@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap";:root{--bg: #0b0d17;--bg-elevated: #10132a;--surface: rgba(25, 30, 55, .6);--surface-border: rgba(255, 255, 255, .07);--surface-hover: rgba(78, 205, 196, .08);--teal: #4ecdc4;--teal-glow: rgba(78, 205, 196, .35);--teal-dim: rgba(78, 205, 196, .12);--gold: #f4c542;--text: #e8e8f0;--text-muted: rgba(180, 180, 210, .7);--text-dim: rgba(140, 140, 170, .5);--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-display: "Playfair Display", Georgia, serif;--radius: 14px;--radius-sm: 10px;--radius-xs: 6px;--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{width:100%;height:100%;position:relative;overflow:hidden}.particles{position:absolute;inset:0;pointer-events:none;z-index:0}.landing{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:2rem;position:relative}.landing-content{display:flex;flex-direction:column;align-items:center;max-width:580px;text-align:center;position:relative;z-index:1}.eye-icon{width:160px;height:80px;margin-bottom:2.2rem;filter:drop-shadow(0 0 30px rgba(78,205,196,.25));animation:eyeFloat 6s ease-in-out infinite,fadeSlideUp .8s var(--ease-out) both}.landing h1{font-family:var(--font-display);font-size:3.4rem;font-weight:700;letter-spacing:-.03em;margin-bottom:.6rem;background:linear-gradient(135deg,#fff 20%,#4ecdc4 80%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeSlideUp .8s var(--ease-out) .1s both}.landing .subtitle{font-size:1.15rem;color:var(--text-muted);line-height:1.7;margin-bottom:2.8rem;font-weight:300;max-width:440px;animation:fadeSlideUp .8s var(--ease-out) .2s both}.actions{display:flex;gap:1rem;margin-bottom:2.8rem;flex-wrap:wrap;justify-content:center;animation:fadeSlideUp .8s var(--ease-out) .3s both}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.6rem;border:none;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.95rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .3s var(--ease);position:relative;overflow:hidden}.btn:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.1),transparent);pointer-events:none}.btn svg{width:18px;height:18px;flex-shrink:0}.btn-primary{background:var(--teal);color:#0b0d17;box-shadow:0 4px 20px #4ecdc440}.btn-primary:hover{background:#62e0d8;transform:translateY(-2px);box-shadow:0 6px 28px #4ecdc459}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#4ecdc41a;color:var(--teal);border:1px solid rgba(78,205,196,.25)}.btn-secondary:hover{background:#4ecdc42e;transform:translateY(-2px);border-color:#4ecdc466}.btn .spinner{width:16px;height:16px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.demos-section{animation:fadeSlideUp .8s var(--ease-out) .4s both}.demos-label{font-size:.82rem;color:var(--text-dim);margin-bottom:1rem;text-transform:uppercase;letter-spacing:.1em;font-weight:500}.demos-grid{display:flex;gap:.75rem;justify-content:center}.demo-thumb{width:130px;height:85px;border-radius:var(--radius-sm);overflow:hidden;border:2px solid rgba(255,255,255,.06);cursor:pointer;background:#ffffff08;padding:0;transition:all .3s var(--ease);position:relative}.demo-thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.4));pointer-events:none;border-radius:inherit}.demo-thumb:hover{border-color:var(--teal);transform:scale(1.06) translateY(-2px);box-shadow:0 8px 24px #0000004d}.demo-thumb img{width:100%;height:100%;object-fit:cover;display:block}.demo-thumb .demo-label{position:absolute;bottom:4px;left:0;right:0;font-size:.65rem;color:#fffc;text-align:center;z-index:1;font-weight:500}.demo-thumb.loading{opacity:.5;pointer-events:none}.drop-zone{position:fixed;inset:0;z-index:1000;background:#0b0d17eb;display:none;align-items:center;justify-content:center;backdrop-filter:blur(8px)}.drop-zone.visible{display:flex}.drop-zone-inner{padding:4rem 6rem;border:3px dashed var(--teal);border-radius:24px;text-align:center;animation:scaleIn .2s var(--ease-spring)}.drop-zone-inner svg{width:48px;height:48px;color:var(--teal);margin-bottom:1rem}.drop-zone-inner p{font-size:1.2rem;font-weight:500;color:var(--text)}.drop-zone-inner