:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--color-text);background:var(--color-page);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--color-border-subtle);border-radius:8px;background:var(--color-surface-raised);color:var(--color-text);padding:10px 15px;font-size:13px}button:hover{background:var(--color-control-hover)}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}a{color:inherit;text-decoration:none}.primary{background:var(--color-accent-strong);color:var(--color-on-accent);border-color:transparent;font-weight:600}.primary:hover{background:var(--color-accent-hover)}.danger{color:var(--color-danger)}.avatar{width:36px;height:36px;border-radius:12px;background:var(--color-control);display:grid;place-items:center;flex-shrink:0;overflow:hidden;color:var(--color-text);font-size:14px}.avatar img{width:100%;height:100%;object-fit:cover}.home-header{padding:28px 36px;display:flex;justify-content:space-between;align-items:center}.wordmark{font-size:21px;font-weight:600;letter-spacing:2px}.wordmark span{display:block;font-size:8px;letter-spacing:4px;color:var(--muted);margin-top:5px}.home-header>div{display:flex;align-items:center;gap:28px}.download{color:var(--muted);font-size:12px}.profile-button{display:flex;align-items:center;gap:12px;background:transparent;border:0;padding:4px}.profile-button>span{font-size:12px;color:var(--color-secondary)}.home{min-height:calc(100svh - 185px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px}.home-actions{display:flex;gap:14px}.home-actions button{padding:16px 29px;font-size:14px}.home>p{color:var(--color-muted);font-size:12px;letter-spacing:1px}.home-footer{text-align:center;padding:20px;font-size:11px;color:var(--color-muted)}.workspace{display:grid;grid-template-columns:248px minmax(0,1fr) 216px;height:100svh;min-height:600px}.sidebar{background:var(--color-surface);display:flex;flex-direction:column;padding:0 14px;min-width:0;border-right:1px solid var(--line)}.room-brand{height:76px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);margin-bottom:18px}.room-brand strong{font-size:15px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.invite{display:flex;justify-content:space-between;font-size:11px;background:var(--color-surface-raised);padding:12px}.invite span{font:10px monospace;color:var(--color-accent);letter-spacing:1px}.side-label{text-transform:uppercase;color:var(--color-muted);font-size:10px;letter-spacing:1px;margin:28px 10px 10px}.side-description{padding:14px;font-size:11px;line-height:1.9;color:var(--color-muted)}.voice-card{margin-top:auto;margin-bottom:22px;padding:16px 12px;background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:10px}.voice-card>div:first-child{display:flex;gap:9px;align-items:center;margin-bottom:14px;font-size:11px}.voice-card strong{font-weight:400}.voice-card>button{width:100%;font-size:11px;padding:11px}.voice-actions{display:flex;gap:5px;margin-top:10px}.voice-actions button{font-size:10px;padding:7px 4px;flex:1}.voice-actions button[aria-pressed=true]{color:var(--color-danger)}.online{color:var(--color-success)!important}.self-profile{display:flex;align-items:center;padding:16px 0;border-top:1px solid var(--line);gap:6px}.self-profile>button:first-child{border:0;background:none;display:flex;gap:10px;padding:0;min-width:0;flex:1;text-align:left}.self-profile strong{display:block;font-weight:500;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.self-profile small{display:block;font-size:9px;color:var(--color-muted);margin-top:5px}.self-profile>button:last-child{padding:8px;background:none;border:0;color:var(--color-muted);font-size:20px}.room-main{display:flex;flex-direction:column;min-width:0;background:var(--color-surface);min-height:0}.room-toolbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;gap:15px;flex-shrink:0}.room-toolbar>div{display:flex;align-items:center;gap:12px}.room-toolbar b{font-size:24px;font-weight:400;color:var(--color-secondary)}.room-toolbar strong{font-size:14px;font-weight:500}.room-toolbar span{font-size:10px;color:var(--color-muted);border-left:1px solid var(--color-border-subtle);padding-left:13px}.room-toolbar>button{font-size:11px;padding:10px 14px}.screen-area{--screen-height:56vh;padding:20px 26px 0;max-height:var(--screen-height);overflow:auto;flex-shrink:0}.screen-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:var(--color-secondary)}.screen-toolbar>div{display:flex;gap:5px}.screen-toolbar button{font-size:10px;padding:6px 9px;background:none}.screen-toolbar button[aria-pressed=true]{background:var(--color-accent-tint);color:var(--color-text)}.screen-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.screen-choice{display:flex;align-items:center;gap:10px;background:var(--color-surface-raised);border:1px solid