/* ── Reset & base ─────────────────────────────────────────────────────────── */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f0f2f5;--sidebar:#1e2a3a;--sidebar-hover:#2d3f52;--sidebar-active:#3a7bd5;
  --header:#fff;--card:#fff;--border:#dee2e6;--text:#333;--muted:#6c757d;
  --primary:#3a7bd5;--primary-d:#2c5fa8;--success:#28a745;--warning:#ffc107;
  --danger:#dc3545;--info:#17a2b8;--purple:#6f42c1;
  --radius:6px;--shadow:0 1px 4px rgba(0,0,0,.08);
}
body{font-family:'Segoe UI',system-ui,sans-serif;font-size:14px;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-d)}
input,select,textarea{font-family:inherit;font-size:inherit}

/* ── Admin layout ─────────────────────────────────────────────────────────── */
.admin-wrap{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{width:240px;background:var(--sidebar);color:#c8d4e0;flex-shrink:0;display:flex;flex-direction:column}
.sidebar-brand{padding:1.2rem 1.25rem;font-size:1.05rem;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:.5rem}
.sidebar-brand .icon{font-size:1.3rem}
.sidebar-nav{padding:.5rem 0;flex:1}
.sidebar-nav a{display:flex;align-items:center;gap:.6rem;padding:.6rem 1.25rem;color:#c8d4e0;transition:background .15s,color .15s;border-radius:0}
.sidebar-nav a:hover{background:var(--sidebar-hover);color:#fff}
.sidebar-nav a.active{background:var(--sidebar-active);color:#fff}
.sidebar-nav .icon{width:18px;text-align:center;opacity:.8}
.sidebar-nav .section-label{padding:.75rem 1.25rem .25rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.8px;color:#637a90;font-weight:600}
.sidebar-footer{padding:1rem 1.25rem;border-top:1px solid rgba(255,255,255,.08);font-size:.8rem;color:#637a90}

/* Main */
.main-wrap{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{background:var(--header);border-bottom:1px solid var(--border);padding:.75rem 1.5rem;display:flex;align-items:center;gap:1rem;box-shadow:var(--shadow)}
.topbar-title{font-size:1.05rem;font-weight:600;flex:1}
.topbar-actions{display:flex;gap:.5rem;align-items:center}
.content{padding:1.5rem;flex:1}

/* ── Components ───────────────────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.25rem}
.card-header{padding:.85rem 1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.75rem;font-weight:600}
.card-body{padding:1.25rem}
.card-body.no-pad{padding:0}

/* Stats cards */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.3rem}
.stat-num{font-size:1.8rem;font-weight:700;line-height:1}
.stat-label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.stat-card.primary .stat-num{color:var(--primary)}
.stat-card.warning .stat-num{color:#d68910}
.stat-card.success .stat-num{color:var(--success)}
.stat-card.info .stat-num{color:var(--info)}
.stat-card.danger .stat-num{color:var(--danger)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .9rem;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;font-size:.85rem;font-family:inherit;transition:all .15s;white-space:nowrap;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-d);color:#fff;border-color:var(--primary-d)}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}
.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn-warning{background:var(--warning);color:#212529;border-color:var(--warning)}
.btn-outline{background:#fff;color:var(--text);border-color:var(--border)}
.btn-outline:hover{background:var(--bg)}
.btn-sm{padding:.25rem .6rem;font-size:.78rem}
.btn-link{background:transparent;border:none;color:var(--primary);padding:.25rem .4rem}
.btn-link:hover{text-decoration:underline}

/* Table */
.table-wrap{overflow-x:auto}
table.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:.65rem 1rem;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
.data-table th{background:#f8f9fa;font-size:.78rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:600}
.data-table tr:last-child td{border-bottom:none}
.data-table tbody tr:hover{background:#fafbfc}
.data-table .actions{white-space:nowrap;display:flex;gap:.3rem}

/* Status badges */
.badge{display:inline-block;padding:.2rem .55rem;border-radius:20px;font-size:.73rem;font-weight:600}
.status-pending{background:#fff3cd;color:#856404}
.status-confirmed{background:#cfe2ff;color:#084298}
.status-checkin{background:#d1e7dd;color:#0f5132}
.status-checkout{background:#e2e3e5;color:#41464b}
.status-cancelled{background:#f8d7da;color:#842029}
.status-noshow{background:#e2e3e5;color:#41464b}

/* Forms */
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-weight:500;margin-bottom:.35rem;font-size:.85rem}
.form-group label .req{color:var(--danger);margin-left:.2rem}
.form-control{width:100%;padding:.45rem .75rem;border:1px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color .15s;background:#fff;color:var(--text)}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(58,123,213,.15)}
textarea.form-control{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}
.form-hint{font-size:.77rem;color:var(--muted);margin-top:.25rem}
.form-section{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:1.5rem 0 .75rem;padding-bottom:.4rem;border-bottom:1px solid var(--border)}

