:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#20282a;background:#f6f7f9;font-synthesis:none;--accent:#166757;--muted:#798285;--line:#e3e8e8}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer;border:1px solid var(--line);background:white;border-radius:9px;padding:10px 16px;color:inherit;font-weight:600}button:hover{filter:brightness(.96)}button:disabled{opacity:.55;cursor:wait}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}[hidden]{display:none!important}.sidebar{width:242px;background:#fff;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;padding:35px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:#20282a;font-size:19px;font-weight:750;letter-spacing:-.5px}.brand small{display:block;color:#84908d;font-size:11px;font-weight:500;letter-spacing:.5px;margin-top:4px}.brand-icon{display:grid;place-items:center;width:38px;height:38px;background:#e7f1ed;border-radius:12px;color:var(--accent);font-size:19px}.nav-label{font-size:10px;color:#929a9b;letter-spacing:1.4px;margin:49px 12px 17px}.nav{width:100%;display:flex;align-items:center;gap:15px;border:0;text-align:left;background:transparent;font-size:14px;font-weight:500;color:#687376;padding:14px 16px;margin:4px 0}.nav span{font-size:20px;line-height:1;width:23px}.nav.active{color:var(--accent);background:#eaf2ef;font-weight:650}.sidebar-bottom{margin-top:auto;padding:25px 12px 0;display:grid;gap:12px;font-size:12px}.sidebar-bottom a{color:#677370}.sidebar-bottom p{line-height:1.8;font-size:10px;color:#9aa19f;margin:9px 0 0}.workspace{margin-left:242px;min-height:100vh;display:flex;flex-direction:column}header{height:82px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 42px;font-size:12px}.breadcrumb{color:#8b9698}.breadcrumb span{margin:0 14px;color:#c0c7c7}.breadcrumb b{font-weight:500;color:#4a5557}.session{display:flex;gap:16px;align-items:center;color:#63716b}main{padding:39px 42px 60px;max-width:1650px;width:100%;margin:auto;flex:1}.page-heading{display:flex;justify-content:space-between;align-items:center;margin:5px 0 33px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;color:#7d9690}h1{font-size:30px;letter-spacing:-1px;margin:13px 0 10px;font-weight:650}h2{font-size:17px;font-weight:650;margin:0 0 16px}h3{font-size:15px;margin:0 0 10px}p{font-size:13px;line-height:1.85;margin:8px 0 16px}.page-heading p{color:#7a8586;margin-bottom:0}.source-badge{display:flex;align-items:center;gap:8px;font-size:10px;background:#fff;border:1px solid var(--line);padding:9px 12px;border-radius:20px;color:#60736b}.source-badge i{width:6px;height:6px;background:#388777;border-radius:50%}.primary{background:var(--accent);border-color:var(--accent);color:#fff;padding:12px 19px}.quiet{background:transparent;font-size:12px}.danger{color:#b4443c}.wide{width:100%}.muted{color:var(--muted)}.small{font-size:11px}.panel{border:1px solid var(--line);background:#fff;border-radius:14px;padding:26px;margin-bottom:20px}.soft{background:#f0f5f2}.notice{padding:14px 18px;margin:0 0 24px;border:1px solid #b8d7ca;border-radius:10px;background:#edf6f0;white-space:pre-wrap;font-size:13px}.notice.error{background:#fff1ee;border-color:#f0c5bc;color:#963e31}.configuration{background:#fff8e8;border:1px solid #ecdfbb;color:#817049;padding:13px 17px;border-radius:10px;font-size:12px;margin-bottom:22px}.searchbar{display:flex;border:1px solid var(--line);border-radius:12px;padding:8px;background:white;gap:10px;box-shadow:0 3px 12px #243b2b03}.searchbar input{border:0;flex:1;padding:13px;min-width:0;background:transparent;margin:0}.searchbar select{border:0;border-left:1px solid var(--line);border-radius:0;background:transparent;width:120px;margin:0}.section-title{display:flex;justify-content:space-between;align-items:center;margin:30px 0 