:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--page);font-size:14px;color-scheme:light;--accent:#007e78;--accent-solid:#007e78;--on-accent:#fff;--border:#dce5e5;--text:#192d34;--page:#f2f5f5;--surface:#fff;--soft:#f4f7f7;--muted:#61777c;--label:#52666b;--active:#e2f2ee;--danger:#b74141;--focus:#7ec6be;--handle:#9aacaf;--pill-bg:#e8f4ef;--pill-text:#33756d;--replay-bg:#edf1ff;--replay-text:#596aba;--fcc-bg:#fff1df;--fcc-text:#8b5a0f;--empty-border:#bacdcd;--logo-bg:#a1acae;--backdrop:#102e3d60;--shadow:#122a3430;--auth-glow:#dcefe9;--toast:#183c41}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:9px 13px;color:inherit}button:hover{border-color:var(--accent);color:var(--accent)}button.primary{background:var(--accent-solid);color:var(--on-accent);border-color:var(--accent)}button.danger{color:var(--danger)}input,select,textarea{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);min-width:0;width:100%;color:inherit}input:focus,select:focus,textarea:focus{outline:2px solid var(--focus)}header{height:76px;padding:0 30px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px}header>div{display:flex;gap:20px;align-items:center}.brand{font-weight:800;font-size:24px;letter-spacing:-1px;color:var(--accent)}.muted,.hint{color:var(--muted)}.hint{font-size:12px;line-height:1.8}.layout{display:grid;grid-template-columns:235px 1fr;min-height:calc(100vh - 76px)}aside{padding:22px 16px;background:var(--surface);border-right:1px solid var(--border)}.section-title{display:flex;align-items:center;justify-content:space-between;font-weight:700;margin:0 0 10px}.section-title:nth-of-type(2){margin-top:28px}.section-title button{padding:2px 8px}nav{display:grid;gap:5px}.nav-item{display:flex;align-items:center;gap:5px;border-radius:8px}.nav-item.active{background:var(--active)}.nav-item.dragover{outline:2px dashed var(--accent)}.nav-item>button:first-child{background:transparent;border:0;text-align:left;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}.nav-item>button.small{padding:4px;border:0;background:transparent;font-size:12px}.aside-bottom{margin-top:30px;display:grid;gap:8px}main{padding:28px 32px;min-width:0}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}.toolbar>div:last-child{display:flex;gap:8px;flex-wrap:wrap}h1{font-size:24px;margin:0 0 6px}h2{font-size:20px;margin:0}p{margin:8px 0}.searchline{display:flex;gap:18px;align-items:center;margin-bottom:18px}.searchline input{max-width:450px}.channel{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin:9px 0;padding:13px;display:grid;grid-template-columns:24px 82px minmax(0,1fr) auto;gap:15px;align-items:center}.channel.dragover{border:2px dashed var(--accent)}.handle{cursor:grab;font-size:24px;color:var(--handle)}.logo{height:48px;display:flex;align-items:center;justify-content:center;background:var(--soft);border:0;padding:2px}.logo img{max-width:78px;max-height:46px;object-fit:contain}.channel-title{font-size:16px;font-weight:650}.pill{display:inline-block;font-size:11px;background:var(--pill-bg);color:var(--pill-text);padding:3px 6px;border-radius:4px;margin-left:8px}.stream{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:7px}.actions{display:flex;gap:4px}.actions button{padding:6px 8px}.empty{text-align:center;color:var(--muted);padding:70px 15px;border:1px dashed var(--empty-border);border-radius:16px}dialog{border:1px solid var(--border);border-radius:16px;padding:25px;width:min(700px,94vw);max-height:90vh;overflow:auto;box-shadow:0 20px 70px var(--shadow)}dialog::backdrop{background:var(--backdrop)}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.dialog-head .close{border:0;padding:2px 8px;font-size:26px}label{display:grid;gap:7px;margin:12px 0;color:var(--label);font-size:13px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.wide{grid-column:1 / -1}.inputrow{display:flex;gap:8px}.check{display:flex;align-items:center}.check input{width:auto}footer{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}textarea{margin-top:15px;resize:vertical}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--toast);color:var(--on-accent);padding:12px 22px;border-radius:10px;display:none;z-index:10;max-width:90vw}#links a{display:block;color:var(--accent);overflow-wrap:anywhere;padding:8px;background:var(--soft);border-radius:6px;margin:4px 0}#links strong{display:block;margin-top:16px}#logoGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}#logoGrid button img{max-width:100%;height:45px;object-fit:contain}#logoGrid button small{display:block;overflow:hidden;text-overflow:ellipsis}
@media(max-width:800px){header{padding:12px 15px;height:auto}.brand{font-size:21px}header .muted{display:none}header>div{gap:8px}#status{font-size:11px}.layout{grid-template-columns:1fr}aside{padding:12px 15px;border-right:0;border-bottom:1px solid var(--border)}nav{display:flex;flex-wrap:wrap}.nav-item{max-width:100%}.section-title:nth-of-type(2){margin-top:12px}.aside-bottom{display:flex;flex-wrap:wrap;margin-top:12px}.hint{font-size:11px}aside>.hint{display:none}main{padding:20px 14px}.toolbar{align-items:flex-start;flex-direction:column}.searchline{flex-direction:column;align-items:stretch;gap:4px}.searchline input{max-width:none}.channel{grid-template-columns:16px 52px minmax(0,1fr);gap:9px}.logo img{max-width:48px}.actions{grid-column:2 / -1;justify-content:flex-end}.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}.inputrow{flex-wrap:wrap}.inputrow input{flex-basis:100%}#logoGrid{grid-template-columns:repeat(3,1fr)}}

