:root{--bg: #f4f3f0;--panel: #ffffff;--ink: #1c1c1e;--ink2: #6b6b70;--ink3: #9a9aa0;--hair: #e4e2dd;--accent: #0d7d74;--accent-ink: #ffffff;--mine: #0d7d74;--mine-ink: #ffffff;--theirs: #ffffff;--theirs-ink: #1c1c1e;--bad: #c0392b;--badge: #e5484d;--mention: #e8a317;--sel: #e9f4f2;--shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 4px 16px rgb(0 0 0 / 5%);--r: 18px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Noto Sans TC,PingFang TC,sans-serif;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}@media (prefers-color-scheme: dark){:root{--bg: #111113;--panel: #1c1c1f;--ink: #f2f2f4;--ink2: #a0a0a8;--ink3: #6e6e76;--hair: #2c2c31;--accent: #2bb3a6;--accent-ink: #0b1514;--mine: #1f8f85;--mine-ink: #ffffff;--theirs: #26262b;--theirs-ink: #f2f2f4;--sel: #1d2b2a;--shadow: 0 1px 2px rgb(0 0 0 / 40%)}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);overscroll-behavior:none}button{font:inherit;color:inherit;cursor:pointer}input,textarea{font:inherit;color:var(--ink)}.app{display:flex;height:100dvh;max-width:1280px;margin:0 auto;background:var(--panel)}.list-pane{width:100%;display:flex;flex-direction:column;border-right:1px solid var(--hair);min-width:0}.room-pane{display:none;flex:1;flex-direction:column;min-width:0;background:var(--bg)}.app.has-room .list-pane{display:none}.app.has-room .room-pane{display:flex}@media (min-width: 860px){.list-pane{width:340px;flex:none}.app .list-pane,.app.has-room .list-pane,.room-pane{display:flex}.back{display:none!important}}.bar{display:flex;align-items:center;gap:10px;padding:12px 14px;padding-top:max(12px,env(safe-area-inset-top));border-bottom:1px solid var(--hair);background:var(--panel);min-height:56px}.bar h1{font-size:20px;margin:0;flex:1;font-weight:700;letter-spacing:-.01em}.bar h2{font-size:17px;margin:0;font-weight:600;line-height:1.2}.bar .sub{font-size:12px;color:var(--ink2)}.bar .grow{flex:1;min-width:0}.icon-btn{border:0;background:transparent;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:20px;color:var(--accent)}.icon-btn:hover{background:var(--sel)}.dot{width:8px;height:8px;border-radius:50%;background:var(--ink3);display:inline-block}.dot.live{background:#2fb36b}.search{margin:10px 14px;padding:9px 12px;border-radius:12px;border:1px solid var(--hair);background:var(--bg);width:calc(100% - 28px);outline:none}.rooms{overflow-y:auto;flex:1}.room-row{display:flex;gap:12px;align-items:center;width:100%;padding:10px 14px;border:0;background:transparent;text-align:left;border-bottom:1px solid var(--hair)}.room-row:hover,.room-row.sel{background:var(--sel)}.avatar{width:44px;height:44px;border-radius:14px;flex:none;display:grid;place-items:center;font-weight:700;font-size:16px;color:#fff}.room-row .mid{flex:1;min-width:0}.room-row .top{display:flex;gap:8px;align-items:baseline}.room-row .title{font-weight:600;font-size:15px;flex:1;min-width:0;overflow-wrap:anywhere}.room-row .time{font-size:12px;color:var(--ink3);flex:none}.room-row .preview{font-size:13px;color:var(--ink2);overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.badge{min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--badge);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;flex:none}.badge.muted{background:var(--ink3)}.at{color:var(--mention);font-weight:700}.empty{color:var(--ink2);text-align:center;padding:40px 20px;font-size:14px}.msgs{flex:1;overflow-y:auto;padding:12px 12px 4px;display:flex;flex-direction:column;gap:4px}.day{align-self:center;font-size:12px;color:var(--ink2);background:var(--panel);padding:3px 10px;border-radius:10px;margin:10px 0 6px;box-shadow:var(--shadow)}.sys{align-self:center;font-size:12px;color:var(--ink2);padding:2px 10px;text-align:center;max-width:85%}.line{display:flex;flex-direction:column;max-width:min(78%,560px)}.line.mine{align-self:flex-end;align-items:flex-end}.line.theirs{align-self:flex-start;align-items:flex-start}.who{font-size:12px;color:var(--ink2);margin:6px 0 2px 10px}.bubble{padding:9px 12px;border-radius:var(--r);font-size:15px;line-height:1.38;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:var(--shadow)}.mine .bubble{background:var(--mine);color:var(--mine-ink);border-bottom-right-radius:6px}.theirs .bubble{background:var(--theirs);color:var(--theirs-ink);border-bottom-left-radius:6px}.bubble.recalled{background:transparent!important;color:var(--ink2)!important;box-shadow:none;font-style:italic;border:1px dashed var(--hair)}.bubble .original{display:block;font-style:normal;font-size:12px;color:var(--ink3);margin-top:4px;text-decoration:line-through}.bubble .mention{font-weight:700}.meta{font-size:11px;color:var(--ink3);margin:2px 