:root{color-scheme:light;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#162b35;background:#edf2f4;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{max-width:920px;margin:36px auto;padding:0 28px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.brand{font-size:14px;font-weight:750;letter-spacing:.08em;color:#237061}.badge{font-size:12px;border:1px solid #c3d6d1;background:#e9f4ee;border-radius:20px;padding:7px 12px;color:#326454}h1{font-size:30px;line-height:1.3;margin:12px 0}p{line-height:1.7;color:#526773}h2{font-size:18px;margin-top:0}.card{background:white;border:1px solid #dce4e7;border-radius:16px;padding:24px;margin:18px 0;box-shadow:0 5px 22px #203d4710}.eyebrow{font-size:12px;color:#607786;font-weight:650;letter-spacing:.08em}.code{display:block;font:700 clamp(24px,5vw,38px)/1.5 ui-monospace,Consolas,monospace;letter-spacing:.06em;color:#144f46;user-select:all;margin:12px 0}label{display:block;font-size:14px;font-weight:600;margin:16px 0 8px}input[type=text],select{font:inherit;width:100%;border:1px solid #bbccd3;border-radius:8px;background:#fff;padding:12px;color:#16313a}input[type=checkbox]{width:17px;height:17px;accent-color:#186757;flex-shrink:0}.check{display:flex;align-items:flex-start;gap:9px;font-weight:400;line-height:1.55}.hint{font-size:13px;line-height:1.6;color:#657880;margin:8px 0}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}button{font:600 14px/1.3 inherit;font-family:inherit;cursor:pointer;border:0;border-radius:8px;padding:12px 18px;background:#176755;color:#fff}button:hover{filter:brightness(.95)}button:disabled{opacity:.45;cursor:not-allowed}.secondary{background:#e9eff1;color:#345561}.danger{background:#a13e39}#status{font-weight:600;line-height:1.6}#audioStatus{font-size:13px;color:#566c75}video{display:block;width:100%;max-height:65vh;background:#071d25;border-radius:10px}#preview{max-height:220px;margin-top:14px}.address{display:block;font:13px/1.8 ui-monospace,Consolas,monospace;overflow-wrap:anywhere;color:#265c72}#screen{min-height:220px}#diagnostics{white-space:pre-wrap;font:12px/1.7 ui-monospace,Consolas,monospace;color:#5c7079}footer{font-size:12px;color:#6f818b;margin:20px 0}[hidden]{display:none!important}.compact main{margin:18px auto;padding:0 18px}.compact .setup,.compact header,.compact footer,.compact #preview{display:none}.compact .card{margin:0;padding:16px}.compact h1{font-size:21px}.compact #sessionTitle{display:block}#sessionTitle{display:none}.notice{background:#fff7de;color:#735c1e;padding:12px;border-radius:8px;font-size:13px;line-height:1.6}.viewer main{max-width:1100px}.viewer .join{max-width:560px;margin:0 auto}.live-dot{display:inline-block;width:9px;height:9px;background:#208263;border-radius:50%;margin-right:7px}@media(max-width:600px){main{margin:18px auto;padding:0 16px}.card{padding:18px}h1{font-size:25px}header{align-items:flex-start}}
.text-panel textarea{display:block;width:100%;resize:vertical;min-height:150px;border:1px solid #bbccd3;border-radius:8px;padding:12px;font:inherit;line-height:1.65;color:#16313a;background:#fff}.text-panel textarea:focus{outline:2px solid #237061;outline-offset:2px}.text-panel textarea:disabled{background:#f3f6f7;color:#687b84}.text-panel label{margin-top:14px}.text-meta{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:10px 0 16px;font-size:13px;line-height:1.6;color:#526773}#textCount{white-space:nowrap;font-variant-numeric:tabular-nums}#textStatus{overflow-wrap:anywhere}@media(max-width:600px){.text-meta{align-items:flex-start}.text-panel .row button{flex:1;padding:12px}.viewer .badge{white-space:nowrap}}
