:root{color-scheme:dark;--bg:#0b1017;--surface:#101721;--raised:#151e2b;--line:#233042;--text:#e6edf6;--muted:#8c9baf;--accent:#6ceaba;--accent-dark:#112e28;--orange:#ffc579;--red:#ff707a;font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button{cursor:pointer}button,input,select,a{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent)}button{color:inherit}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px;gap:20px}.brand{display:flex;align-items:center;gap:13px;font-size:21px;font-weight:750;white-space:nowrap}.brand-mark{width:34px;height:34px;background:var(--accent);color:var(--bg);display:grid;place-items:center;border-radius:9px;font-size:29px;line-height:1}.brand-soft{font-weight:400;margin-left:3px}.brand-en{font-size:11px;color:var(--muted);letter-spacing:2px;margin-left:8px}.header-right{display:flex;gap:20px;align-items:center}.mode-badge{font-size:13px;color:var(--orange);background:#382b1b;padding:6px 10px;border-radius:5px}.mode-badge.real{color:var(--accent);background:var(--accent-dark)}.button{padding:10px 16px;border-radius:7px;border:1px solid var(--line);background:var(--raised);font-size:14px;font-weight:550}.button:hover{filter:brightness(1.16)}.button.accent{background:var(--accent);border-color:var(--accent);color:var(--bg)}.button.quiet{background:transparent}.workspace{display:grid;grid-template-columns:260px minmax(360px,1fr) 284px;max-width:1800px;margin:auto;min-height:calc(100vh - 125px)}.channel-panel{border-right:1px solid var(--line);display:flex;flex-direction:column;padding:25px 18px 0;min-width:0}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:8px}.panel-heading h1,.panel-heading h2{font-size:17px;font-weight:650;margin:0}.count{font-size:12px;background:var(--raised);color:var(--muted);padding:3px 8px;border-radius:4px;font-variant-numeric:tabular-nums}.search{display:flex;gap:8px;align-items:center;background:var(--raised);border:1px solid var(--line);border-radius:7px;padding:8px 11px}.search>span{font-size:23px;color:var(--muted);line-height:1}.search input{width:100%;border:0;background:transparent;color:var(--text);font-size:14px;outline:none}.search input::placeholder{color:var(--muted)}.category-tabs{display:flex;margin:17px 0 12px;gap:4px}.category{background:none;border:0;border-radius:5px;padding:7px 12px;color:var(--muted);font-size:14px;flex:1}.category:hover{color:var(--text);background:var(--raised)}.category.selected{background:var(--accent-dark);color:var(--accent)}.channel-list{height:calc(100vh - 303px);min-height:280px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding-bottom:16px}.channel-item{border:1px solid transparent;width:100%;background:none;display:flex;align-items:center;gap:12px;padding:11px 9px;border-radius:7px;text-align:left;margin-bottom:3px;min-height:61px}.channel-item:hover{background:var(--raised)}.channel-item.active{background:#142823;border-color:#2a5748}.channel-monogram{width:42px;min-width:42px;height:35px;background:#202c3d;border-radius:5px;display:grid;place-items:center;color:#bac7d8;font-size:12px;font-weight:700;letter-spacing:-.4px}.channel-item.active .channel-monogram{background:#244737;color:var(--accent)}.channel-item .channel-name{font-size:14px;line-height:1.45;display:block;overflow-wrap:anywhere}.channel-item .channel-meta{display:block;color:var(--muted);font-size:11px;margin-top:3px}.channel-name-block{flex:1;min-width:0}.channel-quality{font:10px monospace;color:var(--muted);padding:3px 4px;border:1px solid var(--line);border-radius:3px}.channel-item.active .channel-quality{color:var(--accent);border-color:#315144}.channel-footer{margin-top:auto;min-height:47px;border-top:1px solid var(--line);display:flex;gap:6px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:11px}.channel-footer>span:last-child{margin-left:auto}.tiny-signal{color:var(--accent);letter-spacing:1px}.watch-panel{padding:25px 28px 26px;min-width:0}.watch-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:21px;gap:15px}.eyebrow{font-size:11px;color:var(--muted);letter-spacing:1px;margin-bottom:6px}.watch-heading