:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;font-weight:400;color:#333;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;margin:0;padding:0}*{box-sizing:border-box}body{margin:0;padding:20px;min-height:100vh;display:flex;justify-content:center;align-items:flex-start}#app{width:100%;max-width:1200px}.container{background:#fffffff2;border-radius:20px;padding:40px;box-shadow:0 20px 40px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}h1{text-align:center;font-size:2.5rem;margin-bottom:40px;color:#333;font-weight:700}.controls{display:flex;gap:30px;margin-bottom:30px;flex-wrap:wrap;justify-content:center}.control-group{display:flex;flex-direction:column;gap:8px;min-width:200px}.control-group label{font-weight:600;color:#555;font-size:.9rem}.control-group input[type=range]{width:100%;height:6px;border-radius:3px;background:#e0e0e0;outline:none;-webkit-appearance:none}.control-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:#667eea;cursor:pointer;transition:background .3s}.control-group input[type=range]::-webkit-slider-thumb:hover{background:#5a67d8}.control-group span{text-align:center;font-weight:600;color:#667eea;font-size:.9rem}.upload-area{border:3px dashed #cbd5e0;border-radius:15px;padding:60px 20px;text-align:center;margin-bottom:30px;transition:all .3s ease;background:#f8f9fa;cursor:pointer}.upload-area:hover{border-color:#667eea;background:#f0f4ff}.upload-area.dragging{border-color:#667eea;background:#e6f2ff;transform:scale(1.02)}.upload-content p{margin-bottom:20px;font-size:1.1rem;color:#555}.file-input-label{display:inline-block;padding:12px 24px;background:#667eea;color:#fff;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;text-decoration:none}.file-input-label:hover{background:#5a67d8;transform:translateY(-2px);box-shadow:0 4px 12px #667eea4d}.actions{display:flex;gap:15px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}button{padding:12px 24px;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.95rem;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:#48bb78;color:#fff}.btn-primary:hover{background:#38a169;transform:translateY(-2px);box-shadow:0 4px 12px #48bb784d}.btn-secondary{background:#f56565;color:#fff}.btn-secondary:hover{background:#e53e3e;transform:translateY(-2px);box-shadow:0 4px 12px #f565654d}.btn-download{background:#4299e1;color:#fff;padding:8px 16px;font-size:.85rem}.btn-download:hover{background:#3182ce;transform:translateY(-1px)}.thumbnails-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px;margin-top:30px}.thumbnail-item{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #0000001a;transition:transform .3s ease,box-shadow .3s ease}.thumbnail-item:hover{transform:translateY(-5px);box-shadow:0 8px 25px #00000026}.thumbnail-item img{width:100%;height:200px;object-fit:cover;border-bottom:1px solid #e2e8f0}.thumbnail-info{padding:15px}.thumbnail-info p{margin:5px 0;font-size:.85rem;color:#555}.thumbnail-info p:first-child{font-weight:600;color:#333;word-break:break-all}@media(max-width:768px){.container{padding:20px;margin:10px}h1{font-size:2rem}.controls{flex-direction:column;gap:20px}.thumbnails-grid{grid-template-columns:1fr}.actions{flex-direction:column}button{width:100%;justify-content:center}}