.text-style-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;margin:14px 0 22px}.text-style-layout fieldset{min-width:0;margin:0;border:1px solid #dce4e7;border-radius:12px;padding:14px 16px}.text-style-layout legend{padding:0 6px;font-size:14px;font-weight:650;color:#345561}.text-style-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 18px}.text-style-grid>div{min-width:0}.text-style-wide{grid-column:1/-1}.text-style-grid label{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:13px;margin:10px 0 8px}.text-style-grid output{font-size:12px;color:#526773;font-weight:400;font-variant-numeric:tabular-nums}.text-style-grid input[type=range]{display:block;width:100%;margin:0;min-height:24px;accent-color:#176755;cursor:pointer}.text-style-grid input[type=color]{display:block;width:100%;height:30px;border:1px solid #bbccd3;border-radius:6px;background:#fff;cursor:pointer}.text-style-grid input:focus-visible{outline:2px solid #237061;outline-offset:3px}.range-ends{display:flex;justify-content:space-between;font-size:11px;color:#657880;margin-top:1px}.text-preview-column{min-width:0}.text-preview-column h3{font-size:14px;color:#345561;margin:0 0 12px}.text-preview-stage{height:310px;position:relative;overflow:hidden;border-radius:12px;background:radial-gradient(ellipse at 20% 15%,#415663,#1b2d39 75%);border:1px solid #405664}.text-preview-bubble{position:absolute;max-width:94%;max-height:96%;overflow:hidden;background:transparent;border:0;border-radius:0;padding:2px;box-shadow:none}.text-preview-bubble>div{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.35;min-width:1px}.text-style-layout .hint{font-size:12px}@media(max-width:760px){.text-style-layout{grid-template-columns:minmax(0,1fr);gap:18px}.text-preview-stage{height:240px}}@media(max-width:380px){.text-style-grid{gap:8px 10px}.text-style-layout fieldset{padding:12px}}
.text-preview-bubble{width:max-content}

/* Viewer workspace: media and controls occupy separate viewport regions. */
.viewer main{max-width:1540px;padding:0 24px;margin:22px auto}
.viewer-header{height:34px;margin-bottom:20px}
.viewer-workspace{min-width:0}
.viewer:not(.session-live) .viewer-workspace{max-width:620px;margin:0 auto}
.viewer:not(.session-live) .text-panel{display:none}
.video-card{min-width:0}
.video-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}
.live-label{white-space:nowrap;font-size:12px;color:#4c7468}
.video-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.video-bottom #audioStatus{margin:10px 0;font-size:12px}
.video-actions{gap:8px}.video-actions button{padding:9px 12px;font-size:12px}
.connection-details{position:relative;font-size:12px;color:#607680}
.connection-details summary,.text-preview-details summary{cursor:pointer;padding:8px 0;user-select:none}
.connection-details[open] #diagnostics{margin:2px 0;max-height:92px;overflow:auto;font-size:11px}
.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}
.panel-heading h2{font-size:20px;margin:5px 0 0}
.autosync-badge{font-size:11px;white-space:nowrap;color:#237061;background:#e8f4ee;border-radius:20px;padding:6px 9px}
.viewer .text-panel textarea{min-height:116px;resize:vertical;max-height:35dvh;font-size:15px}
.viewer .text-panel .text-meta{margin:8px 0 12px;font-size:12px}
.viewer .text-actions{gap:8px}.viewer .text-actions button{padding:10px 13px;font-size:13px}
.viewer .text-style-layout{display:block;margin:16px 0 0}
.viewer .text-style-layout fieldset{padding:10px 14px 14px}
.viewer .text-style-grid{gap:8px 18px}
.viewer .text-style-grid input[type=range]{min-height:30px}
.viewer .text-style-grid input[type=color]{height:34px}
.viewer .text-preview-details{font-size:12px;color:#526773;margin-top:14px}
.viewer .text-preview-stage{height:200px}
.viewer #resetTextStyle{padding:9px 12px;font-size:12px;margin-top:5px}
.viewer #textStyleStatus{margin-top:14px}
.viewer button:focus-visible,.viewer summary:focus-visible{outline:2px solid #237061;outline-offset:3px}
.viewer.session-live{height:100vh;height:100dvh;overflow:hidden}
.viewer.session-live main{height:100%;margin:0 auto;padding:16px 24px 18px;display:flex;flex-direction:column;min-height:0}
.viewer.session-live .viewer-header{height:34px;flex-shrink:0;margin-bottom:14px}
.viewer.session-live .viewer-workspace{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:18px;flex:1;min-height:0;align-items:stretch}
