:root{--bg: #f6f7f9;--card: #fff;--text: #1d2330;--muted: #687083;--line: #e2e5ea;--primary: #2459d6;--primary-text: #fff;--danger: #c4372f;--free: #f9fafb;--busy: #e6efff;--busy-line: #9db8f0;--off: #fdecea;--off-line: #f0a39d;--sub: #fff4dc;--sub-line: #f0c46c;--roombusy: #ececec;--ok: #e3f6e8;--ok-text: #1d7a3a;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:var(--primary)}h2{margin:0;font-size:20px}h3{margin:0 0 8px;font-size:16px}h4{margin:16px 0 8px;font-size:14px}.muted{color:var(--muted)}.small{font-size:12px}.pad{padding:16px}.nowrap{white-space:nowrap}.warn-text{color:#a06200;font-weight:600}button{font:inherit;padding:6px 12px;border-radius:6px;border:1px solid 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