:root{--bg:#f6f8fb;--panel:#fff;--panel-soft:#f1f6fb;--text:#1c2630;--muted:#66737f;--line:#dfe7ec;--accent:#2f74c0;--accent-strong:#1f5fa6;--accent-soft:#e2eefc;--accent-rgb:47, 116, 192;--nav-text:#3f4d58;--heading:#14202a;--secondary-text:#304451;--meta-text:#314855;--meta-bg:#eef4f5;--note-text:#6d3b49;--note-bg:#f7e8ec;--chip-border:#d5e2f2;--chip-text:#24476f;--chip-bg:#eef5ff;--disabled-text:#9aa7ad;--disabled-bg:#f0f3f4;--disabled-border:#e0e6e8;--surface-muted:#f8fbfc;--control-text:#324751;--control-bg:#edf3f5;--segmented-bg:#f2f6f8;--lyric-text:#253440;--empty-bg:#f3f6f8;--brand-gradient-start:#1f5fa6;--brand-gradient-end:#4f8bd4;--brand-shadow:#2f74c03d;--disc-ring:#1f5fa680;--disc-groove:#1f5fa62e;--rose:#b85b70;--rose-rgb:184, 91, 112;--sequence:#557bb8;--shadow:0 18px 42px #2736441a;--radius:8px;--sidebar-width:292px;--content-max:1400px;--page-padding:34px;--scrollbar-width:17px;--player-bar-space:116px;--player-bar-bottom:16px;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif}:root[data-theme=green]{--bg:#f5f8f4;--panel:#fff;--panel-soft:#f0f7f1;--text:#1d2a24;--muted:#65766d;--line:#dce8dd;--accent:#4c8f63;--accent-strong:#2f7047;--accent-soft:#e3f1e7;--accent-rgb:76, 143, 99;--nav-text:#40524a;--heading:#15231b;--secondary-text:#31483a;--meta-text:#314b3b;--meta-bg:#edf5ef;--note-text:#6d3f4c;--note-bg:#f7e9ed;--chip-border:#d5e8da;--chip-text:#2f7047;--chip-bg:#edf7ef;--disabled-text:#99a9a0;--disabled-bg:#f0f4f1;--disabled-border:#e0e8e2;--surface-muted:#f8fbf8;--control-text:#344a3b;--control-bg:#edf4ef;--segmented-bg:#f1f7f2;--lyric-text:#25382c;--empty-bg:#f3f7f4;--brand-gradient-start:#2f7047;--brand-gradient-end:#72ad78;--brand-shadow:#4c8f633d;--disc-ring:#2f704785;--disc-groove:#2f70472e;--rose:#b46072;--rose-rgb:180, 96, 114;--sequence:#4f8360;--shadow:0 18px 42px #2b3f321a}*{box-sizing:border-box}body{min-width:320px;scroll-padding-bottom:calc(var(--player-bar-space) + env(safe-area-inset-bottom));margin:0;overflow:hidden}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.app-shell{grid-template-columns:var(--sidebar-width) minmax(0, 1fr);height:100vh;display:grid;overflow:hidden}.sidebar{border-right:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffdb;height:100vh;padding:22px 18px;overflow:auto}.brand-row{align-items:center;gap:12px;margin-bottom:24px;display:flex}.brand{min-width:0;display:block}.brand-mark{appearance:none;background:radial-gradient(circle at 28% 24%, #ffffff52, transparent 22px), linear-gradient(145deg, var(--brand-gradient-start), var(--brand-gradient-end));width:42px;height:42px;box-shadow:0 10px 22px var(--brand-shadow);cursor:pointer;border:0;border-radius:8px;flex:none;place-items:center;padding:0;line-height:0;display:grid}.brand-mark svg{width:38px;height:38px}.brand-disc{fill:#fffffff5}.brand-disc-ring{fill:none;stroke:var(--disc-ring);stroke-width:1.9px}.brand-disc-groove{fill:none;stroke:var(--disc-groove);stroke-width:1.3px}.brand-disc-hole{fill:var(--accent-strong)}.brand strong,.brand small{display:block}.brand strong{white-space:nowrap;font-size:17px}.brand span:last-child{min-width:0}.brand small,.eyebrow,.section-label,.song-title span,.song-album,.album-card small,.player-song span,.hint-line{color:var(--muted)}.brand small{margin-top:2px;font-size:12px}.primary-nav,.album-rail,.page-stack,.note-list,.status-list,.steps{flex-direction:column;display:flex}.primary-nav{gap:4px;margin-bottom:26px}.primary-nav a,.album-rail a{min-height:38px;color:var(--nav-text);border-radius:8px;align-items:center;gap:10px;display:flex}.primary-nav