:root{--bg:#f4f5f7;--panel:#fff;--border:#e3e5e8;--text:#1c1e21;--muted:#6b7280;--accent:#07c160;--accent-text:#fff;--accent-soft:#e6f8ee;--bubble-in:#fff;--bubble-out:#d9f7e6;--danger:#d93025;--warn:#b26a00;--warn-bg:#fff4e0;--radius:10px;color:var(--text);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}@media (prefers-color-scheme:dark){:root{--bg:#111315;--panel:#1b1e21;--border:#2c3035;--text:#e8eaed;--muted:#9aa0a6;--accent-soft:#17352a;--bubble-in:#24282c;--bubble-out:#1d3b2b;--warn:#f0b45a;--warn-bg:#3a2c12}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);overscroll-behavior:none}input,textarea,select,button{font:inherit;color:inherit}input,textarea,select{background:var(--panel);border:1px solid var(--border);border-radius:8px;min-width:0;padding:9px 11px}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);outline-offset:-1px}button{background:var(--accent);color:var(--accent-text);cursor:pointer;border:0;border-radius:8px;padding:9px 14px}button:disabled{opacity:.5;cursor:default}button.link{color:var(--muted);background:0 0;padding:6px 8px}button.link:hover,button.link.on{color:var(--text)}button.secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}button.add{margin-top:12px}a{color:var(--accent)}.muted{color:var(--muted)}.small{font-size:12px}.error{color:var(--danger)}.ok{color:var(--accent)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.login{background:var(--panel);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:10px;max-width:340px;margin:15vh auto;padding:24px;display:flex}.login h1{margin:0 0 8px;font-size:20px}.app{height:100dvh;display:flex}.sidebar{background:var(--panel);border-right:1px solid 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14px;display:flex}.chat-list li:hover{background:var(--bg)}.chat-list li.active{background:var(--accent-soft)}.avatar{background:var(--bg);width:42px;height:42px;color:var(--muted);border-radius:50%;flex-shrink:0;place-items:center;font-size:16px;font-weight:600;display:grid}.avatar.direct{background:var(--accent-soft);color:var(--accent)}.item{flex:1;min-width:0}.row1,.row2{align-items:center;gap:8px;display:flex}.row1 .title{text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:600;overflow:hidden}.row1 .time{color:var(--muted);flex-shrink:0;font-size:11px}.row2{margin-top:2px}.row2 .preview{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;overflow:hidden}.unread{background:var(--accent);color:var(--accent-text);border-radius:10px;flex-shrink:0;place-items:center;min-width:20px;height:20px;padding:0 6px;font-size:11px;font-weight:600;display:grid}.chat{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.chat>header{justify-content:flex-start}.chat-title{flex-direction:column;flex:1;min-width:0;display:flex}.chat-title strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.back{color:var(--text);background:0 0;padding:2px 10px 2px 0;font-size:22px;display:none}.placeholder{margin:auto}.panel-body{-webkit-overflow-scrolling:touch;flex:1;overflow-y:auto}.note-banner{background:var(--warn-bg);border-bottom:1px solid var(--border);white-space:pre-wrap;max-height:30vh;padding:10px 16px;overflow-y:auto}.messages{-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.msg{flex-direction:column;max-width:min(70%,560px);display:flex}.msg.in{align-self:flex-start}.msg.out{align-self:flex-end;align-items:flex-end}.sender{color:var(--muted);margin-bottom:2px;font-size:12px}.bubble{border-radius:var(--radius);background:var(--bubble-in);border:1px solid var(--border);white-space:pre-wrap;word-break:break-word;max-width:100%;padding:8px 12px}.msg.out .bubble{background:var(--bubble-out)}.msg.blocked .bubble{border-color:var(--danger);opacity:.7}.msg.failed .bubble{border-color:var(--danger)}.translation{border-top:1px dashed var(--border);color:var(--muted);margin-top:6px;padding-top:6px}.meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin-top:2px;font-size:11px;display:flex}.badge{background:var(--bg);border-radius:4px;padding:1px 