8px 4px;display:flex;gap:6px;align-items:center}.meta .read{color:var(--accent);background:none;border:0;padding:0;font-size:11px}.meta .fail{color:var(--bad);background:none;border:0;padding:0;font-size:11px;text-decoration:underline}.file-card{display:flex;gap:10px;align-items:center;text-decoration:none;color:inherit;min-width:200px}.file-card .ext{width:40px;height:40px;border-radius:10px;background:#ffffff2e;display:grid;place-items:center;font-size:11px;font-weight:800;text-transform:uppercase;flex:none}.theirs .file-card .ext{background:var(--sel);color:var(--accent)}.file-card .name{font-weight:600;font-size:14px;overflow-wrap:anywhere}.file-card .size{font-size:12px;opacity:.75}.pic{display:block;max-width:min(320px,70vw);max-height:360px;border-radius:14px;box-shadow:var(--shadow);background:var(--hair)}video.pic{max-width:min(360px,75vw)}.older{align-self:center;border:0;background:var(--panel);color:var(--accent);padding:6px 14px;border-radius:14px;font-size:13px;box-shadow:var(--shadow);margin:6px 0}.composer{display:flex;gap:8px;align-items:flex-end;padding:8px 10px;padding-bottom:max(8px,env(safe-area-inset-bottom));background:var(--panel);border-top:1px solid var(--hair);position:relative}.composer textarea{flex:1;resize:none;border:1px solid var(--hair);border-radius:20px;padding:9px 14px;max-height:160px;min-height:40px;height:40px;background:var(--bg);outline:none;line-height:1.35}.send{border:0;background:var(--accent);color:var(--accent-ink);border-radius:20px;height:40px;padding:0 16px;font-weight:700}.send:disabled{opacity:.4}.picker{position:absolute;bottom:58px;left:10px;right:10px;max-height:240px;overflow-y:auto;background:var(--panel);border:1px solid var(--hair);border-radius:14px;box-shadow:var(--shadow)}.picker button{display:block;width:100%;border:0;background:transparent;text-align:left;padding:10px 14px}.picker button:hover,.picker button.on{background:var(--sel)}.uploads{padding:4px 14px;font-size:12px;color:var(--ink2);background:var(--panel)}.readonly{padding:12px;text-align:center;font-size:13px;color:var(--ink2);background:var(--panel);border-top:1px solid var(--hair)}.sheet-bg{position:fixed;inset:0;background:#00000059;display:grid;place-items:end center;z-index:10}@media (min-width: 860px){.sheet-bg{place-items:center}}.sheet{background:var(--panel);width:min(520px,100%);max-height:86dvh;border-radius:22px 22px 0 0;display:flex;flex-direction:column;overflow:hidden}@media (min-width: 860px){.sheet{border-radius:22px}}.sheet .body{overflow-y:auto;padding:4px 0 12px}.person{display:flex;gap:12px;align-items:center;width:100%;padding:10px 16px;border:0;background:transparent;text-align:left}.person:hover{background:var(--sel)}.person .check{margin-left:auto;color:var(--accent);font-weight:800}.field{margin:10px 16px;padding:10px 12px;border:1px solid var(--hair);border-radius:12px;background:var(--bg);width:calc(100% - 32px);outline:none}.primary{margin:8px 16px 16px;border:0;background:var(--accent);color:var(--accent-ink);border-radius:14px;height:46px;font-weight:700;width:calc(100% - 32px)}.primary:disabled{opacity:.45}.err{color:var(--bad);font-size:13px;margin:6px 16px}.menu{position:fixed;z-index:20;background:var(--panel);border:1px solid var(--hair);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.menu button{display:block;width:100%;border:0;background:transparent;padding:10px 18px;text-align:left}.menu button:hover{background:var(--sel)}.login{min-height:100dvh;display:grid;place-items:center;padding:20px;background:var(--bg)}.login form{width:min(380px,100%);background:var(--panel);border-radius:24px;padding:28px 8px 12px;box-shadow:var(--shadow)}.login h1{margin:0 16px 4px;font-size:24px}.login p{margin:0 16px 14px;color:var(--ink2);font-size:14px}.login .note{font-size:12px;color:var(--ink3);margin:0 16px 10px}.banner{margin:10px 14px 0;padding:10px 12px;border-radius:14px;background:var(--sel);font-size:13px;color:var(--ink);display:flex;flex-wrap:wrap;gap:8px;align-items:center}.chip{border:0;background:var(--accent);color:var(--accent-ink);border-radius:12px;padding:7px 12px;font-weight:700;font-size:13px}.chip:disabled{opacity:.5}.markup{width:min(920px,100%)}.markup-stage{flex:1;min-height:0;overflow:auto;display:grid;place-items:center;background:#111;padding:8px}.markup-stage canvas{max-width:100%;max-height:70dvh;touch-action:none;cursor:crosshair;border-radius:8px}.swatch{width:26px;height:26px;border-radius:50%;border:2px solid var(--hair);padding:0}.swatch.on{outline:3px solid var(--accent);outline-offset:1px}