/* v0.2：页面外壳不滚动，仅频道内容滚动。 */
[hidden]{display:none!important}
html,body{height:100%;overflow:hidden}
.app-shell{height:100vh;height:100dvh;display:flex;flex-direction:column}
.app-shell>header{flex:0 0 76px}
.layout{flex:1;min-height:0;overflow:hidden}
aside{min-height:0;overflow:hidden;display:flex;flex-direction:column}
#lists,#groups{display:block;min-height:0;overflow-y:auto;flex-shrink:1;overscroll-behavior:contain}
#lists{max-height:26vh}#groups{flex:1}
.section-title,aside>.hint,.aside-bottom{flex-shrink:0}
.aside-bottom{margin-top:16px}
main{min-height:0;overflow:hidden;display:flex;flex-direction:column;padding-bottom:0}
.toolbar,.searchline{flex-shrink:0}
.channel-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-bottom:24px}
.pill.replay{background:var(--replay-bg);color:var(--replay-text)}.pill.fcc{background:var(--fcc-bg);color:var(--fcc-text)}
.channel-title{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.channel-title .pill{margin-left:0}
.handle{touch-action:none;user-select:none;-webkit-user-select:none}
.touch-dragging{opacity:.65;border-color:var(--accent)}
.auth-screen{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto;background:radial-gradient(ellipse at top,var(--auth-glow),transparent 70%),var(--page)}
.auth-card{width:min(400px,100%);padding:32px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 14px 60px #173e3910}
.auth-card h1{margin:26px 0 6px;font-size:20px;line-height:1.4}.auth-card>.primary{width:100%;margin-top:8px}.error{color:var(--danger);min-height:20px;font-size:13px}
@media(max-width:800px){
.app-shell>header{flex:0 0 auto}.layout{display:flex;flex-direction:column}
aside{flex:0 0 auto;max-height:30dvh;padding:8px 12px;display:block;overflow:hidden}
#lists,#groups{display:flex;overflow-x:auto;overflow-y:hidden;flex-wrap:nowrap;max-height:none;gap:4px}#groups{max-height:40px}
.nav-item{flex:0 0 auto}.section-title{margin-bottom:4px!important}.section-title:nth-of-type(2){margin-top:6px}
.aside-bottom{margin-top:8px;flex-wrap:nowrap;overflow-x:auto}.aside-bottom button{white-space:nowrap;padding:5px 8px;font-size:11px}
main{flex:1;padding:12px 12px 0}.toolbar{flex-direction:row;gap:7px;margin-bottom:10px}.toolbar h1{font-size:18px}.toolbar>div:last-child{gap:4px;justify-content:flex-end}.toolbar button{font-size:11px;padding:6px 8px}
.searchline{margin-bottom:8px}.searchline>.hint{display:none}.channel-scroll{padding-bottom:14px}header button{padding:7px 9px;font-size:12px}
}

