:root{--green:#2f8f5b;--green-dark:#237046;--bg:#f4f6f3;--panel:#fff;--chat-bg:#dfe9e2;--line:#e2e6e1;--ink:#1b2620;--muted:#6b7770;--bubble:#fff;--bubble-mine:#fef01b;--bubble-mine-ink:#1b2620;--danger:#d33b3b;--hover:#f0f3ef;--on:#e6f1ea;--shadow:0 8px 28px #00000029;--radius:14px;--side-w:360px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#121614;--panel:#1a201d;--chat-bg:#161c19;--line:#2a322e;--ink:#e8ece9;--muted:#93a099;--bubble:#26302b;--bubble-mine:#3c8a5f;--bubble-mine-ink:#fff;--hover:#222a26;--on:#233129;--shadow:0 8px 28px #00000080;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;font-family:Pretendard,Apple SD Gothic Neo,Malgun 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0;border:0;border-radius:50%;place-items:center;display:inline-grid}.icon-btn:hover{background:var(--hover)}input:not([type=checkbox]),textarea{border:1px solid var(--line);background:var(--panel);border-radius:10px;outline:none;width:100%;padding:10px 12px}input:focus,textarea:focus{border-color:var(--green)}.form-error{color:var(--danger);margin:4px 0;font-size:.9em}.splash{place-items:center;height:100%;display:grid}.auth{place-items:center;min-height:100%;padding:24px 16px;display:grid}.auth-card{background:var(--panel);width:100%;max-width:380px;box-shadow:var(--shadow);border-radius:20px;flex-direction:column;gap:12px;padding:28px 22px;display:flex}.auth-card h1{text-align:center;margin:0}.auth-card>p{text-align:center;margin:0 0 6px}.auth-card label{flex-direction:column;gap:6px;font-size:.92em;font-weight:600;display:flex}.auth-logo{border-radius:18px;align-self:center}.shell{grid-template-columns:var(--side-w) 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5px;font-size:.85em;position:absolute;top:4px;left:calc(50% + 6px)}.room-list{margin:0;padding:0;list-style:none}.room-item{text-align:left;background:0 0;border:0;align-items:center;gap:12px;width:100%;padding:10px 16px;display:flex}.room-item:hover{background:var(--hover)}.room-item.on{background:var(--on)}.room-main{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.room-top,.room-bottom{align-items:center;gap:6px;min-width:0;display:flex}.room-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.room-count{color:var(--muted);font-size:.85em}.room-time{color:var(--muted);flex-shrink:0;font-size:.75em}.room-preview{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:.88em;overflow:hidden}.badge{background:var(--danger);color:#fff;text-align:center;border-radius:99px;min-width:20px;padding:2px 6px;font-size:.75em}.empty{text-align:center;color:var(--muted);flex-direction:column;align-items:center;gap:12px;padding:40px 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