h2{font-size:23px;font-weight:650;letter-spacing:-.5px;margin:0}.status-badge{font-size:12px;padding:6px 9px;border:1px solid var(--line);border-radius:5px;color:var(--muted);white-space:nowrap}.status-badge.playing{color:var(--accent);background:var(--accent-dark);border-color:#24473b}.status-badge.loading{color:var(--orange);border-color:#54432e}.status-badge.error{color:var(--red);border-color:#593139}.player{background:#05080d;position:relative;aspect-ratio:16/9;border-radius:9px 9px 0 0;overflow:hidden;border:1px solid #202c3c;min-width:0}.player video{width:100%;height:100%;display:block;object-fit:contain}.idle-screen{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 60%,#172b34 0%,#080d14 65%);padding:20px}.idle-channel{font-size:clamp(32px,5vw,66px);font-weight:850;letter-spacing:-3px;line-height:1.15;color:#d9e9ec}.idle-channel span{font-weight:350;color:var(--accent);margin-left:4px}.idle-rule{width:34px;height:2px;background:var(--accent);margin-top:16px}.idle-screen p{font-size:13px;color:var(--muted);margin:15px 0 22px;text-align:center}.play-main{border:1px solid #487062;border-radius:50%;width:53px;height:53px;background:#20372d;color:var(--accent);display:grid;place-items:center}.play-main span{margin-left:4px;font-size:19px}.play-main:hover{background:#315141}.video-corner{position:absolute;top:16px;left:16px;background:#060c15b8;font-size:11px;padding:6px 9px;border-radius:4px;display:flex;align-items:center;gap:7px}.red-dot{width:6px;height:6px;border-radius:50%;background:var(--orange)}.loading-overlay,.error-overlay{position:absolute;inset:0;background:#050b14df;display:flex;align-items:center;justify-content:center;padding:22px}.loading-content{width:280px;text-align:center;max-width:100%}.loader-ring{height:28px;width:28px;border:2px solid #284037;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:auto auto 17px}.loading-content h3,.error-overlay h3{font-size:19px;margin:0 0 9px}.loading-content p,.error-overlay p{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 21px}.load-track{height:4px;background:#23302e;border-radius:3px;overflow:hidden}.load-track>div{height:100%;background:var(--accent);transition:width .4s;width:0}.load-track.indeterminate>div{width:32%!important;animation:slide 1.2s ease-in-out infinite}.load-meta{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);margin-top:10px}.error-overlay>div{text-align:center;max-width:350px}.error-symbol{height:34px;width:34px;display:grid;place-items:center;color:var(--red);border:1px solid var(--red);border-radius:50%;margin:0 auto 15px}.player-controls{height:56px;display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-top:0;border-radius:0 0 9px 9px;padding:0 13px;gap:10px}.controls-left,.controls-right{display:flex;align-items:center;gap:9px}.icon-button{min-width:30px;min-height:32px;padding:5px;border:0;background:none;font-size:16px;border-radius:4px;color:#bac7d8}.icon-button:hover{background:#243244;color:var(--text)}#muteButton{font-size:12px}#volume{width:62px;accent-color:var(--accent)}.control-separator{height:16px;width:1px;background:var(--line);margin:0 4px}.session-time{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;margin-left:6px}.quality-pill{font-size:11px;font-weight:650;color:var(--muted);padding:4px 6px;background:var(--raised);border-radius:4px}#fullscreenButton{font-size:24px}.preview-note{display:flex;gap:9px;align-items:center;color:#a6b5c8;font-size:12px;margin:16px 0 27px;line-height:1.6}.note-icon{width:16px;height:16px;border:1px solid #5a6b80;border-radius:50%;display:grid;place-items:center;font-size:11px;flex-shrink:0}.section-label{display:flex;justify-content:space-between;align-items:center;gap:12px}.section-label h3{font-size:14px;font-weight:600;margin:0}.section-label>span{font-size:11px;color:var(--muted)}.connection-steps{padding:0;margin:19px 0 26px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;list-style:none}.connection-steps