span{font-size:.85rem;color:var(--text-muted);display:block;margin-top:.4rem}.camera-view{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000;position:relative}.camera-view video{max-width:100%;max-height:75vh;border-radius:var(--radius)}.camera-controls{position:absolute;bottom:2rem;display:flex;gap:1.25rem;align-items:center}.btn-capture{width:68px;height:68px;border-radius:50%;border:4px solid #fff;background:transparent;cursor:pointer;position:relative;transition:all .3s var(--ease)}.btn-capture:after{content:"";position:absolute;inset:5px;border-radius:50%;background:#fff;transition:all .3s var(--ease)}.btn-capture:hover:after{background:var(--teal)}.btn-cancel{background:#ffffff1f;color:#fff;border:none;padding:.6rem 1.2rem;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.9rem;cursor:pointer}.processing{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center;animation:fadeIn .5s ease}.processing-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.25) saturate(.6)}.processing-overlay{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:2rem}.scanline{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}.scanline:after{content:"";position:absolute;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--teal),transparent);box-shadow:0 0 20px var(--teal),0 0 60px #4ecdc44d;animation:scanMove 3s ease-in-out infinite}.download-bar{width:360px;text-align:center}.download-bar p{font-size:.85rem;color:var(--text-muted);margin-bottom:.75rem}.download-track{height:4px;background:#ffffff14;border-radius:2px;overflow:hidden}.download-fill{height:100%;background:linear-gradient(90deg,var(--teal),#62e0d8);border-radius:2px;width:0%;transition:width .2s ease;box-shadow:0 0 12px var(--teal-glow)}.timeline{display:flex;flex-direction:column;position:relative;background:#0b0d1799;padding:1.2rem 1.5rem;border-radius:var(--radius);backdrop-filter:blur(12px);border:1px solid var(--surface-border)}.timeline:before{content:"";position:absolute;left:calc(1.5rem + 15px);top:calc(1.2rem + 32px);bottom:calc(1.2rem + 16px);width:2px;background:#ffffff0f}.timeline-step{display:flex;align-items:center;gap:1rem;padding:.6rem 0;opacity:.3;transition:opacity .4s var(--ease)}.timeline-step.active{opacity:1}.timeline-step.done{opacity:.85}.step-dot{width:32px;height:32px;border-radius:50%;border:2px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;position:relative;z-index:1;background:var(--bg);transition:all .4s var(--ease);flex-shrink:0}.step-dot-inner{width:12px;height:12px;border-radius:50%;background:#ffffff26;transition:all .4s var(--ease)}.timeline-step.active .step-dot{border-color:var(--teal);box-shadow:0 0 20px var(--teal-glow),0 0 40px #4ecdc426}.timeline-step.active .step-dot-inner{background:var(--teal);animation:pulse 1.4s ease-in-out infinite}.timeline-step.done .step-dot{border-color:var(--teal);background:var(--teal)}.timeline-step.done .step-dot-inner{width:14px;height:14px;background:var(--bg);border-radius:2px;clip-path:polygon(20% 55%,40% 75%,80% 30%,85% 38%,40% 85%,15% 60%);animation:none}.step-info{display:flex;flex-direction:column;gap:.05rem}.step-label{font-size:.92rem;font-weight:500}.step-status{font-size:.72rem;color:var(--text-dim)}.timeline-step.active .step-status{color:var(--teal)}.timeline-step.done .step-status{color:#4ecdc4b3}.exploration{width:100%;height:100%;display:flex;position:relative;animation:fadeIn .7s ease;background:var(--bg)}.canvas-container{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:3rem 1rem 5rem;min-width:0;position:relative}.canvas-stack{position:relative;max-width:100%;max-height:100%;border-radius:var(--radius-xs);overflow:hidden;box-shadow:0 8px 40px #0006}.canvas-stack canvas,.canvas-stack svg{position:absolute;top:0;left:0;width:100%;height:100%;transition:opacity .4s var(--ease);pointer-events:none}.canvas-stack canvas.base-layer{position:relative;display:block}.canvas-stack