:root{--bg: #0b141a;--panel: #111b21;--panel-2: #182229;--line: #20303a;--text: #e9edef;--muted: #8696a0;--accent: #00a884;--bubble-me: #005c4b;--bubble-other: #202c33;--danger: #f15c6d;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--link-other: #53bdeb;--link-me: #aef0e0;--chat-bg: #0b141a;--msg-font: 16px}body.light{--bg: #eef0f2;--panel: #ffffff;--panel-2: #e4e9ec;--line: #cfd6da;--text: #0b141a;--muted: #5b6770;--accent: #008f72;--bubble-me: #d6fcc8;--bubble-other: #ffffff;--danger: #d11a2a;--link-other: #027eb5;--link-me: #027a63;--chat-bg: #e5ddd5}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe 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8px!important}.login-box{margin:auto;width:min(360px,88vw);display:flex;flex-direction:column;gap:14px;padding:28px;background:var(--panel);border-radius:16px}.login-box h1{margin:0 0 6px;text-align:center}.brand{color:var(--accent)}.login-box input,.card input,.group-name-row input{background:var(--panel-2);border:1px solid var(--line);color:var(--text);padding:13px 14px;border-radius:10px}.login-box button,.card button,.card-btn{background:var(--accent);color:#04231c;border:none;padding:13px;border-radius:10px;font-weight:600;cursor:pointer}.error{color:var(--danger);min-height:18px;margin:0;font-size:14px;text-align:center}.chat-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}body.light .chat-list{background:var(--panel)}.chat-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);cursor:pointer}.chat-item:active{background:var(--panel-2)}.avatar{width:46px;height:46px;border-radius:50%;background:var(--panel-2);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:18px;flex-shrink:0}.avatar.group{color:#f0a93b}.avatar.quiz{color:var(--accent)}.chat-meta{flex:1;min-width:0}.chat-name{font-weight:600}.chat-sub{color:var(--muted);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-right{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.chat-time{color:var(--muted);font-size:12px;white-space:nowrap}.chat-time.online{color:var(--accent)}.badge{background:var(--accent);color:#04231c;min-width:20px;height:20px;padding:0 6px;border-radius:10px;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}.messages{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:4px;background:var(--chat-bg)}.msg{max-width:82%;padding:7px 10px 5px;border-radius:10px;background:var(--bubble-other);align-self:flex-start;word-wrap:break-word;position:relative}.msg.me{align-self:flex-end;background:var(--bubble-me)}.msg .sender{font-size:13px;font-weight:600;color:var(--accent);margin-bottom:2px}.msg.me .sender{display:none}.msg .body{white-space:pre-wrap;line-height:1.35;font-size:var(--msg-font)}.msg .body a{color:var(--link-other);text-decoration:underline;word-break:break-all}.msg.me .body a{color:var(--link-me)}.msg img{max-width:100%;border-radius:8px;display:block;cursor:pointer}.msg video{max-width:100%;max-height:60vh;border-radius:8px;display:block;background:#000}.msg .time{font-size:11px;color:var(--muted);text-align:right;margin-top:2px}.ticks{display:inline-block;margin-left:4px;vertical-align:-1px}.ticks .tick{width:15px;height:11px;display:inline-block;color:var(--muted)}.ticks.read 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var(--accent)}}.screen.dragging:after{content:"\41e\442\43f\443\441\442\438\442\435, \447\442\43e\431\44b  \43e\442\43f\440\430\432\438\442\44c  \43a\430\440\442\438\43d\43a\443";position:absolute;inset:0;z-index:50;background:#00a88426;border:2px dashed var(--accent);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:18px;padding:20px;text-align:center;pointer-events:none}.reactions{display:flex;flex-wrap:wrap;gap:4px;margin-top:5px}.react-pill{display:inline-flex;align-items:center;gap:3px;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:2px 8px 2px 5px;cursor:pointer;font-size:12px;color:var(--text)}.react-pill .re{font-size:14px;line-height:1}.react-pill.mine{background:#00a88440;border-color:var(--accent)}.react-bar{display:flex;gap:4px;justify-content:space-between;padding:4px 4px 10px;border-bottom:1px solid 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10px;background:var(--panel);border-top:1px solid var(--line)}.quiz-cmd{flex:1;background:var(--panel-2);border:1px solid var(--line);color:var(--text);padding:9px 4px;border-radius:10px;font-size:13px;cursor:pointer;white-space:nowrap}.quiz-cmd:active{background:var(--accent);color:#04231c}.caption{margin-top:5px;white-space:pre-wrap;line-height:1.35;font-size:var(--msg-font)}.hidden{display:none!important}.admin-only{display:none}body.is-admin .admin-only{display:inline-flex}.toast{position:fixed;bottom:calc(20px + var(--safe-bottom));left:50%;transform:translate(-50%) translateY(20px);background:var(--panel-2);color:var(--text);padding:10px 18px;border-radius:20px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;border:1px solid var(--line);z-index:100}.toast.show{opacity:1;transform:translate(-50%) 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img{max-width:100%;max-height:100%;border-radius:6px;touch-action:none;will-change:transform;transform-origin:center center;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.lb-close{position:absolute;top:calc(10px + var(--safe-top));right:14px;width:40px;height:40px;border-radius:50%;background:#00000073;border:none;color:#fff;font-size:26px;line-height:1;cursor:pointer;z-index:1;display:flex;align-items:center;justify-content:center}#btn-mute svg{width:22px;height:22px;display:block}#btn-mute.muted{color:var(--muted)}.chat-right-row{display:flex;align-items:center;gap:6px}.mute-mark{color:var(--muted);display:inline-flex}.mute-mark .ic-mute{width:15px;height:15px;display:block}