spacing:1px;margin-bottom:1.2rem}.page p{color:var(--text-secondary);font-size:1.2rem;margin-bottom:2rem}.back-link{background:var(--card-bg);border:1px solid var(--border-color);border-radius:1.25rem;color:var(--primary-color);font-weight:600;padding:.7rem 1.5rem;text-decoration:none;transition:background .2s,color .2s}.back-link:hover{background:var(--primary-color);color:#fff}@media (max-width:900px){.main-content{padding:1.5rem .5rem 1rem}}@media (max-width:600px){.main-content{padding:.5rem .2rem 1rem}.page{padding:1.2rem .5rem}.page h1{font-size:1.5rem}}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.page-transition{display:flex;flex:1 1;flex-direction:column}.page-transition.animate-fade-in{animation:fadeIn .6s ease-out}.skip-to-content{background:var(--primary-color);border-radius:4px;color:#fff;font-weight:600;left:6px;padding:8px 16px;position:absolute;text-decoration:none;top:-40px;transition:top .3s ease;z-index:1000}.skip-to-content:focus{top:6px}.loading-container{align-items:center;display:flex;justify-content:center;min-height:200px}.loading-spinner{animation:spin 1s linear infinite;border-top:4px solid var(--border-color);border:4px solid var(--border-color);border-radius:50%;border-top-color:var(--primary-color);height:40px;width:40px}.error-container{color:var(--error-color);padding:48px 24px;text-align:center}.error-icon{display:block;font-size:3rem;margin-bottom:16px}.error-title{font-size:1.5rem;font-weight:700;margin-bottom:8px}.error-message{color:var(--text-secondary);margin-bottom:24px}.error-action{background:var(--primary-color);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:12px 24px;transition:all .2s ease}.error-action:hover{background:var(--primary-dark);transform:translateY(-2px)}.focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.sr-only{clip:rect(0,0,0,0);border:0;height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}@media (prefers-contrast:high){:root{--border-color:#000;--text-secondary:#000}[data-theme=dark]{--border-color:#fff;--text-secondary:#fff}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.page-transition{animation:none!important}}@media print{.footer,.mobile-menu,.navbar{display:none!important}.main-content{margin:0!important;padding:0!important}*{background:#fff!important;box-shadow:none!important;color:#000!important}}@media (max-width:768px){.main-content{padding-top:0}.page-transition{animation-duration:.4s}}[data-theme=dark] .App,[data-theme=dark] .main-content{background:var(--background)}.animate-fade-in,.animate-fade-in-down,.animate-fade-in-left,.animate-fade-in-right,.animate-fade-in-up,.page-transition{will-change:transform,opacity}html{scroll-behavior:smooth}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}*{scrollbar-color:var(--border-color) var(--bg-secondary);scrollbar-width:thin}
/*# sourceMappingURL=main.020fab65.css.map*/