var(--color-border-subtle);border-radius:8px;padding:10px;cursor:pointer}.screen-choice.selected{border-color:var(--color-accent-border)}.screen-choice input{accent-color:var(--color-accent)}.screen-choice .avatar{width:28px;height:28px;border-radius:9px;font-size:10px}.screen-choice>span{font-size:11px}.screen-choice small{display:block;font-size:9px;color:var(--color-muted);margin-top:4px}.screen-hint{font-size:11px;color:var(--color-muted);padding:14px 0;border-bottom:1px solid var(--line);margin-bottom:0}.watch-stage{position:relative;display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px;isolation:isolate}.watch-stage[data-count='2'],.watch-stage[data-count='3'],.watch-stage[data-count='4']{grid-template-columns:repeat(2,minmax(0,1fr))}.player{min-width:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;overflow:hidden;--opacity:.75}.video-frame{position:relative;height:clamp(120px,calc(var(--screen-height) - 160px),480px);background:var(--color-media)}.watch-stage[data-count='3'] .video-frame,.watch-stage[data-count='4'] .video-frame{height:max(90px,calc((var(--screen-height) - 210px)/2))}.video-frame video{width:100%;height:100%;object-fit:contain;display:block}.video-status{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:var(--color-media-overlay);text-align:center;font-size:11px;color:var(--color-media-text);margin:0;padding:15px;pointer-events:none}.player-controls{display:flex;align-items:center;gap:8px;padding:8px 10px}.player-controls strong{font-size:10px;font-weight:500;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-controls button{font-size:9px;padding:5px 7px;background:none;border:0;color:var(--color-secondary)}.opacity{display:flex;padding:8px;align-items:center;gap:10px;font-size:9px;color:var(--color-secondary)}.opacity input{flex:1;min-width:40px;accent-color:var(--color-accent)}.watch-stage[data-layout=overlay]:not([data-count='0']){display:block;height:clamp(120px,calc(var(--screen-height) - 160px - var(--layers)*144px),480px);margin-bottom:calc(var(--layers)*144px)}.watch-stage[data-layout=overlay] .player{position:absolute;inset:0;overflow:visible;background:none;border:0;z-index:auto}.watch-stage[data-layout=overlay] .video-frame{height:100%;background:transparent;pointer-events:none}.watch-stage[data-layout=overlay] .player-controls{position:absolute;top:calc(100% + var(--index)*144px);left:0;right:0;background:var(--color-surface-raised);border-radius:6px 6px 0 0;height:72px}.watch-stage[data-layout=overlay] .opacity{position:absolute;top:calc(100% + var(--index)*144px + 104px);left:0;right:0;background:var(--color-surface-raised);border-radius:0 0 6px 6px;height:30px}.player:fullscreen{position:relative!important;background:var(--color-media)!important;overflow:hidden!important}.player:fullscreen .video-frame{height:calc(100% - 40px)!important;aspect-ratio:auto;opacity:1!important;pointer-events:auto!important}.player:fullscreen .player-controls{position:static!important;height:40px}.player:fullscreen .opacity{display:none}.chat{display:flex;flex-direction:column;flex:1;min-height:180px;padding:0 26px 16px;overflow:hidden}.messages{overflow:auto;flex:1;min-height:70px;scrollbar-width:thin;scrollbar-color:var(--color-scrollbar) transparent;padding:22px 0;overscroll-behavior:contain}.message{display:flex;gap:13px;margin:0 0 22px;overflow-wrap:anywhere}.message>.avatar{width:32px;height:32px;border-radius:10px}.message>div:last-child{flex:1;min-width:0}.message-meta{display:flex;gap:10px;align-items:center}.message-meta strong{font-size:12px;font-weight:500;color:var(--color-text)}.message-meta time{font-size:9px;color:var(--color-muted)}.message p{font-size:13px;line-height:1.8;margin:6px 0 0;white-space:pre-wrap}.composer{display:flex;gap:10px;background:var(--color-input);padding:10px 12px;border-radius:9px}.composer input{flex:1;min-width:0;background:none;border:0;color:var(--color-text);padding:8px;font-size:13px;outline:none}.composer input::placeholder{color:var(--color-muted)}.composer>button{font-size:11px;padding:9px 14px}.composer-footer{display:flex;align-items:center;justify-content:space-between;margin-top:9px}.composer-footer>span{font-size:9px;color:var(--color-muted)}#colors{display:flex;gap:8px;border:0;padding:0;margin:0}#colors label{position:relative;cursor:pointer}#colors input{position:absolute;inset:0;opacity:0;margin:0}#colors span{display:block;width:15px;height:15px;background:var(--color);border:3px solid var(--color-border);border-radius:50%;outline:1px solid transparent}#colors input:checked+span{outline-color:var(--color)}#colors input:focus-visible+span{outline:2px solid var(--color-accent)}.member-sidebar{background:var(--color-surface);padding:26px 16px;border-left:1px solid var(--line);overflow:auto;display:flex;flex-direction:column}.member-sidebar