li{display:flex;gap:9px;align-items:center;opacity:.55;min-width:0}.step-number{height:26px;width:26px;min-width:26px;display:grid;place-items:center;border:1px solid #384356;border-radius:50%;font-size:11px;color:var(--muted)}.connection-steps strong{font-size:12px;font-weight:500;display:block;white-space:nowrap}.connection-steps small{font-size:10px;color:var(--muted);display:block;margin-top:4px}.connection-steps li.active{opacity:1}.connection-steps li.active .step-number{border-color:var(--accent);color:var(--accent);background:var(--accent-dark)}.connection-steps li.done{opacity:1}.connection-steps li.done .step-number{background:var(--accent-dark);border-color:transparent;color:var(--accent)}.events-panel{border-top:1px solid var(--line);padding-top:21px}.event-log{font-size:12px;margin-top:13px;max-height:152px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.event-entry{padding:6px 0;display:flex;gap:14px;line-height:1.6}.event-entry time{color:#64768c;font:11px/1.8 monospace;flex-shrink:0}.event-entry span{color:#afbed0}.event-entry.error span{color:var(--red)}.empty-log{color:var(--muted);padding:13px 0}.inspector{border-left:1px solid var(--line);padding:25px 22px;min-width:0;background:#0e151e}.subtle-badge{font-size:10px;color:var(--muted);padding:4px 6px;background:var(--raised);border-radius:4px}.hero-metric{margin:28px 0 24px}.hero-metric>span{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.hero-metric small{font-size:10px}.hero-metric>div:nth-child(2){margin-top:8px;display:flex;align-items:baseline;gap:9px}.hero-metric strong{font-size:39px;letter-spacing:-1.5px;font-weight:500;font-variant-numeric:tabular-nums}.hero-metric>div:nth-child(2)>span{font-size:13px;color:var(--muted)}.sparkline{height:43px;margin-top:13px;border-bottom:1px solid #294035}.sparkline svg{width:100%;height:100%;overflow:visible}.sparkline path{stroke:var(--accent);stroke-width:1.7;fill:none;vector-effect:non-scaling-stroke}.sparkline #chartArea{stroke:none;fill:#6ceaba12}.metric-group{border-top:1px solid var(--line);padding:17px 0 7px}.metric-group h3,.source-section h3{font-size:11px;letter-spacing:.6px;color:var(--muted);font-weight:500;margin:0 0 11px}.metric-group dl{margin:0}.metric-group dl>div{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin:0 0 12px}.metric-group dt{font-size:12px;color:#95a6bb;flex-shrink:0}.metric-group dd{font-family:"Cascadia Code",Consolas,monospace;font-size:12px;margin:0;text-align:right;overflow-wrap:anywhere}.source-section{border-top:1px solid var(--line);padding-top:17px}.source-section code{font-size:11px;color:#c0ccda;overflow-wrap:anywhere;line-height:1.7;display:block}.source-section p{color:#697c94;font-size:10px;line-height:1.6}.source-section #playbackUrlRow{margin-top:16px}.metric-footnote{font-size:10px;line-height:1.8;color:#71849c;margin-top:20px}.page-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:14px 28px;color:#62768f;font-size:10px;gap:15px}.page-footer>span:last-child{letter-spacing:1.5px}dialog{color:var(--text);background:var(--surface);border:1px solid #354358;border-radius:13px;width:500px;max-width:calc(100vw - 32px);padding:26px}dialog::backdrop{background:#0009;backdrop-filter:blur(4px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center}.dialog-heading h2{font-size:22px;margin:0}.dialog-intro{color:var(--muted);font-size:14px;line-height:1.8;margin:18px 0}.field-label{display:block;font-size:13px;margin:19px 0 9px}dialog select,dialog input{width:100%;border:1px solid #354357;background:#0b111a;color:var(--text);border-radius:6px;padding:11px;font-size:14px}.field-help{font-size:12px;line-height:1.7;color:var(--muted);margin-top:8px}.settings-error{color:var(--red);font-size:13px;min-height:18px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:23px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#233b30;border:1px solid #39604b;color:var(--text);padding:12px 20px;border-radius:7px;font-size:13px;z-index:10;max-width:90%;text-align:center}.no-channels{font-size:13px;color:var(--muted);text-align:center;padding:40px 10px}.player:fullscreen{border:0;border-radius:0;display:flex;align-items:center;justify-content:center;aspect-ratio:auto}.player:fullscreen video{width:100%;height:100%;object-fit:contain}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slide{0%{transform:translateX(-110%)}100%{transform:translateX(410%)}}
