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#ffffff1a;--ease-out:cubic-bezier(.16, 1, .3, 1);--transition:.2s var(--ease-out);--transition-slow:.4s var(--ease-out)}[data-theme=light]{--bg-base:#f8fafc;--bg-surface:#ffffffb3;--bg-elevated:#fffffff2;--bg-hover:#f1f5f9d9;--bg-input:#f1f5f9cc;--gradient-surface:linear-gradient(180deg, #ffffffd9 0%, #f8fafcf2 100%);--border:#00000014;--border-bright:#00000029;--border-active:#8b5cf699;--accent:#7c3bed;--accent-glow:#7c3bed40;--accent-light:#a275f0;--accent-dark:#5914d2;--accent-bg:#7c3bed14;--gradient-accent:linear-gradient(135deg, #7c3bed 0%, #2d6deb 100%);--success:#159d70;--success-bg:#159d701a;--warning:#dd8f08;--warning-bg:#dd8f081a;--danger:#eb1438;--danger-bg:#eb14381a;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--shadow-sm:0 2px 8px #0000000d;--shadow-md:0 8px 24px #00000014;--shadow-lg:0 20px 60px #0000001f;--shadow-accent:0 0 24px var(--accent-glow);--shadow-inset:inset 0 1px 1px 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var(--border-bright);border-radius:var(--radius-sm);color:var(--text-primary);width:100%;transition:all var(--transition);padding:10px 12px;font-family:Inter,sans-serif;font-size:13.5px;box-shadow:inset 0 2px 4px #0003}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow), inset 0 2px 4px #0003;background:#0f111ae6}.form-input::placeholder{color:var(--text-muted)}.form-range{appearance:none;cursor:pointer;background:0 0;outline:none;width:100%;margin:6px 0}.form-range::-webkit-slider-runnable-track{background:#94a3b880;border-radius:99px;width:100%;height:6px}.form-range::-moz-range-track{background:#94a3b880;border-radius:99px;width:100%;height:6px}.form-range::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:18px;height:18px;margin-top:-6px;transition:transform .1s,box-shadow .1s;box-shadow:0 2px 8px 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10px;font-size:11.5px;font-weight:700;display:inline-flex}.badge-success{background:var(--success-bg);color:var(--success);border-color:#10b9814d}.badge-warning{background:var(--warning-bg);color:var(--warning);border-color:#f59e0b4d}.toast-container{z-index:9999;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:24px;right:24px}.toast{border:1px solid var(--border-bright);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);min-width:260px;animation:toastIn .4s var(--ease-out);background:#0f111af2;align-items:center;gap:12px;padding:14px 20px;font-size:14px;font-weight:500;display:flex}.toast.success{border-left:4px solid var(--success)}.toast.error{border-left:4px solid var(--danger)}.modal-backdrop{-webkit-backdrop-filter:blur(12px);z-index:5000;background:#000c;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--gradient-surface);border:1px solid var(--border-bright);border-radius:var(--radius-lg);width:400px;max-width:90vw;box-shadow:var(--shadow-lg), 0 0 0 1px #ffffff0d;animation:slideUp .3s var(--ease-out);padding:32px}.modal-title{margin-bottom:20px;font-family:Space Grotesk,sans-serif;font-size:20px;font-weight:700}.modal-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}.upload-overlay{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:9999;border:3px dashed var(--accent);pointer-events:none;background:#040508f2;flex-direction:column;justify-content:center;align-items:center;gap:16px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.upload-overlay-text{color:var(--accent-light);text-shadow:0 0 48px var(--accent-glow);font-family:Space Grotesk,sans-serif;font-size:28px;font-weight:700}.ffmpeg-loading{background:var(--bg-base);z-index:9999;background-image:radial-gradient(60% 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