:root{--bg:#f4f5f8;--surface:#fff;--text:#1c2230;--muted:#5b6475;--border:#d5d9e2;--accent:#1f3b73;--accent-text:#fff;--box:#e9ecf2;--focus:#3d6fd1;--tile:96px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.45}@media (prefers-color-scheme:dark){:root{--bg:#12151c;--surface:#1b2029;--text:#e6e9ef;--muted:#9aa3b5;--border:#2f3746;--accent:#6f95e8;--accent-text:#0d1220;--box:#232a36;--focus:#8fb0f5;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.appbar{background:var(--accent);color:var(--accent-text);align-items:center;gap:12px;padding:10px 16px;display:flex}.appbar h1{flex:1;margin:0;font-size:1.1rem;font-weight:600}@media (width<=600px){.appbar{flex-wrap:wrap;gap:8px}.appbar h1{flex-basis:100%}}a.button{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:6px 14px;text-decoration:none;display:inline-block}a.button:hover{border-color:var(--muted)}.banner{background:color-mix(in srgb, var(--accent) 16%, var(--bg));border-bottom:1px solid color-mix(in srgb, var(--accent) 35%, transparent);align-items:center;gap:12px;padding:8px 16px;display:flex}.banner[hidden]{display:none}.banner-text{flex:1}.banner-close{padding:0 10px;font-size:1.2rem;line-height:1.6}main{max-width:1100px;margin:0 auto;padding:16px}button{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 14px}button:hover{border-color:var(--muted)}button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.setup{gap:14px;max-width:720px;margin:0 auto;display:grid}.panel{border:1px solid color-mix(in srgb, var(--tone,var(--border)) 45%, transparent);border-left:5px solid var(--tone,var(--border));background:var(--tone-bg,var(--surface));border-radius:8px;margin:0;padding:12px 16px 14px}.panel legend{color:var(--tone-text,var(--text));padding:0 6px;font-weight:600}.tone-blue{--tone:#2f6fdb;--tone-bg:#eaf1fe;--tone-text:#1d4fa8}.tone-teal{--tone:#1f9e8f;--tone-bg:#e5f6f3;--tone-text:#137366}.tone-purple{--tone:#8b55d6;--tone-bg:#f2ecfc;--tone-text:#6533a8}.tone-amber{--tone:#d98a12;--tone-bg:#fdf3e1;--tone-text:#9a5f05}.tone-rose{--tone:#d6457a;--tone-bg:#fdebf1;--tone-text:#a52357}@media (prefers-color-scheme:dark){.tone-blue{--tone:#4d8af0;--tone-bg:#14213b;--tone-text:#9cc0ff}.tone-teal{--tone:#2fbfac;--tone-bg:#0f2a28;--tone-text:#84e3d5}.tone-purple{--tone:#a374ec;--tone-bg:#221a36;--tone-text:#cdb0ff}.tone-amber{--tone:#eba23a;--tone-bg:#2c2210;--tone-text:#f6cf8b}.tone-rose{--tone:#ec6a98;--tone-bg:#2e1420;--tone-text:#f7a9c6}}.panel p{margin:4px 0 10px}.row{flex-wrap:wrap;gap:8px;display:flex}.status{color:var(--muted);margin-bottom:0!important}.check{cursor:pointer;align-items:flex-start;gap:10px;margin:8px 0;display:flex}.check input{flex:none;width:16px;height:16px;margin-top:3px}.disabled{opacity:.45;pointer-events:none}#rater{width:100%;font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:6px;margin-top:8px;padding:7px 10px;display:block}.actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.actions .start{padding:10px 28px;font-weight:600}.actions .spacer{flex:1}.saved{color:var(--muted)}.note{color:var(--muted);margin:0;font-size:.9rem}.rating p{margin:6px 0}.rating .hint{color:var(--muted)}.rating .best{margin-top:10px;font-weight:700}.box{min-height:calc(var(--tile) + 20px);border:1px solid var(--border);background:var(--box);border-radius:8px;flex-wrap:wrap;align-content:flex-start;gap:8px;padding:8px;display:flex}.box.rated{min-height:calc(2 * var(--tile) + 28px)}.tile{width:var(--tile);height:var(--tile);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;background-size:cover;border-radius:4px;position:relative;box-shadow:0 1px 2px #00000059}.unrated .tile{background-image:var(--bg-unrated)}.rated .tile{background-image:var(--bg-rated)}.tile.moving{background-image:var(--bg-moving);outline:2px dashed var(--focus);outline-offset:2px}.drag-avatar{z-index:10;pointer-events:none;opacity:.85;background-image:var(--bg-moving);position:fixed;top:0;left:0;box-shadow:0 6px 18px #0006}.tile.ref{cursor:not-allowed;touch-action:auto;background:#6495ed}.tile-label{color:#fff;text-overflow:ellipsis;white-space:nowrap;background:#00000073;border-radius:3px;padding:1px 4px;font-size:.8rem;position:absolute;inset:4px 4px auto;overflow:hidden}.play{color:#1c2230;cursor:pointer;background:#ffffffeb;border-color:#00000040;padding:2px 0;font-size:.85rem;position:absolute;bottom:4px;left:3px;right:3px}.rating-bar{align-items:center;gap:12px;margin:12px 0;display:flex}.rating-bar .count{flex:1;font-weight:600}.player{color:var(--muted);gap:4px;display:grid}.player audio{width:100%}.modal{border:1px solid var(--border);background:var(--surface);max-width:min(560px,100vw - 32px);color:var(--text);border-radius:10px;padding:18px 20px 16px}.modal::backdrop{background:#0a0e1873}.modal h2{margin:0 0 10px;font-size:1rem}.modal-body{white-space:pre-line}.study-form{white-space:normal;gap:12px;display:grid}.study-form label{gap:4px;display:grid}.study-form input,.study-form select{width:100%;min-width:0;font:inherit;padding:8px}.modal-buttons{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.about{white-space:normal}.about-title{margin-top:0;font-size:1.15rem;font-weight:600}.about dl{margin:0}.about dt{color:var(--muted);margin-top:8px;font-size:.85rem}.about dd{margin:0}.about a{color:var(--accent)}.small{color:var(--muted);font-size:.85rem}@media (width<=600px){:root{--tile:80px}main{padding:12px}}.demo .row{align-items:center}.demo a:not(.button){color:var(--tone-text)}.demo .status{margin-top:10px}