@media(min-width:1500px){.workspace{grid-template-columns:280px minmax(360px,1fr) 310px}.watch-panel{padding:30px 36px}.channel-panel,.inspector{padding-top:30px}.channel-list{height:calc(100vh - 308px)}}
@media(max-width:1160px){.workspace{grid-template-columns:225px minmax(320px,1fr) 240px}.watch-panel{padding:23px 20px}.inspector{padding:23px 17px}.brand-en{display:none}.connection-steps{gap:7px}.connection-steps li{flex-direction:column;align-items:flex-start;gap:8px}.channel-panel{padding:23px 12px 0}.category{padding:7px 8px}}
@media(max-width:940px){.workspace{grid-template-columns:230px minmax(0,1fr)}.inspector{grid-column:2;border-top:1px solid var(--line);border-left:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;padding:23px}.inspector .panel-heading{grid-column:1/-1}.hero-metric{margin:0}.channel-panel{grid-row:1/3}.channel-list{position:sticky;top:10px;height:calc(100vh - 320px)}.inspector .source-section{grid-column:1/-1}.metric-footnote{grid-column:1/-1}}
@media(max-width:640px){.topbar{height:70px;padding:0 16px;gap:9px}.brand{font-size:18px;gap:9px}.brand-mark{width:29px;height:29px;font-size:24px}.header-right{gap:8px}.header-right .button{font-size:12px;padding:8px 10px}.mode-badge{font-size:10px;padding:5px 6px}.workspace{display:flex;flex-direction:column}.channel-panel{order:2;border-top:1px solid var(--line);border-right:0;padding:22px 16px 0}.channel-list{height:300px;position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:3px 8px;min-height:0}.channel-item{gap:8px;padding:8px 5px}.channel-monogram{width:32px;min-width:32px;font-size:10px}.channel-quality{display:none}.channel-item .channel-name{font-size:12px}.channel-item .channel-meta{font-size:10px}.watch-panel{order:1;padding:22px 16px}.watch-heading{margin-bottom:16px}.watch-heading h2{font-size:21px}.player-controls{padding:0 8px}.controls-left{gap:3px}#volume{width:42px}.session-time{margin-left:3px}.preview-note{font-size:11px;margin-bottom:22px}.connection-steps{gap:6px}.connection-steps strong{font-size:11px;white-space:normal}.connection-steps small{font-size:9px}.inspector{order:3;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);gap:0 20px;padding:23px 16px}.page-footer{padding:13px 16px;font-size:9px;flex-wrap:wrap}.loading-content h3{font-size:16px}.loading-content p{margin-bottom:12px;font-size:12px}.loader-ring{margin-bottom:10px;width:22px;height:22px}.load-meta{font-size:10px}.idle-screen p{margin:11px 0 15px;font-size:11px}.play-main{width:42px;height:42px}.idle-rule{margin-top:10px}.event-log{max-height:100px}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
.metric-group dt,.metric-group dd{font-size:14px}.metric-group dl>div{margin-bottom:14px}.connection-steps strong{font-size:14px;white-space:normal}.source-section code{font-size:12px}.status-badge{font-size:13px}.subtle-badge{font-size:12px}.hero-metric>span{font-size:14px}

.entry-gate{position:fixed;inset:0;z-index:100;background:radial-gradient(ellipse at top,#16312b,#0b1017 65%);display:grid;place-items:center;padding:20px}.gate-card{max-width:430px;width:100%;padding:40px 24px;text-align:center;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.gate-card>.brand-mark{margin:auto}.gate-card h1{font-size:25px;margin:24px 0 14px}.gate-card p,.challenge-card p{color:var(--muted);font-size:13px;line-height:1.7}.gate-card #entryWidget,.challenge-card #playWidget{display:flex;justify-content:center;min-height:65px}.challenge-overlay{position:absolute;inset:0;z-index:10;background:#080e17f5;display:grid;place-items:center;padding:12px;overflow:auto}.challenge-card{text-align:center;max-width:340px}.challenge-card h3{font-size:18px;margin:0 0 10px}.challenge-card p{margin:8px 0}.channel-list:empty::after{content:"验证后加载频道";font-size:13px;color:var(--muted)}.loading-content{pointer-events:none}@media(max-width:640px){.challenge-card h3{font-size:15px}.challenge-card p{font-size:11px;margin:4px 0}.challenge-card .button{padding:5px 12px;font-size:12px}.gate-card{padding:32px 14px}}