a{padding:0 10px}.primary-nav a.active,.primary-nav a:hover,.album-rail a:hover,.album-rail a.active{color:var(--accent-strong);background:var(--accent-soft)}.sidebar-section{border-top:1px solid var(--line);padding-top:18px}.section-label{align-items:center;gap:7px;margin-bottom:10px;font-size:13px;font-weight:700;display:flex}.album-rail{gap:2px}.album-rail a{padding:0 8px;font-size:13px}.album-rail span{color:var(--sequence);min-width:38px;font-weight:700}.main-panel{height:calc(100vh - var(--player-bar-space) - env(safe-area-inset-bottom));padding:var(--page-padding);scroll-padding-bottom:var(--page-padding);overflow:hidden auto}.main-content{width:min(var(--content-max), 100%);margin-inline:auto}.page-stack{gap:28px}.hero-section{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(135deg, rgba(var(--accent-rgb), .12), rgba(var(--rose-rgb), .08)), var(--panel);min-height:430px;box-shadow:var(--shadow);grid-template-columns:minmax(0,1fr) 300px;align-items:center;gap:30px;padding:42px;display:grid}.hero-section img,.album-hero img,.song-info-panel img{aspect-ratio:1;object-fit:cover;border:1px solid var(--line);background:var(--panel);border-radius:8px}.hero-section h1,.page-header h1,.album-hero h1,.song-info-panel h1{color:var(--heading);letter-spacing:0;margin:8px 0 14px;line-height:1.08}.hero-section h1{max-width:760px;font-size:48px}.hero-section p,.page-header p,.album-hero p,.song-info-panel p{max-width:720px;color:var(--muted);margin:0;line-height:1.75}.eyebrow{letter-spacing:0;text-transform:uppercase;font-size:12px;font-weight:800}.hero-actions,.player-controls,.meta-grid,.album-notes,.lyric-header,.section-title{align-items:center;display:flex}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:24px}.song-page-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:4px;display:grid}.primary-button,.secondary-button,.icon-button,.play-button{cursor:pointer;border:0;justify-content:center;align-items:center;display:inline-flex}.primary-button,.secondary-button{border-radius:8px;gap:8px;min-height:42px;padding:0 16px;font-weight:700}.primary-button:disabled,.secondary-button:disabled{cursor:not-allowed;opacity:.55}.primary-button{color:#fff;background:var(--accent)}.primary-button:hover{background:var(--accent-strong)}.secondary-button{color:var(--secondary-text);background:var(--panel);border:1px solid var(--line)}.secondary-button.compact{white-space:nowrap;gap:5px;min-height:36px;padding:0 8px}.stats-grid,.album-grid,.admin-grid{gap:16px;display:grid}.stats-grid{grid-template-columns:repeat(3,1fr)}.stats-grid div,.section-block,.album-card,.admin-card,.lyric-card,.song-info-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.stats-grid div{gap:8px;padding:20px;display:grid}.stats-grid svg,.admin-card svg{color:var(--accent)}.stats-grid strong{font-size:28px}.stats-grid span,.admin-card p{color:var(--muted)}.section-block{padding:24px}.section-block h2,.admin-card h2,.lyric-card h2{margin:0;font-size:22px}.section-title{justify-content:space-between;gap:16px;margin-bottom:18px}.section-title a,.back-link{color:var(--accent-strong);font-weight:700}.album-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.album-grid.compact{grid-template-columns:repeat(4,minmax(0,1fr))}.album-card{gap:10px;padding:12px;transition:transform .16s,box-shadow .16s;display:grid}.album-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.album-card img{aspect-ratio:1;object-fit:cover;border-radius:7px;width:100%}.album-card