/* v0.2.2：统一设置入口与紧凑工具栏。 */
.toolbar{align-items:center;gap:20px;margin-bottom:16px}
.toolbar-title{flex:0 1 auto;min-width:130px;max-width:28%}.toolbar-title h1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.toolbar-controls{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:8px;min-width:0}
.toolbar-controls #search{flex:1;max-width:430px;min-width:150px;width:auto}
.toolbar-controls button{flex:0 0 auto;white-space:nowrap}
.nav-handle{cursor:grab;font-size:18px;color:var(--handle);padding-left:8px;touch-action:none;user-select:none;-webkit-user-select:none;flex-shrink:0}
.nav-item>button:not(.small){background:transparent;border:0;text-align:left;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--border)}
.setting-row:last-child{border-bottom:0}.setting-row h3{margin:0 0 6px;font-size:16px}.setting-row p{font-size:13px;margin:0;line-height:1.7}.setting-row>button{flex-shrink:0}
@media(min-width:801px) and (max-width:1100px){.toolbar{flex-wrap:wrap;gap:10px}.toolbar-title{max-width:none}.toolbar-controls{flex-basis:100%;justify-content:flex-start}.toolbar-controls #search{max-width:none}}
@media(max-width:800px){
.toolbar{display:grid;grid-template-columns:1fr;gap:8px;align-items:center;margin-bottom:10px}
.toolbar-title{max-width:none;min-width:0;display:flex;align-items:baseline;justify-content:space-between;gap:8px}.toolbar-title h1{margin:0}.toolbar-title p{margin:0;white-space:nowrap;font-size:11px}
.toolbar>div.toolbar-controls{display:grid;grid-template-columns:minmax(90px,1fr) auto auto auto;gap:4px;min-width:0}
.toolbar-controls #search{min-width:0;max-width:none;width:100%;padding:8px;font-size:12px}.toolbar-controls button{padding:7px 6px;font-size:11px}
.nav-handle{font-size:16px;padding-left:5px}.setting-row{gap:10px}.setting-row p{font-size:12px}
}

/* v0.3: batch editing, logo matching, draft undo and publish history. */
header>div{gap:10px}header button{white-space:nowrap}
.bulk-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;flex-shrink:0;padding:0 0 10px}
.bulk-toolbar label{margin:0}.bulk-toolbar button{padding:6px 10px}.bulk-toolbar #selectionCount{margin-right:auto}
.channel{grid-template-columns:18px 24px 82px minmax(0,1fr) auto;gap:12px}
.channel-select{width:17px;height:17px;padding:0;accent-color:var(--accent)}
.inputrow>button{flex-shrink:0;white-space:nowrap}.inputrow>input{flex:1;width:auto;min-width:0}
.preview-list{max-height:32vh;overflow:auto;overscroll-behavior:contain}.preview-row{padding:12px 4px;border-bottom:1px solid var(--border);overflow-wrap:anywhere}.preview-row p{white-space:pre-wrap}.preview-row:last-child{border-bottom:0}
#autoLogoPreview .preview-row{display:grid;grid-template-columns:88px 1fr;gap:0 12px;align-items:center}#autoLogoPreview img{grid-row:1 / 3;width:88px;height:53px;object-fit:contain;background:var(--logo-bg);border-radius:6px}#autoLogoPreview p{grid-column:2}
#logoGrid button img{background:var(--logo-bg);border-radius:4px;width:100%;height:64px}.logo-recommend{color:var(--accent);font-weight:700}
.subscription-row{display:flex;align-items:center;gap:8px}.subscription-row a{flex:1;min-width:0}.subscription-row button{flex-shrink:0;white-space:nowrap}
.clipboard-helper{position:fixed;left:0;top:0;width:1px;height:1px;opacity:0}
#historyEntries .preview-row>button{margin-top:6px}button:disabled{cursor:default;opacity:.45}
#batchForm footer{position:sticky;bottom:-25px;background:var(--surface);padding:12px 0}
@media(max-width:800px){
header{flex-wrap:wrap;padding:8px 12px}header>div:last-child{width:100%;justify-content:flex-end;gap:6px}header #status{margin-right:auto}
.bulk-toolbar{gap:6px}.bulk-toolbar button{font-size:11px;padding:5px 7px}.bulk-toolbar label,.bulk-toolbar span{font-size:11px}
.channel{grid-template-columns:17px 16px 52px minmax(0,1fr);gap:7px}.actions{grid-column:3 / -1}
.inputrow>input{flex-basis:100%;width:100%}dialog{padding:18px}#batchForm footer{bottom:-18px;gap:5px}#batchForm footer button{padding:8px;font-size:12px}
#logoGrid button{padding:6px}#logoGrid button img{height:48px}.preview-list{max-height:30dvh}
}
.inputrow .check{white-space:nowrap}.inputrow .check input{flex:0 0 auto;width:13px}