.channel-quality,.quality-pill{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;white-space:nowrap;font:700 10px/1.1 "Segoe UI",system-ui,sans-serif;letter-spacing:.04em;padding:4px 7px;border:1px solid;border-radius:6px;min-height:21px;box-shadow:inset 0 1px 0 #ffffff0a}.channel-quality:empty{display:none}.channel-quality.badge-hd,.quality-pill.badge-hd,.channel-item.active .channel-quality.badge-hd{color:#86f2d0;background:linear-gradient(135deg,#183c33,#102b28);border-color:#386153}.channel-quality.badge-4k,.quality-pill.badge-4k,.channel-item.active .channel-quality.badge-4k{color:#ffdc99;background:linear-gradient(135deg,#48371d,#302719);border-color:#76603a}.channel-quality.badge-4k{letter-spacing:.07em}.channel-name-block{flex:1;min-width:0}@media(max-width:640px){.channel-quality{font-size:9px;padding:3px 5px;min-height:18px;border-radius:5px}.channel-item{gap:6px}.channel-monogram{min-width:30px;width:30px}}
/* Header clock and icon-only theme switch */
.topbar{display:grid;grid-template-columns:1fr auto 1fr;gap:24px}.header-right{justify-self:end;gap:14px}.beijing-clock{display:flex;align-items:center;gap:10px;white-space:nowrap}.beijing-clock>span{font-size:12px;color:var(--muted)}.beijing-clock time{font:600 18px/1.2 "Segoe UI",system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--text)}.theme-toggle{position:relative;width:68px;height:34px;display:flex;align-items:center;justify-content:space-around;flex-shrink:0;border-radius:18px;border:1px solid var(--line);background:var(--raised);padding:0;color:var(--muted)}.theme-toggle svg{position:relative;width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;z-index:1}.theme-thumb{position:absolute;left:3px;top:3px;width:26px;height:26px;border-radius:50%;background:#fff3e0;box-shadow:0 1px 4px #0002;transition:transform .2s,background .2s}.theme-toggle .sun-icon{color:#9b670a}.theme-toggle .moon-icon{color:var(--muted)}:root[data-theme=dark] .theme-thumb{transform:translateX(34px);background:#31463e}:root[data-theme=dark] .theme-toggle .sun-icon{color:var(--muted)}:root[data-theme=dark] .theme-toggle .moon-icon{color:#b4f2dc}
/* Light palette */
:root[data-theme=light]{color-scheme:light;--bg:#f4f7fa;--surface:#fff;--raised:#edf2f6;--line:#dce4eb;--text:#1a2a38;--muted:#64778a;--accent:#16795c;--accent-dark:#e0f2e9;--orange:#9f6717;--red:#bc3144}
:root[data-theme=light] .brand-mark{background:#47c89a;color:#fff}:root[data-theme=light] .channel-item.active{background:#e5f4ed;border-color:#acd4c1}:root[data-theme=light] .channel-monogram{background:#e4ebf2;color:#526c82}:root[data-theme=light] .channel-item.active .channel-monogram{background:#cdebdc;color:#116747}:root[data-theme=light] .status-badge.playing{border-color:#a8d3bc}:root[data-theme=light] .status-badge.loading{background:#fff6e6;border-color:#e9d5ad}:root[data-theme=light] .status-badge.error{background:#fff0f2;border-color:#ecc1c9}
:root[data-theme=light] .idle-screen{background:radial-gradient(ellipse at 50% 60%,#e3f1eb 0%,#f2f6f9 70%)}:root[data-theme=light] .idle-channel{color:#29463e}:root[data-theme=light] .player{border-color:#cbd6df}:root[data-theme=light] .play-main{background:#d3ecdf;border-color:#8cbdab;color:#166746}:root[data-theme=light] .play-main:hover{background:#bfe3cf}:root[data-theme=light] .video-corner{color:#fff}:root[data-theme=light] .loading-overlay,:root[data-theme=light] .error-overlay{background:#f4f8fbf0}:root[data-theme=light] .loader-ring{border-color:#cbddd5;border-top-color:var(--accent)}:root[data-theme=light] .load-track{background:#d3e4dc}:root[data-theme=light] .icon-button{color:#536b7e}:root[data-theme=light] .icon-button:hover{background:#e2eaf1;color:#213d52}:root[data-theme=light] .preview-note{color:#607487}:root[data-theme=light] .note-icon{border-color:#9badbf}:root[data-theme=light] .step-number{border-color:#c3cfdc}:root[data-theme=light] .event-entry