h3{margin:3px 0 22px;font-size:11px;letter-spacing:1px;color:var(--color-secondary);font-weight:500}.member-sidebar h3 span{margin-left:5px;color:var(--color-muted)}.member{display:flex;align-items:center;gap:10px;padding:10px 0}.member>div:nth-child(2){min-width:0;flex:1}.member strong{font-weight:400;font-size:11px;white-space:nowrap;display:block;overflow:hidden;text-overflow:ellipsis;color:var(--color-text)}.member small{font-size:9px;color:var(--color-muted);display:block;margin-top:5px}.member strong small{display:inline;color:var(--color-accent)}.presence{width:6px;height:6px;background:var(--color-muted);border-radius:50%;flex-shrink:0}.presence.voice{background:var(--color-success)}.member.speaking .avatar{outline:2px solid var(--color-accent);outline-offset:2px}.desktop-link{margin-top:auto;padding-top:32px;font-size:11px;color:var(--color-accent);line-height:2}.desktop-link small{font-size:9px;color:var(--color-muted)}dialog{background:var(--color-surface-raised);border:1px solid var(--color-border);color:var(--color-text);border-radius:15px;width:min(430px,calc(100vw - 30px));padding:28px;box-shadow:0 20px 100px var(--color-shadow);max-height:85vh;overflow:auto}dialog::backdrop{background:var(--color-backdrop);backdrop-filter:blur(4px)}dialog h2{font-size:22px;font-weight:500;margin:0 0 24px}dialog p{font-size:12px;color:var(--color-secondary);line-height:1.9}dialog label{display:flex;flex-direction:column;gap:9px;font-size:12px;color:var(--color-accent);margin:20px 0}dialog input:not([type=checkbox]):not([type=file]),dialog select{width:100%;border:1px solid var(--color-border);background:var(--color-input);border-radius:7px;padding:12px;color:var(--color-text);font-size:13px}dialog .check{flex-direction:row;align-items:center;gap:10px}.check input{accent-color:var(--color-accent)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.file-label input{font-size:11px}.small{font-size:10px!important}#source-dialog{width:min(780px,calc(100vw - 30px))}#source-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px}.source{padding:8px;min-width:0;display:flex;flex-direction:column;gap:9px}.source img{width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--color-media)}.source span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%;font-size:11px}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;padding:13px 20px;background:var(--color-control);border:1px solid var(--color-border);border-radius:10px;font-size:12px;max-width:min(640px,90vw);line-height:1.8;z-index:1000;transition:.2s}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:1100px){.workspace{grid-template-columns:210px minmax(0,1fr)}.member-sidebar{display:none}.room-toolbar{padding:0 20px}.screen-area,.chat{padding-left:20px;padding-right:20px}}@media(max-width:700px){.workspace{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);height:100dvh;min-height:500px}.sidebar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 10px;padding:10px 16px;align-items:center}.room-brand{height:40px;margin:0;border:0;grid-column:1}.room-brand strong{font-size:12px}.invite{grid-column:2;font-size:9px;padding:8px;gap:10px}.side-label,.side-description,.self-profile{display:none}.voice-card{grid-column:1/-1;margin:8px 0 0;padding:9px 11px;display:flex;align-items:center;gap:12px}.voice-card>div:first-child{margin:0;font-size:10px}.voice-card>button{width:auto;margin-left:auto;padding:8px 12px;font-size:10px}.voice-actions{margin:0}.voice-actions button{font-size:9px;padding:6px}.room-toolbar{height:60px;padding:0 15px}.room-toolbar span{font-size:9px}.room-toolbar>button{font-size:10px;padding:9px}.screen-area{--screen-height:45vh;padding:14px 15px 0;max-height:var(--screen-height)}.watch-stage[data-count='3'] .video-frame,.watch-stage[data-count='4'] .video-frame{height:clamp(120px,calc(var(--screen-height) - 160px),480px)}.watch-stage[data-layout=overlay] .video-frame{height:100%}.chat{padding:0 15px 12px}.home-header{padding:24px 20px}.home-header>div{gap:15px}.profile-button>span{display:none}.home-actions{flex-direction:column;width:200px}.home-actions button{width:100%}.home-footer{font-size:9px}.message p{font-size:12px}.watch-stage[data-count='2'],.watch-stage[data-count='3'],.watch-stage[data-count='4']{grid-template-columns:1fr}.composer-footer>span{font-size:8px}#source-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* 语音音量设置保留折叠状态，侧栏内容较多时允许滚动。 */
.workspace{min-height:0}
.sidebar{min-height:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--color-scrollbar) transparent}
.room-brand,.invite,.self-profile{flex-shrink:0}
.room-brand{margin-bottom:16px}

.voice-settings>summary{display:flex;align-items:center;gap:8px;list-style:none;cursor:pointer;font-size:11px;color:var(--color-secondary);padding:9px 8px;border-radius:6px;user-select:none}
