*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f0f11;--surface: #1a1a1f;--surface-hover: #25252b;--border: #2a2a32;--text: #e4e4e7;--text-muted: #71717a;--primary: #6366f1;--primary-hover: #818cf8;--success: #22c55e;--error: #ef4444;--radius: 12px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;align-items:center}header{width:100%;max-width:860px;padding:24px 20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}h1{font-size:1.8rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(120deg,#e4e4e7,#6366f1,#a78bfa,#818cf8,#e4e4e7);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:text-shimmer 4s ease-in-out infinite}@keyframes text-shimmer{0%{background-position:100% 50%}50%{background-position:0% 50%}to{background-position:100% 50%}}.privacy-badge{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-muted);background:var(--surface);padding:6px 12px;border-radius:20px;border:1px solid var(--border)}.privacy-dot{width:7px;height:7px;background:var(--success);border-radius:50%;display:inline-block}main{width:100%;max-width:860px;padding:32px 20px;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center}[hidden]{display:none!important}.drop-zone{width:100%;border:2px dashed var(--border);border-radius:var(--radius);padding:64px 32px;display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer;transition:border-color .2s,background .2s;text-align:center}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--primary);background:#6366f10d}.upload-icon{color:var(--text-muted);margin-bottom:8px}.drop-text{font-size:1.15rem;font-weight:600;background:linear-gradient(120deg,#e4e4e7,#a78bfa 40%,#6366f1 60%,#e4e4e7);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:text-shimmer 4s ease-in-out infinite}.drop-or{color:var(--text-muted);font-size:.85rem}.drop-hint{color:var(--text-muted);font-size:.78rem;margin-top:4px}button{font-family:inherit;cursor:pointer;border:none;font-size:.9rem;font-weight:500;border-radius:8px;padding:10px 24px;transition:background .2s,transform .1s}button:active{transform:scale(.98)}#choose-file-btn{background:var(--primary);color:#fff}#choose-file-btn:hover{background:var(--primary-hover)}.btn-primary{background:var(--primary);color:#fff;padding:12px 32px;font-size:1rem}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border);padding:12px 32px;font-size:1rem}.btn-secondary:hover{background:var(--surface-hover)}.progress-card{width:100%;max-width:500px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;text-align:center}.progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:16px}.progress-fill{height:100%;background:var(--primary);border-radius:4px;width:0%;transition:width .3s ease}#progress-text{color:var(--text-muted);font-size:.9rem}.processing-card{width:100%;max-width:500px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:48px 32px;display:flex;flex-direction:column;align-items:center;gap:28px}.rift-spinner{position:relative;width:120px;height:120px}.rift-ring{position:absolute;inset:0;border-radius:50%;border:3px solid transparent}.rift-ring-1{border-top-color:#6366f1;border-right-color:#6366f1;animation:rift-spin-1 1.2s cubic-bezier(.6,.15,.35,.85) infinite;filter:drop-shadow(0 0 8px rgba(99,102,241,.6))}.rift-ring-2{inset:12px;border-bottom-color:#a78bfa;border-left-color:#a78bfa;animation:rift-spin-2 1.6s cubic-bezier(.6,.15,.35,.85) infinite;filter:drop-shadow(0 0 8px rgba(167,139,250,.6))}.rift-ring-3{inset:24px;border-top-color:#818cf8;border-left-color:#818cf8;animation:rift-spin-1 .9s cubic-bezier(.6,.15,.35,.85) infinite;filter:drop-shadow(0 0 6px rgba(129,140,248,.5))}.rift-bolt{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:32px;animation:bolt-pulse 1.5s ease-in-out infinite;filter:drop-shadow(0 0 12px rgba(99,102,241,.8))}@keyframes rift-spin-1{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes rift-spin-2{0%{transform:rotate(0)}to{transform:rotate(-360deg)}}@keyframes bolt-pulse{0%,to{opacity:1;transform:translate(-50%,-50%) scale(1)}50%{opacity:.6;transform:translate(-50%,-50%) scale(1.2)}}#processing-text{font-size:1rem;font-weight:600;transition:opacity .2s ease;min-height:1.4em;text-align:center;background:linear-gradient(90deg,#71717a,#a78bfa 30%,#818cf8,#a78bfa 70%,#71717a);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:processing-shimmer 2s linear infinite}@keyframes processing-shimmer{0%{background-position:100% 50%}to{background-position:-100% 50%}}.error-card{width:100%;max-width:500px;background:var(--surface);border:1px solid var(--error);border-radius:var(--radius);padding:24px 32px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}#error-text{color:var(--error);font-size:.95rem}#error-dismiss-btn{background:var(--surface-hover);color:var(--text);border:1px solid var(--border)}#result-area{width:100%;display:flex;flex-direction:column;align-items:center;gap:24px}.actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}#comparison-container{width:100%;display:flex;justify-content:center}.comparison-wrapper{position:relative;overflow:hidden;border-radius:var(--radius);cursor:col-resize;user-select:none;touch-action:none;max-height:70vh;background-image:linear-gradient(45deg,#1e1e24 25%,transparent 25%),linear-gradient(-45deg,#1e1e24 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#1e1e24 75%),linear-gradient(-45deg,transparent 75%,#1e1e24 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:#28282e}.comparison-after{display:block;width:100%;height:auto;max-height:70vh;object-fit:contain}.comparison-before{position:absolute;top:0;left:0;bottom:0;width:50%;overflow:hidden}.comparison-before img{display:block;width:auto;height:100%;max-width:none;object-fit:cover}.comparison-handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;transform:translate(-50%);box-shadow:0 0 6px #0009;z-index:2}.handle-circle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:36px;height:36px;border-radius:50%;background:#fff;color:#333;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 2px 8px #0006}.comparison-label{position:absolute;top:12px;background:#0009;color:#fff;font-size:.75rem;font-weight:500;padding:4px 10px;border-radius:4px;z-index:3;pointer-events:none}.label-before{left:12px}.label-after{right:12px}@media(max-width:600px){header{flex-direction:column;align-items:flex-start}.drop-zone{padding:40px 20px}.actions{flex-direction:column;width:100%}.actions button{width:100%}}