:root{--bg: #f7f8fa;--surface: #ffffff;--surface-2: #f1f3f6;--surface-3: #e8ebf0;--border: #e3e6eb;--border-strong: #cfd4dc;--text: #101828;--text-dim: #5b6472;--accent: #5b5bd6;--accent-strong: #4a4ac4;--accent-soft: #eeeefc;--accent-text: #ffffff;--danger: #d92d20;--danger-soft: #fef3f2;--warn: #dc6803;--ok: #067647;--ok-soft: #ecfdf3;--shadow-sm: 0 1px 2px rgb(16 24 40 / 6%);--shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 6px 20px rgb(16 24 40 / 7%);--shadow-lg: 0 12px 40px rgb(16 24 40 / 18%);--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--ring: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent);--ease: cubic-bezier(.2, 0, 0, 1);--sidebar-width: 248px;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #0c0e12;--surface: #14171c;--surface-2: #1b1f26;--surface-3: #242932;--border: #262b33;--border-strong: #353b46;--text: #eceef2;--text-dim: #98a1b0;--accent: #8b87f5;--accent-strong: #a09cf8;--accent-soft: #232245;--accent-text: #0c0e12;--danger: #f97066;--danger-soft: #2d1a19;--warn: #fdb022;--ok: #47cd89;--ok-soft: #12261c;--shadow-sm: 0 1px 2px rgb(0 0 0 / 40%);--shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 24px rgb(0 0 0 / 32%);--shadow-lg: 0 16px 48px rgb(0 0 0 / 55%)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14.5px/1.5 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3{letter-spacing:-.012em}button,input,select{font:inherit;color:inherit}button{cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:7px 13px;transition:background .12s var(--ease),border-color .12s var(--ease),color .12s 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transparent;border-radius:8px}a.icon-btn:hover{background:var(--surface-2);color:var(--text)}.icon-btn.ghost:hover:not(:disabled),.icon-btn.active{color:var(--text);background:var(--surface-2)}.icon-btn.danger{background:transparent;border-color:transparent}.tooltip{position:fixed;z-index:90;max-width:260px;padding:5px 9px;border-radius:6px;background:var(--text);color:var(--bg);font-size:12.5px;font-weight:500;pointer-events:none;transform:translate(-50%);white-space:nowrap;box-shadow:var(--shadow);inset:auto;margin:0;border:0;overflow:visible}.tooltip[data-side=right]{transform:translateY(-50%)}.tooltip[data-side=top]{transform:translate(-50%,-100%)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-grid;place-items:center}.spinner svg{animation:spin .8s linear infinite}.loading-block{display:flex;align-items:center;justify-content:center;gap:10px;padding:48px 0;color:var(--text-dim)}@keyframes shimmer{to{background-position:-200% 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a{display:inline-flex}.file-icon{display:inline-grid;place-items:center;flex:none;width:32px;height:32px;border-radius:9px;background:var(--surface-3);color:var(--text-dim)}.file-icon.folder{background:var(--accent-soft);color:var(--accent)}.file-icon[data-icon=image]{background:color-mix(in srgb,#12b76a 15%,transparent);color:#12b76a}.file-icon[data-icon=video]{background:color-mix(in srgb,#ee46bc 15%,transparent);color:#ee46bc}.file-icon[data-icon=music]{background:color-mix(in srgb,#f79009 16%,transparent);color:#f79009}.file-icon[data-icon=sheet]{background:color-mix(in srgb,#12b76a 15%,transparent);color:#12b76a}.file-icon[data-icon=presentation],.file-icon[data-icon=archive]{background:color-mix(in srgb,#f04438 14%,transparent);color:#f04438}.file-icon.large{width:56px;height:56px;border-radius:14px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:center;cursor:pointer;overflow:hidden;transition:border-color .12s var(--ease),box-shadow .12s var(--ease),transform .12s var(--ease)}button.card:hover:not(:disabled){background:var(--surface)}button.card.marked:hover:not(:disabled){background:var(--accent-soft)}.card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-1px)}.card .thumb{height:92px;display:grid;place-items:center;margin-bottom:10px}.card .thumb img{max-width:100%;max-height:92px;border-radius:8px;object-fit:cover}.card .card-name{display:block;font-size:13.5px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card .card-meta{display:block;font-size:12px;color:var(--text-dim);margin-top:3px}.move-hint{background:var(--accent-soft);color:var(--accent);border:1px dashed var(--accent);border-radius:8px;padding:9px 13px;margin-bottom:14px;font-size:13.5px}.card.marked,.row.marked{outline:2px dashed 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.cover{width:52px;border-radius:6px}.player-meta{min-width:0}.player-title{font-weight:550;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-sub{font-size:12px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-controls{display:flex;gap:4px}.player-play{display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:50%;background:var(--accent);color:var(--accent-text);cursor:pointer}.player-play:hover{filter:brightness(1.1)}.player-error{color:var(--danger)}.player-seek,.player-volume{display:flex;align-items:center;gap:8px;min-width:0}.player-time{font-size:12px;color:var(--text-dim);font-variant-numeric:tabular-nums;min-width:34px;text-align:center}.player-range{flex:1;width:auto;min-width:0;height:4px;padding:0;border:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;border-radius:2px;cursor:pointer;background:linear-gradient(to right,var(--accent) var(--played),var(--text-dim) 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button{white-space:nowrap}.album-source,.shelf-source{font-size:11.5px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;display:block;width:100%;border:none;background:none;padding:2px 0 0}.shelf-source:hover{color:var(--accent);background:none}.group-list{font-size:12.5px;color:var(--text-dim);margin:-6px 0 14px}.choice-toggle{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;margin-bottom:14px}.choice-toggle button{border:none;border-radius:0;background:var(--surface)}.choice-toggle button.active{background:var(--accent-soft);color:var(--accent);font-weight:550}.folder-list{border:1px solid var(--border);border-radius:8px;max-height:240px;overflow-y:auto}.folder-row{display:block;width:100%;text-align:left;border:none;border-radius:0;border-bottom:1px solid var(--border);background:var(--surface);padding:9px 12px}.folder-row:last-child{border-bottom:none}.empty-inline{padding:12px;color:var(--text-dim);font-size:13px}@media(max-width:820px){.album-detail{grid-template-columns:1fr}.album-side{position:static;max-width:260px}.player{grid-template-columns:44px 1fr auto auto}.player audio{display:none}.nav-section,.nav-count{display:none}}