summary::-webkit-details-marker{display:none}
.voice-settings>summary::before{content:'›';font-size:17px;line-height:12px;width:8px;transform:rotate(0);transition:transform .15s}
.voice-settings[open]>summary::before{transform:rotate(90deg)}
.voice-settings>summary>span{margin-left:auto;font-size:10px;color:var(--color-muted);font-variant-numeric:tabular-nums}
summary:hover{background:var(--color-hover-tint);color:var(--color-text)}
summary:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}

.voice-empty{margin:14px 8px;padding:15px 9px;border:1px dashed var(--color-border-subtle);border-radius:8px;font-size:11px;color:var(--color-secondary);line-height:1.9;text-align:center}
.voice-empty span{font-size:10px;color:var(--color-muted)}
.voice-member{margin:4px 0;border-radius:8px;background:var(--color-hover-tint)}
.voice-member-row{display:flex;align-items:center;gap:9px;padding:9px 8px;list-style:none;border-radius:8px}
summary.voice-member-row{cursor:pointer}
.voice-member-row .avatar{width:27px;height:27px;border-radius:9px;font-size:11px}
.voice-member-info{flex:1;min-width:0}
.voice-member-info strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:500;color:var(--color-accent)}
.voice-member-info small{display:block;font-size:9px;margin-top:4px;color:var(--color-muted)}
.voice-member-level{flex-shrink:0;font-size:10px;color:var(--color-accent);font-variant-numeric:tabular-nums}
summary.voice-member-row::after{content:'›';font-size:14px;color:var(--color-muted)}
details[open]>summary.voice-member-row::after{transform:rotate(90deg)}
.voice-member-row.speaking .avatar{outline:2px solid var(--color-accent);outline-offset:2px}
.voice-member-row.speaking .voice-member-info small{color:var(--color-success)}
.voice-member>.volume-control{margin:4px 9px 12px;padding-top:10px;border-top:1px solid var(--line)}
.voice-member:has(input:disabled) .volume-control{opacity:.5}
.voice-card{flex-shrink:0;margin:0 0 14px;padding:13px 11px;background:linear-gradient(145deg,var(--color-surface-raised),var(--color-surface));border-color:var(--color-border-subtle)}
.voice-card .voice-connection{display:flex;align-items:center;gap:9px;margin-bottom:12px;font-size:11px}
#voice-dot{color:var(--color-muted);font-size:12px}
.voice-connection strong{font-weight:500}
.voice-connection small{display:block;margin-top:5px;color:var(--color-muted);font-size:9px}
.voice-actions button{padding:9px 4px;font-size:10px}
.voice-settings{margin-top:12px;padding-top:8px;border-top:1px solid var(--color-border-subtle)}
.voice-settings>summary{padding:6px 0;font-size:10px;color:var(--color-accent)}
.voice-settings>summary>span{font-size:9px}
.voice-settings>p{font-size:9px;color:var(--color-muted);line-height:1.7;margin:8px 0 0}
.volume-control{display:block;margin:12px 0;color:var(--color-accent);font-size:10px}
.volume-control>span{display:flex;align-items:center;justify-content:space-between;gap:10px}
.volume-control output{font-size:11px;color:var(--color-text);font-variant-numeric:tabular-nums}
.volume-control>input{display:block;appearance:none;width:100%;height:5px;margin:14px 0 10px;border:0;border-radius:5px;background:linear-gradient(to right,var(--color-input) var(--volume),var(--color-input) var(--volume));cursor:pointer}
.volume-control>input::-webkit-slider-thumb{appearance:none;width:13px;height:13px;background:var(--color-accent);border:2px solid var(--color-border);border-radius:50%;box-shadow:0 1px 5px var(--color-shadow)}
.volume-control>input::-moz-range-thumb{width:9px;height:9px;background:var(--color-accent);border:2px solid var(--color-border);border-radius:50%;box-shadow:0 1px 5px var(--color-shadow)}
.volume-control>input:disabled{cursor:not-allowed}
.volume-control>small{display:flex;justify-content:space-between;font-size:8px;color:var(--color-muted)}
.volume-reset{width:100%;padding:7px;font-size:10px;background:var(--color-hover-tint);color:var(--color-accent);border-color:var(--color-border-subtle)}
/* 窄屏仍提供语音面板、成员音量及本机音量设置。 */
@media(max-width:700px){
 .sidebar{max-height:55dvh;overflow-y:auto;align-items:start}

 .voice-empty{padding:8px 4px;margin:8px 0;font-size:10px}
 .voice-empty span{font-size:9px}
 .voice-member-row{padding:8px 5px;gap:7px}
 .voice-member-row .avatar{width:24px;height:24px;border-radius:8px}
 .voice-member-level{font-size:9px}
 .voice-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;grid-column:1/-1;margin:10px 0 0;padding:10px 11px}
 .voice-card .voice-connection{margin:0;font-size:10px;align-self:center}
 .voice-card>button{margin:0;width:auto}
 .voice-actions{grid-column:1/-1;margin:0}
 .voice-actions button{padding:8px}
 .voice-settings{grid-column:1/-1;margin:0}
 #voice-volume-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
 .voice-member>.volume-control{margin:4px 7px 12px}