.logo-tabs{display:flex;gap:8px;margin:14px 0}.logo-tabs button{flex:1}.logo-tabs [aria-selected="true"]{background:var(--accent-solid);color:var(--on-accent)}.logo-source-row{border-top:1px solid var(--border);padding:14px 0}.logo-source-row p{overflow-wrap:anywhere}.logo-source-actions{display:flex;gap:8px;flex-wrap:wrap}#logosDialog [hidden]{display:none}#logoGrid img{object-fit:contain}#logoGrid small{overflow-wrap:anywhere}#logoGrid{max-height:42dvh;overflow-y:auto}#sourceEntries{max-height:38dvh;overflow-y:auto}

#logoManagerDialog{width:min(880px,94vw)}#managerLogoGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;max-height:52dvh;overflow-y:auto;margin-top:12px}.library-logo-card{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--border);border-radius:10px;min-width:0}.library-logo-card img{width:100%;height:80px;object-fit:contain;background:var(--logo-bg);border-radius:6px}.library-logo-card strong,.library-logo-card small{overflow-wrap:anywhere}.library-logo-card small{color:var(--muted)}.library-logo-actions{display:flex;gap:6px;margin-top:auto}.library-logo-actions button{flex:1}.logo-tabs button{white-space:nowrap}#logoConflictDialog{max-width:440px}

/* Shared colors keep every dialog and native control consistent with the theme. */
:root[data-theme="dark"]{color-scheme:dark;--accent:#79cec2;--accent-solid:#226e65;--on-accent:#fff;--border:#343434;--text:#e7e7e7;--page:#101010;--surface:#1c1c1c;--soft:#252525;--muted:#ababab;--label:#cccccc;--active:#303030;--danger:#ffaaa5;--focus:#79cec2;--handle:#929292;--pill-bg:#303735;--pill-text:#b2cdc4;--replay-bg:#2c3245;--replay-text:#bacbff;--fcc-bg:#403521;--fcc-text:#f3cf92;--empty-border:#484848;--logo-bg:#242424;--backdrop:#000000b3;--shadow:#00000070;--auth-glow:#292929;--toast:#333333}
dialog{background:var(--surface);color:var(--text)}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}input[type="checkbox"]{accent-color:var(--accent-solid)}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--focus);outline-offset:3px}::selection{background:var(--active);color:var(--text)}:root{scrollbar-color:var(--handle) var(--surface)}#toast{color:#fff}

/* Project identity: the same mark appears in the browser tab and app header. */
.brand{display:inline-flex;align-items:center;gap:9px;letter-spacing:-.5px;white-space:nowrap}.brand-icon{display:block;width:32px;height:32px;flex-shrink:0}@media(max-width:800px){header .brand{font-size:17px;gap:6px}header .brand-icon{width:26px;height:26px}}

.brand-play{fill:var(--text)}

/* English labels need room without pushing controls off a narrow screen. */
header>div:last-child{flex-wrap:wrap;justify-content:flex-end;gap:8px}
@media(min-width:801px) and (max-width:1200px){header{height:auto;min-height:76px;padding-top:10px;padding-bottom:10px}.app-shell>header{flex-basis:auto}.toolbar-controls{flex-wrap:wrap}.toolbar-controls input{min-width:160px}}
:root[lang="en"] .nav-item button{overflow-wrap:anywhere}
@media(max-width:800px){
 :root[lang="en"] .toolbar-controls{display:flex;flex-wrap:wrap;justify-content:flex-start}
 :root[lang="en"] .toolbar-controls #search{flex:1 0 100%;width:100%;margin:0}
 :root[lang="en"] .setting-row{flex-wrap:wrap}
 :root[lang="en"] .setting-row>div{min-width:0}
}
/* Compact language and theme menus share the same header position. */
.appearance-controls{display:flex;gap:8px;align-items:center;flex-shrink:0}
.icon-menu{display:inline-flex}.icon-button,#themeToggle{width:38px;height:38px;min-width:38px;padding:8px;display:inline-flex;align-items:center;justify-content:center}
.icon-button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.icon-button svg[hidden]{display:none}
.preference-menu{position:fixed;inset:auto;margin:0;width:168px;padding:5px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);box-shadow:0 8px 28px var(--shadow)}
.preference-menu:popover-open{display:grid;gap:2px}
.preference-menu button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:9px 12px;border:0;border-radius:6px;text-align:left;background:transparent}
.preference-menu button:hover,.preference-menu button:focus-visible{background:var(--soft)}
.preference-menu button[aria-checked="true"]{color:var(--accent);background:var(--active)}
.preference-menu button[aria-checked="true"]::after{content:'✓';margin-left:12px}
.auth-brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.auth-brand-row .brand{font-size:22px;gap:9px}
.auth-brand-row .brand-icon{width:30px;height:30px}
.auth-brand-row .icon-menu{flex-shrink:0}
.auth-brand-row .icon-button{width:34px;height:34px;min-width:34px;padding:7px}
.auth-card #authHint{margin:0 0 20px;line-height:1.6}
.auth-card label{margin:16px 0}
.auth-card #authError:empty{display:none}
.auth-card>.primary{margin-top:8px}
@media(max-width:400px){.auth-card{padding:24px}.auth-brand-row{gap:10px}.auth-brand-row .brand{font-size:20px;gap:7px}.auth-brand-row .brand-icon{width:28px;height:28px}}

