.layout{grid-template:"header header""sidebar main"1fr"player player"/260px 1fr;min-height:100vh;display:grid}.layout__header{border-bottom:1px solid var(--line);grid-area:header;align-items:center;gap:16px;padding:8px 16px;display:flex}.layout__header .field{grid-auto-flow:column;align-items:center;margin:0}.layout__brand{font-weight:700}.layout__user{color:var(--muted);margin-left:auto}.layout__sidebar{border-right:1px solid var(--line);grid-area:sidebar;padding:12px;overflow:auto}.layout__main{grid-area:main;padding:16px 24px;overflow:auto}.layout__player{grid-area:player;position:sticky;bottom:0}.section-nav ul{margin:0 0 12px;padding:0;list-style:none}.section-nav a{color:var(--text);border-radius:6px;padding:4px 8px;text-decoration:none;display:block}.section-nav a.active{background:var(--panel)}.section-nav__act-name{text-transform:uppercase;color:var(--muted);margin:12px 0 4px;font-size:.75rem}.section-nav__count{color:var(--muted)}.track-list{padding:0;list-style:none}.track-row{border-bottom:1px solid var(--line);grid-template-columns:2fr 1fr 1fr 80px auto auto;align-items:center;gap:12px;padding:8px;display:grid}.badge{border:1px solid var(--line);border-radius:999px;padding:2px 8px;font-size:.75rem}.muted{color:var(--muted)}.track-page__facts{grid-template-columns:max-content 1fr;gap:4px 16px;display:grid}.login{max-width:360px;margin:15vh auto}@media (width<=800px){.layout{grid-template-columns:1fr;grid-template-areas:"header""sidebar""main""player"}}.waveform{background:var(--panel);border-radius:var(--radius);cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;color:#5d6b82;position:relative}.waveform__canvas{width:100%;height:100%;position:absolute;inset:0}.waveform__head{pointer-events:none;background:#fff;width:2px;position:absolute;top:0;bottom:0}.waveform__overlay{pointer-events:none;position:absolute;inset:0}.waveform__overlay>*{pointer-events:auto}.player-bar{background:var(--panel);border-top:1px solid var(--line);grid-template-columns:minmax(160px,1fr) auto auto 3fr auto auto;align-items:center;gap:12px;padding:8px 16px;display:grid}.player-bar__title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.player-bar__time{font-variant-numeric:tabular-nums}.stem-mixer{gap:6px;padding:0;list-style:none;display:grid}.stem-mixer li{grid-template-columns:120px 1fr auto auto 120px;align-items:center;gap:8px;display:grid}.stem-failure{border:1px solid var(--danger);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:8px;margin:8px 0;padding:12px;display:flex}.player-panel{gap:12px;margin-top:16px;display:grid}.player-bar__problem{color:var(--danger)}.player-bar__status{grid-column:1/-1;height:calc(1.5em + 14px);overflow:hidden}.player-bar__status-line{align-items:center;gap:8px;height:100%;display:flex}.player-bar__status-text{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.player-bar__status-line .btn{flex:none}:root{--bg:#101318;--panel:#181c23;--line:#2a303b;--text:#e8ebf0;--muted:#9aa3b2;--accent:#4f8cff;--danger:#e5484d;--blocking:#4f8cff;--note:#f5b83d;--correction:#e5484d;--radius:8px;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}a{color:var(--accent)}.btn{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--text);font:inherit;cursor:pointer;padding:6px 12px}.btn:disabled{opacity:.5;cursor:default}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn--danger{border-color:var(--danger);color:var(--danger)}.btn--ghost{background:0 0;border-color:#0000}.btn--touch{min-width:44px;min-height:44px;padding:10px 16px}.btn[aria-pressed=true]{background:var(--accent);color:#fff}.field{gap:4px;margin-bottom:12px;display:grid}.field input,.field select{font:inherit;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg);color:var(--text);padding:6px 8px}.field__error{color:var(--danger);margin:0;font-size:.875rem}.dialog__overlay{background:#00000080;position:fixed;inset:0}.dialog__content{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);width:min(480px,92vw);max-height:85vh;padding:20px;position:fixed;top:50%;left:50%;overflow:auto;transform:translate(-50%,-50%)}.dialog__title{margin:0 0 12px;font-size:1.125rem}.dialog__footer{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.toaster{z-index:50;gap:8px;display:grid;position:fixed;bottom:112px;right:16px}.toast{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);align-items:center;gap:12px;padding:10px 14px;display:flex}.toast--error{border-color:var(--danger)}.toast__close{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:1.25rem}.skeleton{background:linear-gradient(90deg, var(--panel), var(--line), var(--panel));background-size:200% 100%;border-radius:4px;margin:6px 0;animation:1.2s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.skeleton{animation:none}}.page-skeleton{padding:16px}.progress{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);height:20px;position:relative;overflow:hidden}.progress__fill{background:var(--accent);height:100%;transition:width .15s linear}.progress__fill--busy{opacity:.35;animation:1.2s infinite shimmer}.progress__text{place-items:center;font-size:.75rem;display:grid;position:absolute;inset:0}.btn--disabled{opacity:.5;cursor:default;pointer-events:none}@media (prefers-reduced-motion:reduce){.progress__fill,.progress__fill--busy{transition:none;animation:none}}