span{color:var(--sequence);font-size:12px;font-weight:800}.album-card strong{line-height:1.35}.page-header{padding:8px 0 2px}.page-header h1{font-size:40px}.page-header.with-tools{justify-content:space-between;align-items:end;gap:24px;display:flex}.search-input{border:1px solid var(--line);background:var(--panel);width:min(360px,100%);height:42px;color:var(--text);border-radius:8px;padding:0 14px}.profile-layout{grid-template-columns:340px minmax(0,1fr);gap:24px;display:grid}.profile-layout img{border:1px solid var(--line);background:var(--panel);border-radius:8px;width:100%}.profile-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.profile-fields div{border:1px solid var(--line);background:var(--panel);border-radius:8px;gap:6px;padding:14px;display:grid}.profile-fields span{color:var(--muted);font-size:13px}.note-list{gap:8px;margin-top:14px}.note-list p{color:var(--muted);margin:0;line-height:1.7}.album-hero{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow);grid-template-columns:280px minmax(0,1fr);align-items:center;gap:28px;padding:28px;display:grid}.album-hero h1{font-size:42px}.meta-grid{flex-wrap:wrap;gap:10px;margin-top:22px}.meta-grid span,.album-notes span{min-height:30px;color:var(--meta-text);background:var(--meta-bg);border-radius:999px;align-items:center;gap:7px;padding:0 10px;font-size:13px;display:inline-flex}.album-notes{flex-wrap:wrap;gap:8px;margin-top:14px}.album-notes span{color:var(--note-text);background:var(--note-bg)}.resource-chips{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.resource-chips a,.resource-chips span{border:1px solid var(--chip-border);min-width:46px;min-height:26px;color:var(--chip-text);background:var(--chip-bg);border-radius:999px;justify-content:center;align-items:center;padding:0 9px;font-size:12px;font-weight:800;display:inline-flex}.resource-chips a:hover{color:#fff;background:var(--accent);border-color:var(--accent)}.resource-chips .disabled{color:var(--disabled-text);background:var(--disabled-bg);border-color:var(--disabled-border);cursor:not-allowed}.song-resources{justify-content:flex-end}.detail-resources{justify-content:flex-start}.song-resource-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.selection-toolbar{border:1px solid 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h1{margin-bottom:0;font-size:32px}.back-link{margin-top:4px}.lyric-card{flex-direction:column;height:100%;min-height:0;padding:24px;display:flex}.lyric-header{justify-content:space-between;gap:16px;margin-bottom:18px}.segmented{border:1px solid var(--line);background:var(--segmented-bg);border-radius:8px;padding:4px;display:inline-flex}.segmented button{min-height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:0 12px}.segmented button.active{color:var(--accent-strong);background:var(--panel);box-shadow:0 1px 5px #1e2d3c17}.segmented button:disabled{cursor:not-allowed;opacity:.45}.lyric-body{flex:1;min-height:0;max-height:none;padding:18px 0;scroll-padding-bottom:18px;overflow:hidden auto}.plain-lyrics{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--lyric-text);margin:0;font-family:inherit;line-height:2}.synced-lyrics p{overflow-wrap:anywhere;color:var(--muted);margin:0;padding:9px 4px;font-size:18px;line-height:1.6;transition:color .14s,transform .14s}.synced-lyrics p.active{color:var(--accent-strong);font-weight:800;transform:translate(6px)}.empty-state,.hint-line{background:var(--empty-bg);border-radius:8px}.empty-state{color:var(--muted);padding:24px}.hint-line{margin-top:18px;padding:12px;font-size:13px}.admin-grid{grid-template-columns:repeat(3,1fr)}.admin-card{gap:12px;padding:20px;display:grid}.admin-card