 .voice-settings>p{margin-top:6px}
}

/* 直播观看工具、独立信息窗口和全屏弹幕。 */
.room-toolbar .header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.header-actions button{font-size:11px;padding:10px 12px}
#focus-mode[aria-pressed=true]{color:var(--color-accent);background:var(--color-accent-tint);border-color:var(--color-accent-border)}
.screen-toolbar{flex-wrap:wrap;gap:10px}
.screen-toolbar>div{flex-wrap:wrap;justify-content:flex-end;gap:5px}
.screen-toolbar button[aria-pressed=true]{background:var(--color-accent-tint);color:var(--color-text)}
#clear-watch{color:var(--color-secondary)}
.player-controls{min-height:72px;flex-wrap:wrap;gap:6px}
.player-controls>strong{font-size:11px}
.player-state{font-size:9px;color:var(--color-success);max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.player-state.error{color:var(--color-danger)}
.player-buttons{display:flex;flex:0 0 100%;justify-content:flex-end;gap:4px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.player-buttons button{flex-shrink:0}
.player-buttons button:hover,.player-buttons button[aria-expanded=true],.player-buttons button[aria-pressed=true]{background:var(--color-accent-tint);color:var(--color-text)}
.player-buttons .unwatch{color:var(--color-danger);font-size:13px;padding:2px 7px}
.watch-stage[data-layout=overlay] .video-frame video{position:relative;z-index:calc(var(--index) + 1);opacity:var(--opacity)}
.watch-stage[data-layout=overlay] .danmaku-layer{z-index:10}
.player:fullscreen .video-frame{height:calc(100% - 104px)!important}
.player:fullscreen .video-frame video{opacity:1!important}
.player:fullscreen .player-controls{height:72px}
.video-status{z-index:3}
.live-info{position:absolute;top:10px;right:10px;z-index:20;width:min(275px,calc(100% - 20px));max-height:calc(100% - 20px);padding:12px 14px;overflow:auto;border:1px solid var(--color-border);border-radius:9px;background:var(--color-accent-tint);box-shadow:0 6px 24px var(--color-shadow);pointer-events:auto;scrollbar-width:thin}
.live-info>header{display:flex;align-items:center;justify-content:space-between;gap:8px}
.live-info>header strong{font-size:11px;font-weight:600;color:var(--color-text)}
.live-info .info-close{border:0;background:none;font-size:18px;padding:0 5px;color:var(--color-accent)}
.live-info dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:9px 14px;margin:13px 0;font-size:10px}
.live-info dt{color:var(--color-secondary)}
.live-info dd{margin:0;text-align:right;color:var(--color-text);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.live-info>p{font-size:9px;line-height:1.7;color:var(--color-secondary);margin:8px 0 0;border-top:1px solid var(--color-border-subtle);padding-top:8px}
.danmaku-layer{position:absolute;inset:0;z-index:2;overflow:hidden;pointer-events:none}
.danmaku-item{position:absolute;left:0;white-space:pre;line-height:1.3;font-weight:600;text-shadow:1px 1px 2px var(--color-media-shadow),-1px -1px 2px var(--color-media-shadow);will-change:transform}
.danmaku-item.fixed{left:50%;transform:translateX(-50%);max-width:92%;overflow:hidden;text-overflow:ellipsis;will-change:auto}
/* 专注模式保留聊天输入入口，以便观看时继续发送消息。 */
.workspace.focus-mode{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr)}
.focus-mode>.sidebar,.focus-mode>.member-sidebar{display:none}
.focus-mode .screen-area{flex:1;min-height:0;max-height:none;--screen-height:calc(100dvh - 240px)}
.focus-mode .chat{flex:0 0 160px;min-height:160px}
.focus-mode .screen-hint{display:none}
/* 阅读旧聊天时提供未读提示，不强制打断用户的滚动位置。 */
.message-history{position:relative;flex:1;min-height:70px;overflow:hidden}
.message-history .messages{height:100%}
.messages:empty::before{content:'欢迎来到房间\A邀请朋友、分享屏幕，或发送第一条消息。';display:block;white-space:pre-line;font-size:12px;line-height:2.2;color:var(--color-muted);padding:25px 0}
.jump-latest{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);z-index:2;font-size:10px;white-space:nowrap;padding:8px 14px;border-radius:20px;background:var(--color-control-hover);border-color:var(--color-border);box-shadow:0 3px 15px var(--color-shadow);color:var(--color-text)}
.composer-footer{gap:10px;flex-wrap:wrap}
#message-length{margin-left:auto;font-size:9px;font-variant-numeric:tabular-nums;color:var(--color-muted)}
/* 弹幕设置窗口采用即时保存，并提供不向房间发送的本机预览。 */
#danmaku-dialog{width:min(480px,calc(100vw - 30px))}
.danmaku-switches{display:flex;flex-wrap:wrap;gap:0 20px}
.danmaku-switches label{margin:10px 0}
.danmaku-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.danmaku-options>label{margin:12px 0;min-width:0}
.danmaku-options .danmaku-opacity{display:grid;grid-template-columns:1fr auto;align-content:start}
.danmaku-opacity output{color:var(--color-text);font-size:11px;font-variant-numeric:tabular-nums}
#danmaku-opacity{grid-column:1/-1;width:100%;height:6px;padding:0;border:0;margin-top:17px;accent-color:var(--color-accent);cursor:pointer}