canvas.glow-layer{filter:blur(4px);mix-blend-mode:screen}.stats-bar{position:absolute;top:3.5rem;left:50%;transform:translate(-50%);display:flex;gap:.6rem;align-items:center;padding:.4rem 1rem;border-radius:20px;background:#0b0d17b3;backdrop-filter:blur(12px);border:1px solid var(--surface-border);font-size:.72rem;color:var(--text-muted);z-index:10;white-space:nowrap;animation:fadeSlideDown .5s var(--ease-out) .3s both}.stats-bar .stat-value{color:var(--teal);font-weight:600}.stats-bar .stat-sep{color:var(--text-dim)}.layer-panel{width:230px;padding:3.5rem .75rem 1rem;display:flex;flex-direction:column;gap:.45rem;overflow-y:auto;z-index:10;flex-shrink:0}.layer-card{display:flex;align-items:center;gap:.55rem;padding:.55rem .65rem;border-radius:var(--radius-sm);background:var(--surface);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--surface-border);transition:all .3s var(--ease);cursor:pointer;user-select:none}.layer-card:hover{border-color:#4ecdc440;background:var(--surface-hover)}.layer-card.active-layer{border-color:#4ecdc466}.layer-thumb{width:36px;height:24px;border-radius:4px;overflow:hidden;flex-shrink:0;border:1px solid rgba(255,255,255,.06)}.layer-thumb canvas{width:100%;height:100%;display:block;object-fit:cover}.layer-info{flex:1;display:flex;align-items:center;gap:.3rem;min-width:0}.layer-label{font-size:.78rem;font-weight:500;white-space:nowrap}.layer-shortcut{font-size:.6rem;font-weight:600;color:var(--text-dim);background:#ffffff0f;padding:.1rem .35rem;border-radius:3px;font-family:var(--font-body);line-height:1.4}.toggle{position:relative;width:34px;height:18px;flex-shrink:0}.toggle input{display:none}.toggle-slider{position:absolute;inset:0;background:#ffffff1a;border-radius:9px;cursor:pointer;transition:all .3s var(--ease)}.toggle-slider:before{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:all .3s var(--ease);box-shadow:0 1px 3px #0000004d}.toggle input:checked+.toggle-slider{background:var(--teal)}.toggle input:checked+.toggle-slider:before{transform:translate(16px)}.blend-bar{position:absolute;bottom:1rem;left:50%;transform:translate(-50%);width:min(360px,55vw);z-index:10;display:flex;flex-direction:column;align-items:center;gap:.35rem;animation:fadeSlideUp .5s var(--ease-out) .4s both}.blend-label{font-size:.72rem;font-weight:700;color:var(--teal);letter-spacing:.1em;text-transform:uppercase}.blend-slider{width:100%;-webkit-appearance:none;appearance:none;height:5px;background:linear-gradient(90deg,rgba(255,255,255,.12),var(--teal));border-radius:3px;outline:none}.blend-slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;cursor:pointer;border:3px solid var(--teal);box-shadow:0 0 12px var(--teal-glow);transition:box-shadow .2s ease}.blend-slider::-webkit-slider-thumb:hover{box-shadow:0 0 20px var(--teal-glow)}.blend-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;cursor:pointer;border:3px solid var(--teal);box-shadow:0 0 12px var(--teal-glow)}.blend-endpoints{display:flex;justify-content:space-between;width:100%;font-size:.6rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em}.annotation{position:absolute;bottom:4.5rem;left:1.5rem;max-width:420px;padding:.9rem 1.15rem;border-radius:var(--radius-sm);background:#0f1223bf;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--surface-border);border-left:3px solid var(--gold);z-index:10;animation:slideUp .35s var(--ease-out);font-size:.8rem;line-height:1.7;color:var(--text-muted)}.annotation em{font-style:normal;color:var(--teal);font-weight:500}.segment-tooltip{position:fixed;padding:.35rem .75rem;background:#0b0d17eb;color:var(--text);font-size:.75rem;border-radius:var(--radius-xs);pointer-events:none;z-index:100;white-space:nowrap;border:1px solid rgba(78,205,196,.25);box-shadow:0 4px 16px #0006;backdrop-filter:blur(8px)}.top-bar{position:absolute;top:.75rem;left:.75rem;right:.75rem;display:flex;justify-content:space-between;align-items:center;z-index:10;pointer-events:none}.top-bar>*{pointer-events:auto}.top-bar-right{display:flex;gap:.5rem}.back-btn,.share-btn,.compare-btn{padding:.45rem .9rem;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.8rem;cursor:pointer;transition:all .3s var(--ease);display:inline-flex;align-items:center;gap:.35rem;border:1px solid var(--surface-border)}.back-btn{background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:var(--text)}.back-btn:hover{border-color:#4ecdc459}.compare-btn{background:#4ecdc41a;color:var(--teal);border-color:#4ecdc440}.compare-btn:hover{background:#4ecdc42e}.compare-btn.active{background:var(--teal);color:#0b0d17;border-color:var(--teal)}.compare-btn svg{width:14px;height:14px}.share-btn{background:var(--teal);color:#0b0d17;font-weight:600;border-color:transparent;box-shadow:0 2px 12px #4ecdc433}.share-btn:hover{background:#62e0d8;box-shadow:0 4px 20px #4ecdc44d}.share-btn svg{width:14px;height:14px}.comparison{position:absolute;inset:0;border-radius:var(--radius-xs);overflow:hidden;cursor:col-resize;z-index:5}.comparison canvas{position:absolute;top:0;left:0;width:100%;height:100%}.comp-divider{position:absolute;top:0;bottom:0;width:3px;background:#ffffffe6;box-shadow:0 0 12px #ffffff4d,0 0 30px var(--teal-glow);z-index:2;cursor:col-resize;transition:box-shadow .2s ease}.comp-divider:hover{box-shadow:0 0 16px #ffffff80,0 0 40px var(--teal-glow)}.comp-handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:36px;height:36px;border-radius:50%;background:var(--bg);border:2px solid rgba(255,255,255,.8);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px #0006;color:var(--text)}.comp-handle svg{width:18px;height:18px}.comp-label{position:absolute;top:12px;z-index:3;padding:.25rem .7rem;border-radius:4px;background:#000000b3;backdrop-filter:blur(4px);font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#fffc}.comp-label-left{left:12px}.comp-label-right{right:12px}.bbox-rect{fill:none;stroke:#4ecdc4;stroke-width:2;stroke-dasharray:8 4;animation:dashMarch 1s linear infinite}.bbox-label-bg{rx:4}.bbox-label{fill:#4ecdc4;font-family:Inter,sans-serif;font-size:11px;font-weight:600}.keyboard-hint{position:absolute;bottom:.5rem;left:50%;transform:translate(-50%);font-size:.65rem;color:var(--text-dim);white-space:nowrap;z-index:10;animation:fadeIn 1s ease 1s both}.keyboard-hint kbd{background:#ffffff0f;padding:.1rem .35rem;border-radius:3px;font-family:var(--font-body);border:1px solid rgba(255,255,255,.08);font-size:.6rem}.error-overlay{position:absolute;inset:0;background:#000000e6;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;z-index:100}.error-overlay .error-msg{color:#e74c3c;font-size:1.1rem;font-weight:600}.error-overlay .error-detail{color:var(--text-muted);font-size:.85rem;max-width:440px;text-align:center;line-height:1.6}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeSlideDown{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.6}}@keyframes slideUp{0%{transform:translateY(14px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes dashMarch{to{stroke-dashoffset:-12}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes eyeFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes scanMove{0%{top:-3px}to{top:100%}}@media(max-width:768px){.landing h1{font-size:2.4rem}.landing .subtitle{font-size:.95rem}.eye-icon{width:120px;height:60px}.actions{flex-direction:column;align-items:stretch}.btn{justify-content:center}.demo-thumb{width:100px;height:66px}.exploration{flex-direction:column}.canvas-container{order:1;flex:1;padding:3rem .5rem .5rem;min-height:0}.stats-bar{top:3rem;font-size:.65rem;padding:.3rem .8rem}.blend-bar{position:static;transform:none;width:calc(100% - 2rem);margin:.3rem auto;padding:.3rem 0;order:2}.layer-panel{width:100%;flex-direction:row;overflow-x:auto;overflow-y:hidden;padding:.4rem;gap:.35rem;order:3;flex-shrink:0;-webkit-overflow-scrolling:touch}.layer-card{flex-shrink:0;min-width:max-content;padding:.4rem .55rem}.layer-thumb{display:none}.annotation{position:static;max-width:none;margin:0 .5rem .5rem;order:4;bottom:auto;left:auto}.top-bar{top:.3rem;left:.3rem;right:.3rem}.back-btn,.share-btn,.compare-btn{padding:.3rem .6rem;font-size:.72rem}.keyboard-hint{display:none}}