/* Alert */
.alert{padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem;border:1px solid transparent}
.alert-danger{background:#f8d7da;color:#842029;border-color:#f5c2c7}
.alert-success{background:#d1e7dd;color:#0f5132;border-color:#badbcc}

/* Calendar */
.calendar-wrap{overflow-x:auto}
.calendar-table{border-collapse:collapse;min-width:900px;width:100%}
.calendar-table th{padding:.4rem .3rem;font-size:.7rem;text-align:center;background:#f8f9fa;border:1px solid var(--border);color:var(--muted);font-weight:600;min-width:30px}
.calendar-table td{padding:0;border:1px solid var(--border);min-width:30px;height:32px;text-align:center;vertical-align:middle;font-size:.72rem;position:relative}
.calendar-table .room-label{background:#f8f9fa;font-weight:600;padding:.3rem .6rem;text-align:left;min-width:100px;white-space:nowrap}
.cal-free{background:#fff}
.cal-pending{background:#fff3cd;cursor:pointer}
.cal-confirmed{background:#cfe2ff;cursor:pointer}
.cal-checkin{background:#d1e7dd;cursor:pointer}
.cal-checkout{background:#e2e3e5;cursor:pointer}
.cal-blocked{background:#f0f0f0}
.cal-dot{font-size:.6rem;line-height:1}
.calendar-nav{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}
.calendar-nav .month-title{font-size:1rem;font-weight:600;flex:1;text-align:center}
.cal-legend{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.75rem;font-size:.78rem}
.cal-legend-item{display:flex;align-items:center;gap:.35rem}
.cal-legend-box{width:16px;height:16px;border-radius:3px;border:1px solid var(--border)}

/* Topbar filter */
.filter-bar{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem;align-items:center}
.filter-bar .label{font-size:.82rem;color:var(--muted)}
.filter-btn{padding:.3rem .8rem;border:1px solid var(--border);border-radius:20px;font-size:.8rem;background:#fff;color:var(--muted);cursor:pointer;transition:all .15s}
.filter-btn.active,.filter-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Login page */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e2a3a 0%,#2d4a6a 100%)}
.login-card{background:#fff;border-radius:10px;padding:2.5rem;width:100%;max-width:380px;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.login-logo{text-align:center;margin-bottom:2rem}
.login-logo h1{font-size:1.4rem;font-weight:700;color:var(--sidebar);margin-top:.5rem}
.login-logo p{font-size:.85rem;color:var(--muted)}

/* Frontend */
.front-header{background:linear-gradient(135deg,#1e4d8c,#2c7be5);color:#fff;padding:1.5rem 2rem}
.front-header h1{font-size:1.6rem;font-weight:700}
.front-content{max-width:960px;margin:2rem auto;padding:0 1rem}
.search-box{background:#fff;border-radius:10px;padding:1.5rem;box-shadow:0 2px 12px rgba(0,0,0,.1);margin-bottom:2rem}
.search-box h2{font-size:1.1rem;font-weight:600;margin-bottom:1rem}
.search-row{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-end}
.search-row .form-group{flex:1;min-width:140px;margin-bottom:0}
.room-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}
.room-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.08);transition:transform .2s}
.room-card:hover{transform:translateY(-2px)}
.room-card-body{padding:1.25rem}
.room-card h3{font-size:1rem;font-weight:600;margin-bottom:.4rem}
.room-card p{font-size:.85rem;color:var(--muted);margin-bottom:.75rem;line-height:1.5}
.room-card .price{font-size:1.1rem;font-weight:700;color:var(--primary);margin-bottom:.75rem}
.room-card .meta{display:flex;gap:.75rem;font-size:.8rem;color:var(--muted);margin-bottom:.75rem}
.room-card-placeholder{background:#f0f4f8;height:140px;display:flex;align-items:center;justify-content:center;color:#aab;font-size:2.5rem}

/* Confirmation */
.confirm-card{max-width:600px;margin:3rem auto;background:#fff;border-radius:10px;padding:2rem;box-shadow:0 4px 20px rgba(0,0,0,.1);text-align:center}
.confirm-icon{font-size:4rem;color:var(--success);margin-bottom:1rem}
.confirm-card h2{font-size:1.4rem;margin-bottom:.5rem}
.booking-details{background:#f8f9fa;border-radius:6px;padding:1.25rem;margin:1.5rem 0;text-align:left}
.booking-details .row{display:flex;justify-content:space-between;padding:.4rem 0;border-bottom:1px solid var(--border);font-size:.9rem}
.booking-details .row:last-child{border-bottom:none}

/* Responsive */
@media(max-width:768px){
  .sidebar{display:none}
  .form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}