:root{--bg: #f4f5f7;--surface: #ffffff;--surface-muted: #f8f9fb;--border: #e3e5ea;--text: #1a1d23;--text-muted: #667085;--accent: #4f46e5;--accent-hover: #4338ca;--danger: #dc2626;--danger-bg: #fef2f2;--free: #1a8a5f;--free-bg: #e8f6f0;--occupied: #c2410c;--occupied-bg: #fdf1e8;--hall: #7c3aed;--hall-bg: #f2edfd;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}button{cursor:pointer;font-family:inherit;font-size:14px}input,select,textarea{font-family:inherit;font-size:14px}.workspace{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;background:var(--surface);border-bottom:1px solid 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