.danmaku-tools{display:flex;gap:8px;flex-wrap:wrap}
.danmaku-tools button{padding:8px 10px;font-size:11px}
@media(max-width:700px){
 .room-toolbar{gap:8px}
 .room-toolbar>div{gap:8px;min-width:0}
 .room-toolbar #connection-status{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-left:8px}
 .room-toolbar .header-actions{gap:5px}
 .header-actions button{font-size:9px;padding:8px}
 .screen-toolbar>div{justify-content:flex-start}
 .screen-toolbar button{font-size:9px;padding:6px 7px}
 .screen-hint{font-size:10px;line-height:1.8}
 .player-controls{padding:8px}
 .player-buttons{justify-content:flex-start}
 .player-buttons button{font-size:9px;padding:5px}
 .focus-mode .screen-area{--screen-height:calc(100dvh - 220px)}
 .composer-footer{gap:8px}
 #colors{gap:6px}
 .danmaku-options{gap:0 12px}
}
@media(max-width:380px){.room-toolbar #connection-status{display:none}.danmaku-options{grid-template-columns:1fr}}

/* 专注观看时保留语音开关，无需返回侧栏操作。 */
.screen-toolbar>.focus-voice-actions{display:none}
.focus-mode .screen-toolbar>.focus-voice-actions{display:flex;align-items:center;flex-basis:100%;justify-content:flex-start;padding-top:8px;border-top:1px solid var(--line)}
.focus-voice-actions>span{font-size:10px;color:var(--color-success);margin-right:4px}
.focus-voice-actions button[aria-pressed=true]{color:var(--color-danger)}

/* 首页常用房间按最近加入时间展示，移除记录不会删除服务端房间。 */
.home{padding:26px 0 40px}
.recent-rooms{width:min(680px,calc(100% - 40px));margin-top:8px}
.recent-rooms>header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px;padding:0 4px}
.recent-rooms h2{font-size:15px;font-weight:500;letter-spacing:1px;color:var(--color-text);margin:0}
.recent-rooms header p{font-size:11px;color:var(--color-muted);margin:7px 0 0}
#recent-room-count{font-size:11px;color:var(--color-secondary);font-variant-numeric:tabular-nums}
.recent-room-card{display:flex;align-items:center;gap:2px;margin-top:10px;border:1px solid var(--color-border-subtle);border-radius:12px;background:var(--color-surface);transition:border-color .15s}
.recent-room-card:focus-within,.recent-room-card:hover{border-color:var(--color-accent)}
.recent-room-open{display:flex;align-items:center;gap:14px;flex:1;min-width:0;padding:16px;border:0;background:none;text-align:left;border-radius:12px}
.recent-room-open:hover{background:var(--color-hover-tint)}
.recent-room-icon{display:grid;place-items:center;flex-shrink:0;width:42px;height:42px;border-radius:12px;background:var(--color-accent-tint);font-size:23px;color:var(--color-accent)}
.recent-room-details{display:block;flex:1;min-width:0}
.recent-room-details>strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:500;color:var(--color-text)}
.recent-room-code{display:flex;align-items:center;flex-wrap:wrap;gap:5px 12px;margin-top:7px;color:var(--color-accent);font:10px monospace;letter-spacing:1px}
.recent-room-state{color:var(--color-secondary);font:10px Inter,"Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:0}
.recent-room-details>time{display:block;margin-top:6px;font-size:9px;color:var(--color-muted)}
.recent-room-enter{flex-shrink:0;font-size:11px;color:var(--color-accent);white-space:nowrap}
.recent-room-remove{flex-shrink:0;border:0;background:none;color:var(--color-muted);font-size:18px;padding:8px;margin-right:8px}
.recent-room-remove:hover{color:var(--color-danger);background:var(--color-danger-tint)}
.recent-room-card.unavailable{background:var(--color-surface)}
.recent-room-card.unavailable .recent-room-state{color:var(--color-danger)}
.recent-room-open:disabled{opacity:.65}
.recent-room-empty{padding:30px 20px;text-align:center;border:1px dashed var(--color-border);border-radius:12px;background:var(--color-surface)}
.recent-room-empty strong{font-size:12px;font-weight:500;color:var(--color-accent)}
.recent-room-empty p{font-size:11px;line-height:1.9;color:var(--color-muted);margin:10px 0 0}
@media(max-width:700px){
 .home{padding-top:15px}
 .recent-rooms{margin-top:14px}
 .recent-room-open{gap:10px;padding:13px 10px}
 .recent-room-icon{width:34px;height:34px;border-radius:10px;font-size:20px}
 .recent-room-details>strong{font-size:12px}
 .recent-room-code{font-size:9px;gap:5px 8px}
 .recent-room-state,.recent-room-enter{font-size:9px}
 .recent-room-remove{margin-right:4px;padding:7px}
 .recent-rooms h2{font-size:14px}
 .recent-rooms header p{font-size:10px}
}

/* 断线保留原界面，并提供明确的重试入口。 */
.room-connection-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 26px;border-bottom:1px solid var(--color-warning);background:var(--color-warning-tint);flex-shrink:0}
.room-connection-banner>span{font-size:11px;line-height:1.8;color:var(--color-warning)}
.room-connection-banner>button{flex-shrink:0;font-size:10px;padding:7px 10px;background:var(--color-warning-tint);border-color:var(--color-warning);color:var(--color-warning)}
