:root{--accent: #4f46e5;--muted: #6b7280;--card: #ffffff;--bg: #f8fafc}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:#0f172a}.container{max-width:960px;margin:32px auto;padding:0 16px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.nav button{margin-left:8px;background:var(--accent);color:#fff;border:none;padding:8px 12px;border-radius:6px;cursor:pointer}.card{background:var(--card);border-radius:8px;padding:16px;box-shadow:0 6px 18px #0206170f;margin-bottom:16px}.field{display:flex;flex-direction:column;margin-bottom:12px}label{font-weight:600;margin-bottom:6px;color:var(--muted)}input,select,button,textarea{padding:8px 10px;border-radius:6px;border:1px solid #e6edf3;font-size:14px}.small{font-size:13px;color:var(--muted)}.room-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed #eef2f7}.room-row:last-child{border-bottom:none}.room-title{font-weight:700}.price{color:var(--muted)}.book-btn{background:var(--accent);color:#fff;border:none;padding:8px 10px;border-radius:6px;cursor:pointer}.cancel-btn{background:#ef4444;color:#fff;border:none;padding:6px 8px;border-radius:6px;cursor:pointer}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:8px;border-bottom:1px solid #f0f2f4}