18px}.section-title h2{margin:0}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.video-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.thumb{display:block;position:relative;width:100%;padding:0;border:0;border-radius:0;aspect-ratio:16/9;background:#e6ece9;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover}.thumb:after{content:"▶";position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);background:#0009;color:white;border-radius:50%;width:42px;height:42px;display:grid;place-items:center}.card-body{padding:17px}.card-body h3{line-height:1.6;font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:41px}.card-body p{font-size:11px;color:#87908e;margin:4px 0}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:280px;padding:38px;color:#7b8781}.empty h3{color:#53635d;margin-top:19px}.empty p{margin:5px 0;font-size:12px}.empty-icon{width:64px;height:64px;background:#eaf0ed;border:1px solid #e0e8e3;border-radius:18px;color:#739586;display:grid;place-items:center;font-size:33px}.wide-grid{grid-column:1/-1;border:1px dashed #dbe3df;border-radius:14px;min-height:360px;background:#ffffff70}.load-more{display:block;margin:25px auto}.channel-picker{display:flex;align-items:center;gap:20px;margin-bottom:25px;padding:12px 18px;border:1px solid var(--line);background:white;border-radius:10px}.channel-picker label{display:flex;gap:15px;align-items:center;margin:0;white-space:nowrap;font-size:12px}.channel-picker select{margin:0;min-width:220px}.channel-picker span{color:#91a099;font-size:11px}.two-col{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px}label{display:block;font-size:12px;font-weight:550;margin:18px 0}input,select,textarea{display:block;width:100%;border:1px solid #dce3e0;border-radius:8px;background:#fcfdfc;color:#34463d;padding:11px 12px;margin-top:9px;font-size:13px}textarea{resize:vertical}input:focus,textarea:focus,select:focus{outline:2px solid #8ebdab;border-color:#8ebdab}input[readonly]{background:#f0f3f1;color:#8b9690}.check{display:flex;align-items:flex-start;gap:9px;line-height:1.8;font-weight:400}.check input{width:auto;margin:5px 0 0}.form-row{display:flex;gap:18px}.form-row label{flex:1}.file-zone{border:1px dashed #bfd2c7;border-radius:10px;background:#f6faf7;padding:23px;text-align:center}.file-zone input{background:transparent;border:0;font-size:12px}.file-zone span{display:block}fieldset{border:1px solid var(--line);border-radius:9px;margin:20px 0;padding:10px 17px}legend{font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.connect-panel{display:flex;align-items:center;justify-content:space-between;gap:20px}.connect-panel p{margin-bottom:0}.account-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.account-grid .panel{margin:0 0 20px}hr{border:0;border-top:1px solid var(--line);margin:23px 0}.list-card{background:white;border:1px solid var(--line);border-radius:10px;padding:19px;margin-bottom:12px}.list-card h3{overflow-wrap:anywhere}.list-card .actions{margin-top:13px}.list-card p{overflow-wrap:anywhere}.status{font-size:10px;border-radius:5px;padding:4px 8px;background:#e9f1ec;color:#5c7869;display:inline-block}.playlist-item{border-top:1px solid var(--line);padding:17px 0;display:grid;gap:10px}.playlist-item input{width:85px;margin:0}.playlist-item .actions{align-items:center}.playlist-item h3{line-height:1.7;font-size:13px}ol{padding-left:19px;font-size:13px;line-height:2.5;color:#5e7467}progress{width:100%;height:10px;margin-top:14px;accent-color:var(--accent)}footer{border-top:1px solid var(--line);padding:22px 42px;color:#8d9792;font-size:10px;display:flex;justify-content:space-between;gap:15px}footer a{color:#7d9085}.login-card{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;max-width:1050px;margin:65px auto}.login-card