:root{--bg-color:#0f172a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-color:#3b82f6;--accent-hover:#60a5fa;--glass-bg:#0f172a99;--glass-border:#ffffff1a;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0;font-family:Outfit,sans-serif}body{background-color:var(--bg-color);color:var(--text-primary);width:100vw;height:100vh;overflow:hidden}#app{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.video-container{z-index:1;width:100%;height:100%;position:absolute;top:0;left:0}#webcam{object-fit:cover;width:100%;height:100%;transform:scaleX(-1)}#output_canvas{z-index:2;object-fit:cover;pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0;transform:scaleX(-1)}.hud{z-index:10;background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:1.5rem;width:90%;max-width:500px;padding:2rem;transition:opacity .3s,transform .3s;position:absolute;top:2rem;left:50%;transform:translate(-50%);box-shadow:0 25px 50px -12px #00000080}.hud.hidden{opacity:0;pointer-events:none;transform:translate(-50%,-20px)}.hud-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}h1{background:linear-gradient(90deg,#3b82f6,#8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.status-badge{color:#fcd34d;background-color:#f59e0b33;border:1px solid #f59e0b80;border-radius:9999px;padding:.25rem .75rem;font-size:.75rem;font-weight:600;transition:all .3s}.status-badge.ready{color:#6ee7b7;background-color:#10b98133;border-color:#10b98180}.subtitle{color:var(--text-secondary);margin-bottom:1rem;font-size:.95rem}.instructions{border-left:4px solid var(--accent-color);background-color:#3b82f61a;border-radius:0 .5rem .5rem 0;margin-bottom:2rem;padding:.75rem 1rem;font-size:.9rem;line-height:1.4}.instructions strong{color:var(--accent-color);margin-bottom:.25rem;display:block}.floating-selector{z-index:15;background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:2rem;flex-direction:column;gap:1rem;padding:1rem;display:flex;position:absolute;bottom:2rem;right:2rem;box-shadow:0 10px 25px -5px #00000080}.particle-btn{border:1px solid var(--glass-border);color:var(--text-primary);cursor:pointer;background:#0000004d;border-radius:50%;justify-content:center;align-items:center;width:3.5rem;height:3.5rem;font-size:1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.particle-btn:hover{background:#ffffff1a;transform:scale(1.1)}.particle-btn.active{background:var(--accent-color);border-color:var(--accent-hover);transform:scale(1.15);box-shadow:0 4px 15px #3b82f680}.controls{gap:1rem;display:flex}.btn{cursor:pointer;border:none;border-radius:.75rem;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1rem;font-size:.95rem;font-weight:600;transition:all .2s;display:flex}.btn:hover:not(:disabled){transform:translateY(-2px)}.btn:active:not(:disabled){transform:translateY(0)}.btn.primary{background-color:var(--accent-color);color:#fff;box-shadow:0 4px 14px #3b82f663}.btn.primary:hover:not(:disabled){background-color:var(--accent-hover);box-shadow:0 6px 20px #3b82f63b}.btn.secondary{color:#fff;border:1px solid var(--glass-border);background-color:#ffffff1a}.btn.secondary:hover{background-color:#ffffff26}.btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale()}.loader{z-index:20;background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:1rem;flex-direction:column;align-items:center;gap:1rem;padding:2rem 3rem;transition:opacity .5s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.loader p{text-align:center;white-space:nowrap;margin:0;font-weight:500}.loader.hidden{opacity:0;pointer-events:none}.spinner{border:4px solid #ffffff1a;border-left-color:var(--accent-color);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.floating-btn{z-index:20;-webkit-backdrop-filter:blur(8px);color:#fff;cursor:pointer;background:#fff3;border:1px solid #fff6;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;font-weight:700;transition:all .3s;display:flex;position:absolute;bottom:2rem;left:2rem;box-shadow:0 4px 6px #0000001a}.floating-btn:hover{background:#ffffff4d;transform:scale(1.1)}.floating-btn.hidden{display:none}@media (width<=768px){.floating-btn{width:40px;height:40px;font-size:1.25rem;bottom:1.5rem;left:1.5rem}}@media (width<=600px){.hud{width:95%;padding:1.5rem;top:1rem}.controls{flex-direction:column}}.action-bar{z-index:20;background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:3rem;gap:1.5rem;padding:1rem 2rem;transition:opacity .3s,transform .3s;display:flex;position:absolute;bottom:2rem;left:50%;transform:translate(-50%);box-shadow:0 10px 25px -5px #00000080}.action-bar.hidden{opacity:0;pointer-events:none;transform:translate(-50%,20px)}.action-btn{border:1px solid var(--glass-border);color:#fff;cursor:pointer;background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:3.5rem;height:3.5rem;font-size:1.5rem;transition:all .2s;display:flex;position:relative}.action-btn:hover{background:#fff3;transform:scale(1.1)}.action-btn:active{transform:scale(.95)}.action-btn.recording{border-color:#ef4444;animation:1.5s infinite pulse-red}.action-btn.stop{color:#ef4444}.action-btn.stop:hover{background:#ef444433}@keyframes pulse-red{0%{box-shadow:0 0 #ef4444b3}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}.preview-modal{z-index:50;-webkit-backdrop-filter:blur(8px);opacity:1;background:#000c;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .3s;display:flex;position:absolute;top:0;left:0}.preview-modal.hidden{opacity:0;pointer-events:none}.preview-content{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:1.5rem;flex-direction:column;gap:1.5rem;width:90%;max-width:600px;padding:2rem;display:flex;box-shadow:0 25px 50px -12px #00000080}.preview-content h2{text-align:center;background:linear-gradient(90deg,#3b82f6,#8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem}.preview-media-container{background:#00000080;border-radius:1rem;justify-content:center;align-items:center;width:100%;max-height:60vh;display:flex;overflow:hidden}#preview-img,#preview-video{object-fit:contain;max-width:100%;max-height:60vh}#preview-img.hidden,#preview-video.hidden{display:none}.preview-actions{gap:1rem;display:flex}