*{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0a0f;--bg-card: rgba(255, 255, 255, .03);--bg-card-hover: rgba(255, 255, 255, .06);--accent-1: #6366f1;--accent-2: #8b5cf6;--accent-3: #d946ef;--gradient-main: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 50%, var(--accent-3) 100%);--gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, .1) 0%, rgba(139, 92, 246, .05) 100%);--text-primary: #ffffff;--text-secondary: #94a3b8;--text-muted: #64748b;--border-subtle: rgba(255, 255, 255, .06);--border-accent: rgba(139, 92, 246, .3);--shadow-glow: 0 0 60px rgba(99, 102, 241, .15);--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--radius-full: 9999px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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#6366f173}.install-btn:hover:before{opacity:1}.install-btn:active{transform:translateY(0) scale(.98)}.controls{display:flex;justify-content:center;gap:1.5rem;margin-bottom:2rem;flex-wrap:wrap;background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:1.25rem 2rem;border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--shadow-glow)}.controls label{display:flex;align-items:center;gap:1rem;color:var(--text-secondary);font-size:.875rem;font-weight:500}.controls input[type=range]{width:180px;height:6px;-webkit-appearance:none;appearance:none;background:#ffffff1a;border-radius:3px;cursor:pointer}.controls input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:var(--gradient-main);border-radius:50%;cursor:pointer;box-shadow:0 2px 10px #6366f166;transition:transform .2s,box-shadow .2s}.controls input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 4px 15px #6366f180}.controls select{background:#ffffff0f;color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.65rem 2.5rem .65rem 1.25rem;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center}.controls select:hover{border-color:var(--border-accent);background-color:#ffffff14}.controls select:focus{outline:none;border-color:var(--accent-1);box-shadow:0 0 0 3px #6366f126}.dropzone{border:2px dashed rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:3.5rem 2rem;text-align:center;cursor:pointer;transition:all .3s 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.download-btn{opacity:1}.remove-btn{top:10px;right:10px;background:#ef4444e6;color:#fff}.remove-btn:hover{background:#ef4444;transform:scale(1.1);box-shadow:0 4px 12px #ef444466}.download-btn{bottom:10px;right:10px;background:var(--gradient-main);color:#fff}.download-btn:hover:not(:disabled){transform:scale(1.1);box-shadow:0 4px 15px #6366f180}.download-btn:disabled{opacity:.4;cursor:not-allowed}.footer{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:1.25rem 2rem;padding-bottom:max(1.25rem,env(safe-area-inset-bottom));background:linear-gradient(to top,var(--bg-primary) 50%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:100}.footer>*{max-width:1100px}.count{color:var(--text-secondary);font-size:.95rem;font-weight:500}.export-btn{background:var(--gradient-main);color:#fff;border:none;padding:.9rem 2.5rem;border-radius:var(--radius-full);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 20px #6366f159;position:relative;overflow:hidden}.export-btn:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.25) 0%,transparent 50%);opacity:0;transition:opacity .3s}.export-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.02);box-shadow:0 8px 30px #6366f180}.export-btn:hover:not(:disabled):before{opacity:1}.export-btn:active:not(:disabled){transform:translateY(0) scale(.98)}.export-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.footer-left{display:flex;align-items:center;gap:1rem}.clear-btn{background:transparent;color:var(--text-muted);border:1px solid var(--border-subtle);padding:.5rem 1rem;border-radius:var(--radius-full);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s}.clear-btn:hover:not(:disabled){color:#ef4444;border-color:#ef444480;background:#ef44441a}.clear-btn:disabled{opacity:.4;cursor:not-allowed}.toast{position:fixed;bottom:100px;left:50%;transform:translate(-50%);background:var(--gradient-main);color:#fff;padding:.875rem 1.75rem;border-radius:var(--radius-full);font-size:.95rem;font-weight:500;box-shadow:0 8px 30px #6366f166;z-index:200;animation:toast-in .3s cubic-bezier(.4,0,.2,1)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media(max-width:640px){.app{padding:1.5rem 1rem;padding-bottom:140px}h1{font-size:2.25rem}.subtitle{font-size:.95rem}.controls{padding:1rem 1.25rem;gap:1.25rem;border-radius:var(--radius-md)}.controls label{flex-direction:column;align-items:flex-start;gap:.5rem;width:100%}.controls input[type=range],.controls select{width:100%}.dropzone{padding:2.5rem 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