time{color:#75889a}:root[data-theme=light] .event-entry span{color:#4c6479}:root[data-theme=light] .event-entry.error span{color:var(--red)}:root[data-theme=light] .inspector{background:#eef3f7}:root[data-theme=light] .sparkline{border-color:#c5ddce}:root[data-theme=light] .sparkline #chartArea{fill:#16795c15}:root[data-theme=light] .metric-group dt{color:#63788b}:root[data-theme=light] .source-section p,:root[data-theme=light] .metric-footnote,:root[data-theme=light] .page-footer{color:#607487}
:root[data-theme=light] .entry-gate{background:radial-gradient(ellipse at top,#d9eee5,#f4f7fa 70%)}:root[data-theme=light] .gate-card{box-shadow:0 14px 50px #1838280b}:root[data-theme=light] .challenge-overlay{background:#f4f8fbf5}:root[data-theme=light] .channel-quality.badge-hd,:root[data-theme=light] .quality-pill.badge-hd,:root[data-theme=light] .channel-item.active .channel-quality.badge-hd{color:#156346;background:linear-gradient(135deg,#e6f5ee,#d8ede4);border-color:#add3bf}:root[data-theme=light] .channel-quality.badge-4k,:root[data-theme=light] .quality-pill.badge-4k,:root[data-theme=light] .channel-item.active .channel-quality.badge-4k{color:#845514;background:linear-gradient(135deg,#fff3d7,#ffebbd);border-color:#ddc08a}
@media(max-width:940px){.topbar{padding-left:20px;padding-right:20px;gap:15px}.brand{font-size:19px}.beijing-clock{gap:7px}.beijing-clock time{font-size:16px}}
@media(max-width:640px){.topbar{height:auto;min-height:103px;padding:13px 16px 12px;grid-template-columns:1fr auto;gap:11px 12px}.brand{font-size:18px;grid-column:1;grid-row:1}.header-right{grid-column:2;grid-row:1;gap:8px}.beijing-clock{grid-column:1/-1;grid-row:2;justify-self:center;gap:9px}.beijing-clock time{font-size:16px}.beijing-clock>span{font-size:11px}.theme-toggle{width:62px;height:32px}.theme-thumb{width:24px;height:24px}:root[data-theme=dark] .theme-thumb{transform:translateX(30px)}}
@media(max-width:350px){.header-right .mode-badge{display:none}.brand{font-size:16px}}
.connection-panel{margin-top:25px}
/* Mobile channel drawer */
.menu-toggle,.drawer-close{display:none}.drawer-backdrop{position:fixed;inset:0;z-index:70;background:#03091385;backdrop-filter:blur(2px)}
@media(max-width:640px){.topbar{min-height:111px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center;grid-column:1;grid-row:2;justify-self:start;position:relative;z-index:2;width:40px;height:34px;border:1px solid var(--line);border-radius:7px;background:var(--raised);color:var(--text);padding:7px}.menu-toggle svg,.drawer-close svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:7px;background:var(--raised);color:var(--muted);padding:7px}.channel-panel{position:fixed;inset:0 auto 0 0;z-index:80;width:min(330px,86vw);height:100vh;height:100dvh;background:var(--surface);padding:20px 16px 0;border-top:0;border-right:1px solid var(--line);box-shadow:12px 0 35px #0003;transform:translateX(-110%);visibility:hidden;transition:transform .22s ease,visibility .22s;display:flex;flex-direction:column}.channel-panel .panel-heading{margin-bottom:15px;gap:10px}.channel-panel .panel-heading h1{margin-right:auto}.channel-list{position:static;display:block;flex:1;height:auto;min-height:0;overflow-y:auto;overscroll-behavior:contain}.channel-item{min-height:65px;padding:10px 8px;gap:12px}.channel-monogram{width:40px;min-width:40px;font-size:12px}.channel-item .channel-name{font-size:14px}.channel-item .channel-meta{font-size:11px}.channel-quality{font-size:10px;padding:4px 7px;min-height:21px}.channel-footer{flex-shrink:0;padding-bottom:env(safe-area-inset-bottom)}body.drawer-open{overflow:hidden}body.drawer-open .channel-panel{transform:translateX(0);visibility:visible}.inspector{order:2}}