@media(max-width:360px){.auth-brand-row{gap:6px}.auth-brand-row .brand{font-size:16px;gap:6px}.auth-brand-row .brand-icon{width:24px;height:24px}.auth-brand-row .appearance-controls{gap:6px}.auth-brand-row .icon-button{width:32px;height:32px;min-width:32px}}

.source-latency{display:inline-block;font-size:12px;font-weight:600;padding:3px 7px;border-radius:5px;white-space:nowrap}
.source-latency.green{color:#13743a;background:#dff6e7}.source-latency.yellow{color:#815000;background:#fff0ba}.source-latency.red{color:#a32828;background:#ffe1e1}.source-latency.muted{color:var(--muted);background:var(--soft)}
[data-theme="dark"] .source-latency.green{color:#8ee3ac;background:#163925}[data-theme="dark"] .source-latency.yellow{color:#f4d779;background:#423719}[data-theme="dark"] .source-latency.red{color:#ffaaaa;background:#482525}
#sourceCheckProgress{width:100%;accent-color:var(--accent)}.source-check-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.source-check-controls label{margin:0;margin-right:auto}.source-check-results{max-height:45vh;overflow:auto;margin-top:16px}.source-check-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px;border-bottom:1px solid var(--border)}.source-check-row>span:first-child{overflow-wrap:anywhere;min-width:0}

button.source-latency{border:1px solid transparent;cursor:pointer;line-height:1.3}button.source-latency:hover:not(:disabled){border-color:currentColor}button.source-latency:focus-visible{outline:2px solid var(--focus);outline-offset:2px}button.source-latency:disabled{cursor:wait;opacity:.7}

.channel-title .source-latency{font-size:11px;font-weight:inherit;line-height:15px;padding:3px 6px;border:0;border-radius:4px}
.channel-title button.source-latency:hover:not(:disabled){box-shadow:inset 0 0 0 1px currentColor}

/* Keep each bulk action title visually attached to its own controls. */
#batchDialog .batch-section{border:2px solid var(--border);border-radius:12px;padding:16px;margin:16px 0;background:var(--surface)}
#batchDialog .batch-section-title{font-size:16px;font-weight:700;color:var(--text);margin:0 0 12px;gap:10px;line-height:1.5}
#batchDialog .batch-section-title input{width:18px;height:18px;flex:0 0 18px}
.batch-step{display:inline-grid;place-items:center;width:24px;height:24px;flex:0 0 24px;border-radius:50%;background:var(--active);color:var(--accent);font-size:13px}
#batchDialog .batch-section>label:not(.batch-section-title){margin:12px 0 0}
#batchDialog .batch-section .form-grid{margin:0;gap:12px}
#batchDialog .batch-section .form-grid label{margin:0}
#batchDialog .batch-section .inputrow{margin-top:10px}
#batchDialog .batch-section .hint{margin:10px 0 0}
#batchDialog .batch-transfer-section{margin-top:24px}
#batchDialog .batch-section.is-selected{border-color:var(--accent)}
#batchDialog .batch-transfer-section.is-move{border-color:var(--danger)}
.transfer-notice{padding:10px 12px;border-radius:8px;background:var(--active);color:var(--text);font-size:14px;line-height:1.6;margin:0 0 12px}
.is-move .transfer-notice{color:var(--danger);border:1px solid var(--danger);background:var(--soft);font-weight:700}
@media(max-width:600px){#batchDialog .batch-section{padding:12px}#batchDialog .batch-section-title{font-size:15px}}