.viewer.session-live .video-card{position:sticky;top:0;display:flex;flex-direction:column;min-height:0;margin:0;padding:18px;overflow:hidden}
.viewer.session-live #mediaPanel{display:flex;flex:1;min-height:0;align-items:center;margin:14px 0 8px;background:#071d25;border-radius:10px;overflow:hidden}
.viewer.session-live #screen{width:100%;height:100%;min-height:0;max-height:100%;object-fit:contain;border-radius:0}
.viewer.session-live .video-heading,.viewer.session-live .video-bottom,.viewer.session-live .connection-details{flex-shrink:0}
.viewer.session-live #status{font-size:13px}
.viewer.session-live .text-panel{margin:0;padding:20px;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.viewer.session-live footer{display:none}
@media(max-width:1050px) and (min-width:761px){
 .viewer.session-live .viewer-workspace{grid-template-columns:minmax(0,1fr) 330px;gap:12px}
 .viewer.session-live main{padding-left:14px;padding-right:14px}
 .viewer.session-live .text-panel{padding:16px}
 .viewer.session-live .video-heading{display:block}.viewer.session-live .live-label{display:none}
}
@media(max-width:760px){
 .viewer main{padding:0 16px;margin:18px auto}
 .viewer-header{gap:8px}.viewer .badge{font-size:11px;padding:6px 9px}
 .viewer.session-live main{padding:8px 10px max(10px,env(safe-area-inset-bottom));}
 .viewer.session-live .viewer-header{height:30px;margin-bottom:8px}
 .viewer.session-live .viewer-workspace{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(132px,36dvh) minmax(0,1fr);gap:10px}
 .viewer.session-live .video-card{position:sticky;top:0;z-index:10;padding:10px 12px;border-radius:12px;box-shadow:0 3px 12px #203d4715}
 .viewer.session-live .video-heading{gap:8px}.viewer.session-live #status{font-size:11px;line-height:1.4}.viewer.session-live .live-label{font-size:10px}
 .viewer.session-live #mediaPanel{margin:7px 0 5px;border-radius:6px}
 .viewer.session-live .video-bottom{flex-wrap:nowrap;gap:8px}
 .viewer.session-live .video-bottom #audioStatus{font-size:10px;line-height:1.4;margin:0}
 .viewer.session-live .video-actions{flex-shrink:0;gap:6px}.viewer.session-live .video-actions button{padding:6px 8px;font-size:10px}
 .viewer.session-live .connection-details{position:absolute;right:13px;top:31px;z-index:1}
 .viewer.session-live .connection-details summary{font-size:10px;background:#fffdf2e8;border-radius:5px;padding:3px 6px}
 .viewer.session-live .connection-details[open]{background:#fff;max-width:calc(100% - 26px);border:1px solid #dce4e7;border-radius:6px;padding:6px}
 .viewer.session-live .connection-details .hint{display:none}
 .viewer.session-live .text-panel{padding:16px;border-radius:12px;scroll-padding:12px}
 .viewer .text-panel textarea{resize:none;max-height:none;font-size:16px}
 .viewer .text-actions button{flex:1}
 .viewer .text-style-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
}
@media(max-height:480px) and (max-width:760px){
 .viewer.session-live .viewer-header{display:none}
 .viewer.session-live .viewer-workspace{grid-template-rows:minmax(104px,33dvh) minmax(0,1fr)}
 .viewer.session-live .video-bottom #audioStatus{display:none}
 .viewer.session-live .video-heading{display:none}
}
.viewer #mediaPanel{position:relative}
.viewer .live-text-preview{position:absolute;overflow:hidden;pointer-events:none;z-index:2}
.viewer #liveTextBubble{position:absolute;width:max-content;max-width:94%;max-height:96%;overflow:hidden;padding:2px}
.viewer #liveTextContent{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.35;font-family:system-ui,"Microsoft YaHei",sans-serif}
.viewer .live-preview-label{position:absolute;left:8px;bottom:8px;z-index:3;pointer-events:none;color:#e9f2f0;background:#17362dc9;padding:4px 7px;border-radius:5px;font-size:10px}
.viewer .preview-switch{font-size:12px;align-items:center;margin:0 0 6px;font-weight:400}
.viewer .preview-switch input{width:15px;height:15px}