6px}.badge.warn{background:var(--warn-bg);color:var(--warn)}.badge.danger{color:var(--danger)}.media{object-fit:contain;background:#000;border-radius:6px;width:320px;max-width:100%;max-height:360px;display:block}img.media{background:0 0;width:auto}.voice{width:260px;max-width:100%;height:40px;display:block}.file{color:var(--text);align-items:center;gap:8px;text-decoration:none;display:flex}.file-icon{font-size:20px}.file-name{word-break:break-all;text-decoration:underline}.composer-wrap{background:var(--panel);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.composer{align-items:flex-end;gap:8px;padding:10px 12px;display:flex}.composer textarea{resize:none;field-sizing:content;flex:1;min-height:42px;max-height:160px}.composer .attach{background:var(--bg);color:var(--text);border:1px solid var(--border);height:42px;padding:8px 10px;font-size:18px}.composer .send{height:42px}.send-icon{display:none}.upload{color:var(--muted);padding:8px 12px 0;font-size:12px}.upload .bar{background:var(--bg);border-radius:2px;height:4px;margin-top:4px;overflow:hidden}.upload .bar div{background:var(--accent);height:100%;transition:width .2s}.composer-error{padding:8px 12px 0}.readonly{text-align:center;background:var(--panel);border-top:1px solid var(--border);padding:16px;padding-bottom:max(16px, env(safe-area-inset-bottom))}.mock{border-top:1px dashed var(--border);background:var(--bg);flex-wrap:wrap;align-items:center;gap:8px;padding:8px 16px;display:flex}.mock input{flex:1;min-width:160px}.settings{max-width:680px;padding:20px}.settings.wide{max-width:980px}.settings section{margin-bottom:24px}.settings h3{margin:0 0 6px;font-size:15px}.settings .row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;display:flex}.settings .row input:not([type=checkbox]){flex:1;min-width:160px}.settings .name{flex-direction:column;flex-shrink:0;width:220px;display:flex}.settings .check{cursor:pointer}.stack{flex-direction:column;gap:10px;max-width:360px;display:flex}.lock{background:var(--warn-bg);color:var(--warn);border-radius:4px;margin-left:6px;padding:1px 6px;font-size:11px;font-weight:500}.facts{grid-template-columns:160px 1fr;gap:6px 12px;margin:8px 0 0;display:grid}.facts dt{color:var(--muted)}.facts dd{word-break:break-all;margin:0}.field{flex-direction:column;gap:4px;margin-bottom:12px;display:flex}.field textarea{resize:vertical}.grid{border-collapse:collapse;width:100%}.grid th,.grid td{text-align:left;border-bottom:1px solid var(--border);padding:8px}.grid input{width:100%}.grid td.actions{flex-wrap:wrap;gap:6px;display:flex}.dot{background:var(--muted);vertical-align:middle;border-radius:50%;width:8px;height:8px;display:inline-block}.dot.online{background:var(--accent)}.dot.banned{background:var(--danger)}.qr-login{border:1px solid var(--border);background:var(--panel);border-radius:var(--radius);padding:16px}.qr-body{flex-wrap:wrap;align-items:flex-start;gap:20px;margin:12px 0;display:flex}.qr{background:#fff;border-radius:8px;width:220px;height:220px;padding:8px}.steps{max-width:420px;margin:0;padding-left:18px;line-height:1.7}.verify{background:var(--warn-bg);word-break:break-all;border-radius:6px;margin:8px 0;padding:10px 12px}.toast{bottom:calc(20px + env(safe-area-inset-bottom));background:var(--text);color:var(--panel);z-index:10;border-radius:6px;padding:8px 14px;position:fixed;right:20px}@media (width<=760px){:root{font-size:15px}input,textarea,select{font-size:16px}.sidebar{border-right:0;width:100%}.app.main-open .sidebar,.app:not(.main-open) .chat{display:none}.back{display:block}.msg{max-width:86%}.messages{padding:12px}.media{width:100%}.send-label{display:none}.send-icon{display:inline}.composer .send{width:46px;padding:0;font-size:18px}.settings{padding:14px}.settings .name{width:100%}.facts{grid-template-columns:1fr}.facts dt{margin-top:6px}.grid{display:block;overflow-x:auto}.chat>header .link{padding:6px}}