/* 直播增益与语音音量独立，静音开关不覆盖滑块比例。 */
.stream-volume{height:32px;display:flex;align-items:center;gap:9px;padding:5px 10px;font-size:10px;color:var(--color-accent);border-top:1px solid var(--color-border-subtle)}
.stream-volume input{flex:1;min-width:35px;accent-color:var(--color-accent);height:5px;margin:0;cursor:pointer}
.stream-volume output{width:36px;text-align:right;font-variant-numeric:tabular-nums;color:var(--color-text)}
.stream-volume>span{font-size:8px;color:var(--color-muted);white-space:nowrap}
.watch-stage[data-layout=overlay] .stream-volume{position:absolute;top:calc(100% + var(--index)*144px + 72px);left:0;right:0;background:var(--color-surface-raised)}
.player:fullscreen .stream-volume{position:static!important;height:32px;background:var(--color-surface)}
/* 设备设置入口始终可用，加入语音后显示发送端电平。 */
.voice-card>.audio-settings-button{width:100%;margin:10px 0 0;padding:8px;font-size:10px;color:var(--color-accent);background:var(--color-hover-tint);border-color:var(--color-border-subtle)}
.microphone-level{display:grid;gap:7px;padding-top:11px;margin-top:10px;border-top:1px solid var(--color-border-subtle);color:var(--color-accent);font-size:10px}
.microphone-level>meter{display:block;width:100%;height:9px;appearance:none;border:0;border-radius:5px;background:var(--color-control)}
.microphone-level>meter::-webkit-meter-bar{border:0;border-radius:5px;background:var(--color-control)}
.microphone-level>meter::-webkit-meter-optimum-value{border-radius:5px;background:var(--color-success)}
.microphone-level>meter::-moz-meter-bar{border-radius:5px;background:var(--color-success)}
.microphone-level>small{font-size:9px;color:var(--color-secondary)}
.audio-input-level{padding:15px;border:1px solid var(--color-border-subtle);border-radius:9px;background:var(--color-input)}
.audio-device-tools{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.audio-device-tools button{font-size:11px;padding:9px 12px}
#audio-device-help{min-height:22px}
@media(max-width:700px){
 .room-connection-banner{padding:8px 15px;gap:8px}
 .room-connection-banner>span{font-size:10px}
 .voice-card>.audio-settings-button{grid-column:1/-1;margin:0}
 .stream-volume{font-size:9px;padding:5px 8px;gap:7px}
 .stream-volume>span{font-size:8px}
}

/* 房间入口始终可见，窄屏和专注观看时仍可邀请、查看成员与离开。 */
#toggle-voice-panel{display:none}
#open-room-panel{display:flex;align-items:center;gap:7px;color:var(--color-accent)}
#room-panel-label,#room-panel-count{border:0;padding:0;color:inherit}
#room-panel-label{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#room-panel-count{font-size:10px;font-variant-numeric:tabular-nums;border-radius:5px;background:var(--color-accent-tint);padding:1px 5px}
#room-panel-dialog{width:min(500px,calc(100vw - 30px))}
.room-dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.room-dialog-heading h2{margin:0}
.room-dialog-heading>button{border:0;background:none;font-size:24px;line-height:1;padding:6px;color:var(--color-accent)}
#room-panel-name{font-size:17px;font-weight:500;overflow-wrap:anywhere;margin:0}
#room-panel-dialog>label{margin:16px 0 8px}
.invite-field{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}
.invite-field>input{min-width:0}
.invite-field>button{font-size:11px;padding:10px 12px}
#room-invite-code{font-family:monospace;letter-spacing:3px;font-size:17px}
#room-copy-status{min-height:23px;color:var(--color-accent)}
.room-panel-member-section{border-top:1px solid var(--line);padding-top:18px;margin-top:20px}
.room-panel-member-section>header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.room-panel-member-section h3{margin:0;font-size:12px;font-weight:500;color:var(--color-accent)}
#room-panel-member-count{font-size:11px;color:var(--color-accent)}
#room-panel-members{max-height:240px;overflow-y:auto;margin-top:10px;scrollbar-width:thin}
#room-panel-members .member{padding:10px 4px}
.room-panel-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.room-panel-actions>button{flex:1;font-size:11px;white-space:nowrap}
#leave-effects{padding-left:20px;margin:16px 0;color:var(--color-danger);font-size:12px;line-height:2}

/* 手机可收起语音面板，主区域允许滚动，键盘弹出后仍可找到消息输入框。 */
@media(max-width:700px){
 #toggle-voice-panel{display:block;flex-shrink:0;font-size:10px;padding:8px}
 #toggle-voice-panel[aria-expanded=true]{background:var(--color-accent-tint);color:var(--color-text)}
 .workspace.voice-collapsed{grid-template-rows:minmax(0,1fr)}
 .workspace.voice-collapsed>.sidebar{display:none}
 .room-main{overflow-y:auto}
 .room-toolbar{height:auto;min-height:60px;padding:10px 15px;flex-wrap:wrap;gap:8px;position:sticky;top:0;z-index:30;background:var(--color-surface)}
 .room-toolbar>.toolbar-identity{flex:1 1 100%}
 .room-toolbar .header-actions{width:100%;justify-content:flex-end}