p{margin:0;line-height:1.7}.status-list,.steps{gap:12px;margin:14px 0 0}.status-list div{color:var(--muted);align-items:center;gap:10px;display:flex}.status-list svg{color:var(--accent);flex:none}.steps{color:var(--muted);padding-left:22px;line-height:1.8}.player-bar{bottom:var(--player-bar-bottom);left:calc(var(--sidebar-width) + var(--page-padding) + max(0px, (100vw - var(--sidebar-width) - var(--scrollbar-width) - (var(--page-padding) * 2) - var(--content-max)) / 2));z-index:20;min-height:66px;width:min(calc(100vw - var(--sidebar-width) - var(--scrollbar-width) - (var(--page-padding) * 2)), var(--content-max));border:1px solid var(--line);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff0;border-radius:8px;grid-template-columns:minmax(180px,1fr) auto minmax(240px,.7fr);align-items:center;gap:14px;padding:10px 14px;display:grid;position:fixed;right:auto}.player-song{gap:3px;min-width:0;display:grid}.player-song strong,.player-song span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.player-controls{gap:8px}.play-button{color:#fff;background:var(--accent)}.player-progress{color:var(--muted);grid-template-columns:46px minmax(80px,1fr) 46px;align-items:center;gap:8px;font-size:12px;display:grid}.player-progress input{width:100%;accent-color:var(--accent)}.player-error{color:var(--rose);grid-column:1/-1;font-size:13px}@media (width<=980px){:root{--player-bar-space:186px;--player-bar-bottom:10px}body{overflow:auto}.app-shell{height:auto;min-height:calc(100vh + var(--player-bar-space) + env(safe-area-inset-bottom));display:block;overflow:visible}.sidebar{border-right:0;border-bottom:1px solid var(--line);height:auto;position:static}.sidebar-section{display:none}.primary-nav{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:0;display:grid}.primary-nav a{justify-content:center;padding:0 8px}.main-panel{height:auto;padding:22px 22px calc(22px + var(--player-bar-space) + env(safe-area-inset-bottom));overflow:visible}.main-content{width:100%}.hero-section,.album-hero,.profile-layout,.song-detail-layout{grid-template-columns:1fr}.song-detail-layout{height:auto}.hero-section{min-height:auto;padding:24px}.hero-section h1,.page-header h1,.album-hero h1{font-size:34px}.hero-section img,.album-hero img{justify-self:center;width:min(280px,100%)}.stats-grid,.album-grid.compact,.admin-grid,.profile-fields{grid-template-columns:1fr}.page-header.with-tools{align-items:start;display:grid}.song-row{grid-template-columns:38px 38px minmax(0,1fr)}.song-row.selectable{grid-template-columns:30px 38px 38px minmax(0,1fr)}.song-row.compact{grid-template-columns:38px 38px minmax(0,1fr)}.song-row.selectable.compact{grid-template-columns:30px 38px 38px minmax(0,1fr)}.song-resources{grid-column:1/-1;justify-content:flex-start}.song-album{display:none}.song-info-panel{min-height:auto;position:static}.lyric-card{height:auto;min-height:auto}.lyric-body{max-height:none}.player-bar{left:22px;right:22px;bottom:var(--player-bar-bottom);grid-template-columns:1fr auto;width:auto}.player-progress{grid-column:1/-1}}@media (width<=560px){.primary-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.main-panel{padding:16px 16px calc(16px + var(--player-bar-space) + env(safe-area-inset-bottom))}.hero-section,.section-block,.album-hero,.lyric-card,.song-info-panel{padding:18px}.hero-section h1,.page-header h1,.album-hero h1{font-size:28px}.player-bar{font-size:14px;left:16px;right:16px}}