@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--bg-main:#0a0c10;--bg-surface:#12151d;--bg-surface-elevated:#1a1e29;--bg-card:#151923;--bg-card-hover:#1e2332;--bg-input:#0e1118;--border-subtle:#242b3d;--border-focus:#3b82f6;--border-highlight:#f59e0b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-amber:#f59e0b;--accent-amber-glow:#f59e0b40;--accent-cyan:#06b6d4;--accent-cyan-glow:#06b6d433;--accent-emerald:#10b981;--accent-rose:#f43f5e;--accent-purple:#8b5cf6;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-full:9999px;--font-sans:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--shadow-card:0 4px 20px -2px #00000080;--shadow-glow:0 0 20px -3px #f59e0b59}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:hidden}.app-layout{background:radial-gradient(circle at 50% 0,#151a28 0%,#0a0c10 70%);flex-direction:column;min-height:100vh;display:flex}.app-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);z-index:50;background-color:#12151dd9;justify-content:space-between;align-items:center;padding:.85rem 2rem;display:flex;position:sticky;top:0}.header-left{align-items:center;gap:.85rem;display:flex}.logo-badge{border-radius:var(--radius-md);color:#000;background:linear-gradient(135deg,#f59e0b,#d97706);justify-content:center;align-items:center;width:40px;height:40px;display:flex;box-shadow:0 2px 10px #f59e0b4d}.logo-title{letter-spacing:-.02em;color:#fff;font-size:1.2rem;font-weight:800}.logo-accent{color:var(--accent-amber)}.logo-subtitle{color:var(--text-secondary);font-size:.72rem;font-weight:500}.header-center{align-items:center;gap:1rem;display:flex}.header-stat-pill{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-size:.8rem;font-family:var(--font-mono);align-items:center;gap:.5rem;padding:.35rem .85rem;display:flex}.header-stat-pill.pill-active{border-color:var(--accent-amber);color:var(--accent-amber);background:#f59e0b1a}.stat-label{color:var(--text-muted);letter-spacing:.05em;font-size:.7rem;font-weight:600}.stat-value{color:var(--text-primary);font-weight:700}.stat-unit{color:var(--text-secondary);font-size:.7rem}.header-right{align-items:center;gap:.65rem;display:flex}.btn-header-action{background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-md);cursor:pointer;align-items:center;gap:.5rem;padding:.5rem .95rem;font-size:.82rem;font-weight:600;transition:all .15s;display:flex}.btn-header-action:hover{background:var(--bg-card-hover);border-color:var(--accent-amber);color:#fff;transform:translateY(-1px)}.btn-song-loops-header{border-color:#f59e0b4d}.header-count-badge{font-family:var(--font-mono);background:var(--accent-amber);color:#000;border-radius:var(--radius-full);padding:.05rem .45rem;font-size:.7rem;font-weight:800}.btn-header-icon{background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;justify-content:center;align-items:center;transition:all .15s;display:flex}.btn-header-icon:hover{color:#fff;border-color:var(--text-secondary)}.studio-main-content{flex-direction:column;gap:1.5rem;width:100%;max-width:1400px;margin:0 auto;padding:1.5rem 2rem 3rem;display:flex}.video-input-section{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:1.1rem 1.4rem}.video-input-form{align-items:center;gap:.75rem;display:flex}.input-field-wrapper{flex:1;align-items:center;display:flex;position:relative}.input-icon-youtube{color:red;position:absolute;left:14px}.video-text-input{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:#fff;width:100%;font-size:.92rem;font-family:var(--font-sans);outline:none;padding:.8rem 2.5rem .8rem 2.8rem;transition:border-color .15s,box-shadow .15s}.video-text-input:focus{border-color:var(--accent-amber);box-shadow:0 0 0 3px var(--accent-amber-glow)}.btn-clear-input{color:var(--text-muted);cursor:pointer;background:0 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1.4rem}.timeline-header{justify-content:space-between;align-items:center;margin-bottom:.9rem;display:flex}.timeline-title-group{align-items:baseline;gap:.75rem;display:flex}.timeline-heading{color:#fff;font-size:1.05rem;font-weight:800}.timeline-badge-count{font-family:var(--font-mono);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--accent-amber);padding:.15rem .5rem;font-size:.72rem}.timeline-hint{color:var(--text-muted);font-size:.75rem}.timeline-actions{align-items:center;gap:1rem;display:flex}.timeline-quick-set-group{flex:1;gap:.6rem;display:flex}.btn-timeline-set{background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.82rem;font-weight:600;transition:all 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