 .chat{flex:1 0 200px;min-height:200px}
 .voice-collapsed .screen-toolbar>.focus-voice-actions{display:flex;align-items:center;flex-basis:100%;justify-content:flex-start;padding-top:8px;border-top:1px solid var(--line)}
 .focus-mode #toggle-voice-panel{display:none}
 .invite-field>button{padding:10px 8px}
}

/* 主画面与缩略图共享原有播放器，CSS 排序不会重新挂载视频节点。 */
.watch-layout-description{font-size:10px;line-height:1.8;color:var(--color-accent);margin:12px 0 0}
.player-buttons>.tools-toggle{display:none}
.player-buttons>.primary-view[aria-pressed=true]{color:var(--color-text);background:var(--color-accent-tint);opacity:1}
.watch-stage[data-layout=spotlight]{grid-template-columns:minmax(0,1fr) minmax(150px,28%);align-items:start;--spotlight-height:clamp(200px,calc(var(--screen-height) - 200px),520px)}
.watch-stage[data-layout=spotlight]>.player[data-primary=true]{grid-column:1;grid-row:1/span 3;border-color:var(--color-accent-border)}
.watch-stage[data-layout=spotlight]>.player[data-primary=true] .video-frame{height:var(--spotlight-height)}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]{grid-column:2}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .video-frame{height:clamp(72px,calc((var(--spotlight-height) + 84px)/3 - 34px),160px)}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) video{cursor:pointer}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .player-controls{min-height:34px;padding:6px;gap:5px;flex-wrap:nowrap}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .player-controls>strong{font-size:10px}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .player-state{display:none}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .player-buttons{flex:0 0 auto;gap:3px;overflow:visible}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .player-buttons>button{display:none;padding:4px;font-size:9px}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .player-buttons>.primary-view,
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .player-buttons>.tools-toggle{display:block}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .tools-toggle{min-width:24px}
.watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .stream-volume{display:none}
/* 缩略图展开后提供全部控制，声音、增益及播放暂停状态不随主次切换改变。 */
.watch-stage[data-layout=spotlight]>.player[data-primary=false][data-tools-expanded=true]:not(:fullscreen) .player-controls{flex-wrap:wrap;min-height:72px}
.watch-stage[data-layout=spotlight]>.player[data-primary=false][data-tools-expanded=true]:not(:fullscreen) .player-buttons{flex:0 0 100%;overflow-x:auto;justify-content:flex-start}
.watch-stage[data-layout=spotlight]>.player[data-primary=false][data-tools-expanded=true]:not(:fullscreen) .player-buttons>button{display:block}
.watch-stage[data-layout=spotlight]>.player[data-primary=false][data-tools-expanded=true]:not(:fullscreen) .stream-volume{display:flex}
@media(max-width:1000px){
 .watch-stage[data-layout=spotlight]{grid-template-columns:repeat(2,minmax(0,1fr))}
 .watch-stage[data-layout=spotlight]>.player[data-primary=true]{grid-column:1/-1;grid-row:1}
 .watch-stage[data-layout=spotlight]>.player[data-primary=false]{grid-column:auto}
 .watch-stage[data-layout=spotlight]>.player[data-primary=false]:not(:fullscreen) .video-frame{height:110px}
}
.watch-stage[data-layout=spotlight][data-count='1']{grid-template-columns:1fr}

/* 本机分享状态持续可见，窄屏时按钮和指标自然换行。 */
.share-preset-summary{padding:10px 12px;border-radius:8px;background:var(--bg-secondary,var(--color-surface));color:var(--accent,var(--color-accent));font-size:13px}.own-share-status{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 16px;margin:12px 0;padding:14px 16px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface)}.own-share-status[hidden]{display:none}.share-status-heading{display:flex;align-items:center;gap:12px;min-width:0}.share-status-heading strong{color:var(--color-success);font-size:14px;white-space:nowrap}.share-status-heading span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--color-text);font-size:12px}.own-share-status p{grid-column:1;margin:0;font-size:12px;line-height:1.6;color:var(--color-secondary);overflow-wrap:anywhere}.share-status-actions{grid-column:2;grid-row:1/4;display:flex;align-items:center;gap:8px}.own-share-status[data-phase=error]{background:var(--color-danger-tint);border-color:var(--color-danger)}.own-share-status[data-phase=error] strong{color:var(--color-danger)}.own-share-status[data-phase=selecting] strong,.own-share-status[data-phase=connecting] strong{color:var(--color-warning)}@media(max-width:700px){.own-share-status{grid-template-columns:minmax(0,1fr)}.share-status-actions{grid-column:1;grid-row:auto;justify-content:flex-end}.share-status-heading{align-items:flex-start;flex-direction:column;gap:4px}.share-status-heading span{max-width:100%}}