:root{--bg: #f4f6f8;--panel: #ffffff;--ink: #1c2733;--ink-soft: #5a6b7b;--ink-faint: #5f6d7a;--line: #d8e0e8;--line-soft: #e8eef3;--brand: #0f6e8c;--brand-deep: #0b4f66;--brand-soft: #e2f1f6;--accent: #b7791f;--danger: #c0392b;--danger-soft: #fbeae8;--ok: #2f7d4f;--ok-soft: #e6f3ea;--warn: #8f5f14;--warn-soft: #fbf1de;--sidebar: #16303d;--sidebar-soft: #21414f;--radius: 3px;--shadow: 0 1px 2px rgba(16, 42, 56, .08), 0 8px 24px rgba(16, 42, 56, .06);font-synthesis:none}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Hiragino Sans GB,Source Han Sans SC,sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}button{font-family:inherit}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0f6e8ceb,#0b4f66f5),repeating-linear-gradient(45deg,#0d2b36 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.btn:hover{background:var(--sidebar-soft);color:#fff;border-color:#ffffff52}.gate-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0e222c99;display:grid;place-items:center;z-index:90;padding:24px}.gate-card{width:100%;max-width:380px;background:#fff;border-radius:var(--radius);border-top:3px solid var(--brand);box-shadow:0 24px 60px #091b2459;padding:26px 24px}.gate-title{font-size:17px;font-weight:700}.gate-text{color:var(--ink-soft);font-size:13.2px;line-height:1.7;margin:8px 0 18px}.composer-row textarea{flex:1}.msg .bubble{word-break:break-word}@media (max-width: 1180px){.supervisor{min-height:320px}.room-main{min-height:70vh}}