:root{--bg: #0e1014;--bg-glow: #161b26;--panel: #171a21;--panel-hover: #1c2029;--border: #262b36;--border-strong: #333a48;--text: #e6e8ec;--muted: #9aa3b2;--accent: #4c8dff;--accent-strong: #6ba1ff;--warn-bg: #3a2f12;--warn-border: #6b5518;--error-bg: #3a1a1c;--error-border: #6b2529;--radius: 14px;--radius-sm: 10px;--shadow-1: 0 1px 2px rgba(0, 0, 0, .3), 0 2px 8px rgba(0, 0, 0, .25);--shadow-2: 0 4px 12px rgba(0, 0, 0, .35), 0 12px 32px rgba(0, 0, 0, .3);color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--text);line-height:1.5;background:radial-gradient(1200px 600px at 50% -10%,var(--bg-glow),transparent 60%),var(--bg);min-height:100vh}main{max-width:46rem;margin:0 auto;padding:3.5rem 1.25rem 4rem}h1{margin:0;font-size:2.1rem;letter-spacing:-.02em}.tagline{color:var(--muted);margin:.5rem 0 2rem}.banner{border:1px solid var(--border);border-radius:var(--radius-sm);padding:.75rem 1rem;margin-bottom:1.5rem;font-size:.9rem;box-shadow:var(--shadow-1)}.banner.warn{background:var(--warn-bg);border-color:var(--warn-border)}.banner.error{background:var(--error-bg);border-color:var(--error-border)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow-1);transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.dropzone.dragging{border-color:var(--accent);background:var(--panel-hover);box-shadow:var(--shadow-2)}.dropzone.loaded{border-style:solid;border-color:#2f7d4f}.dropzone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.dropzone label{display:flex;flex-direction:column;align-items:center;gap:.3rem;padding:2.75rem 1rem;cursor:pointer;text-align:center}.dropzone label span{color:var(--muted);font-size:.9rem}.controls{display:flex;align-items:end;gap:1rem;margin:1.5rem 0;flex-wrap:wrap}.precision{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--muted)}select,button{font:inherit;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--panel);color:var(--text);padding:.6rem .9rem;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease,transform .1s ease}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;box-shadow:0 2px 8px #4c8dff59}button.primary:not(:disabled):hover{background:var(--accent-strong);border-color:var(--accent-strong);transform:translateY(-1px);box-shadow:0 4px 14px #4c8dff73}.status{color:var(--muted);font-size:.9rem}.status.done{color:#6ede9a}progress{width:100%;height:6px}.stems{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:.9rem;margin-top:1.5rem}.stem-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.1rem 1.1rem;box-shadow:var(--shadow-1);transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.stem-card.active{border-color:color-mix(in srgb,var(--stem) 55%,var(--border));box-shadow:var(--shadow-2),0 0 0 1px color-mix(in srgb,var(--stem) 35%,transparent)}.stem-head{display:flex;align-items:center;gap:.55rem;margin-bottom:.9rem}.stem-head h2{margin:0;font-size:1rem;flex:1}.stem-dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--stem);box-shadow:0 0 8px color-mix(in srgb,var(--stem) 60%,transparent)}button.link{background:none;border:none;padding:0;color:var(--muted);font-size:.82rem;box-shadow:none}button.link:hover{color:var(--text);text-decoration:underline}.player{display:flex;align-items:center;gap:.7rem}button.play{flex:none;width:2.3rem;height:2.3rem;padding:0;display:grid;place-items:center;border-radius:50%;border:none;color:#fff;background:var(--stem);box-shadow:0 2px 8px color-mix(in srgb,var(--stem) 45%,transparent)}button.play:hover{transform:translateY(-1px);box-shadow:0 4px 14px color-mix(in srgb,var(--stem) 55%,transparent)}button.play svg{display:block}.track{flex:1;height:8px;border-radius:999px;background:color-mix(in srgb,var(--border) 80%,transparent);cursor:pointer;touch-action:none;overflow:hidden}.track:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.track-fill{height:100%;border-radius:999px;background:var(--stem);transition:width .08s linear}.time{flex:none;font-variant-numeric:tabular-nums;font-size:.78rem;color:var(--muted);min-width:5.5ch;text-align:right}footer{margin-top:3rem;color:var(--muted);font-size:.85rem}footer p{margin:0}.privacy{margin-top:.6rem}.privacy summary{cursor:pointer;width:fit-content;color:var(--muted);transition:color .15s ease}.privacy summary:hover{color:var(--text)}.privacy p{margin-top:.5rem;max-width:42rem;line-height:1.6}