h1{font-size:41px;line-height:1.55}.login-card>div>p{color:#89958e;line-height:2.1}.login-card .panel{padding:33px;box-shadow:0 15px 50px #223a3010}.login-note{margin-top:35px;color:#839187;font-size:11px;line-height:2}.login-card .primary{margin-top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}dialog{width:min(940px,90vw);border:0;border-radius:15px;padding:24px;box-shadow:0 20px 100px #0004}dialog::backdrop{background:#10231cd0}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.dialog-header h2{font-size:15px;margin:0}iframe{display:block;width:100%;aspect-ratio:16/9;border:0;min-height:200px}#legal{max-width:900px;margin:20px auto}#legal h2{margin-top:30px}#legal li{font-size:13px;line-height:2.1}#legal h1{margin-bottom:25px}#legal code{overflow-wrap:anywhere}.metric{font-size:27px;color:#37644b;margin:12px 0 25px}
@media(min-width:1600px){.video-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1100px){.sidebar{width:205px;padding:30px 15px}.workspace{margin-left:205px}main{padding:30px 25px}.two-col{grid-template-columns:1fr}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.login-card{gap:28px}.login-card h1{font-size:29px}.source-badge{display:none}}
@media(max-width:720px){.sidebar{position:static;width:100%;padding:20px}.sidebar nav{display:grid;grid-template-columns:repeat(3,1fr);margin-top:18px;gap:3px}.nav{font-size:12px;padding:10px 7px;gap:7px}.nav-label,.sidebar-bottom{display:none}.workspace{margin-left:0}header{padding:0 20px;height:60px}.brand{font-size:17px}main{padding:22px 18px}.page-heading{margin-top:0}h1{font-size:26px}.searchbar{flex-wrap:wrap}.searchbar input{flex-basis:100%}.searchbar select{flex:1;border:0}.video-grid,.account-grid,.login-card{grid-template-columns:1fr}.login-card{margin:10px 0;gap:20px}.login-card>div{display:none}.connect-panel{align-items:flex-start;flex-direction:column}.channel-picker{align-items:flex-start;flex-direction:column;gap:8px}.channel-picker label{width:100%}.channel-picker select{min-width:0}.section-title{gap:12px}.section-title .small{font-size:10px}.form-row{flex-direction:column;gap:0}footer{padding:20px;flex-direction:column}.panel{padding:20px}.wide-grid{min-height:270px}.login-card .panel{padding:25px}dialog{width:96vw;padding:14px}}

@media(max-width:720px){.nav{font-size:11px;padding:10px 4px;gap:4px;white-space:nowrap}.nav span{width:16px;font-size:16px;flex-shrink:0}.breadcrumb{font-size:10px;white-space:nowrap}.breadcrumb span{margin:0 6px}.session{gap:8px;font-size:11px;white-space:nowrap}.session button{padding:7px 9px;font-size:11px;white-space:nowrap}}
.brand-copy{min-width:0}.brand-copy>[data-site-name]{display:block;overflow-wrap:anywhere;font-size:17px;line-height:1.35}.brand-icon{flex:0 0 38px;overflow:hidden}.brand-icon img{width:100%;height:100%;object-fit:contain}.branding-fields{display:flex;gap:30px;align-items:center}.branding-inputs{flex:1;min-width:0}.brand-preview-box{text-align:center;min-width:130px}.brand-preview{margin:14px auto;width:100px;height:100px;display:grid;place-items:center;border:1px dashed #bdd0c6;border-radius:12px;background:#f1f6f3;font-size:32px;color:var(--accent);overflow:hidden}.brand-preview img{width:100%;height:100%;object-fit:contain}.youtube-footer{display:flex;align-items:center;flex-shrink:0;background:#fff;padding:5px 9px;border-radius:4px}.youtube-footer img{display:block;width:115px;height:auto}footer{align-items:center;flex-wrap:wrap}footer>span{overflow-wrap:anywhere;min-width:0}@media(max-width:720px){.branding-fields{flex-direction:column;align-items:stretch}.brand-preview-box{align-self:flex-start}.brand-preview{width:76px;height:76px}footer{align-items:flex-start}.brand-copy>[data-site-name]{max-width:220px}}
.youtube-footer img{width:160px}