:root{
  --bg:#0f172a; --panel:#1e293b; --line:#334155; --text:#e2e8f0; --muted:#94a3b8;
  --primary:#2563eb; --primary-h:#1d4ed8; --danger:#dc2626; --ok:#16a34a; --accent:#0ea5e9;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,'Segoe UI',Arial,sans-serif;background:#f1f5f9;color:#0f172a;line-height:1.5}

/* Topbar */
.topbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:var(--bg);color:#fff;padding:12px 20px}
.brand a{color:#fff;text-decoration:none;font-weight:700;font-size:18px}
.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav a{color:#cbd5e1;text-decoration:none;font-size:14px}
.nav a:hover{color:#fff}
.nav .who{color:#94a3b8;font-size:13px}
.nav .logout{color:#fca5a5}

.container{max-width:1000px;margin:24px auto;padding:0 16px}
h1{margin:.2em 0}
.lead{color:#475569;margin-top:0}
.muted{color:#64748b}
.req{color:#dc2626}
.hint{display:block;color:#64748b;font-size:12px;margin-top:4px}

/* Cards + forms */
.card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px;margin-bottom:24px;
  box-shadow:0 1px 2px rgba(0,0,0,.04)}
.form label{display:block;margin-bottom:14px;font-weight:600;font-size:14px}
.form input[type=text],.form input[type=email],.form input[type=password],
.form input[type=number],.form input[type=datetime-local],
.form select,.form textarea{
  width:100%;margin-top:5px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px;
  font-size:14px;font-weight:400;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.check{display:flex;align-items:center;gap:8px;font-weight:600}
.check input{width:auto;margin:0}
.actions{display:flex;gap:10px;margin-top:8px}
hr{border:none;border-top:1px solid #e2e8f0;margin:16px 0}

.hidden{display:none}

/* Buttons */
.btn{display:inline-block;padding:10px 16px;border:1px solid #cbd5e1;border-radius:8px;
  background:#fff;color:#0f172a;text-decoration:none;font-size:14px;cursor:pointer}
.btn:hover{background:#f8fafc}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-h)}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-danger:hover{filter:brightness(.92)}
.btn-sm{padding:5px 10px;font-size:13px}
.btn-block{width:100%}

/* Tables */
.table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.table th,.table td{border:1px solid #e2e8f0;padding:8px 10px;text-align:left}
.table th{background:#f8fafc}
.table-tight td{padding:4px 6px}
.row-actions{display:flex;gap:6px}

/* Flash */
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.flash-success{background:#dcfce7;color:#166534;border:1px solid #86efac}
.flash-error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}
.flash ul{margin:6px 0 0 18px}

/* Login */
.login-body{display:flex;min-height:100vh;align-items:center;justify-content:center;background:var(--bg)}
.login-card{background:#fff;padding:32px;border-radius:14px;width:360px;box-shadow:0 10px 40px rgba(0,0,0,.3)}
.login-card h1{margin:0;font-size:22px}
.login-card .sub{color:#64748b;margin:4px 0 18px}
.login-card label{display:block;margin-bottom:12px;font-weight:600;font-size:14px}
.login-card input{width:100%;margin-top:5px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px}

/* Tabs (settings) */
.tabs{display:flex;gap:10px;margin-bottom:16px}
.tab-link{padding:8px 14px;background:#e2e8f0;border-radius:8px;text-decoration:none;color:#0f172a;font-size:14px}
.tab-link:hover{background:#cbd5e1}

/* Lists grid */
.lists-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.list-box{border:1px solid #e2e8f0;border-radius:10px;padding:12px;background:#f8fafc}
.list-box h3{margin:.2em 0 .6em}
.inline-edit{display:flex;gap:6px;align-items:center}
.inline-edit input[type=text]{flex:1}
.sort-in{width:56px}
.add-option{display:flex;gap:6px;margin-top:8px}
.add-option input{flex:1;padding:8px;border:1px solid #cbd5e1;border-radius:8px}

/* Calendar */
.cal-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.cal-title{font-size:18px}
.cal-filter{margin-left:auto}
.cal-filter select{padding:8px;border:1px solid #cbd5e1;border-radius:8px}
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-head{font-weight:700;text-align:center;padding:6px;color:#475569;font-size:13px}
.cal-cell{min-height:96px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:6px}
.cal-cell.empty{background:transparent;border:none}
.cal-cell.today{outline:2px solid var(--accent)}
.cal-daynum{font-size:12px;color:#64748b;font-weight:700}
.cal-event{background:#dbeafe;border:1px solid #93c5fd;border-radius:6px;padding:3px 5px;
  margin-top:4px;font-size:11px;line-height:1.3}
.ev-time{font-weight:700;margin-right:3px}
.ev-eq{display:block;color:#0369a1}

/* Booking status badges */
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700}
.badge-active{background:#dcfce7;color:#166534}
.badge-cancel{background:#fee2e2;color:#991b1b}
.row-cancelled td{opacity:.6;text-decoration:line-through}
.row-cancelled td.row-actions{text-decoration:none}

/* SMTP test result */
.smtp-test{margin-top:10px;font-size:13px}

/* Sortable table headers */
.th-sort{padding:0}
.th-sort a{display:block;padding:8px 10px;color:#0f172a;text-decoration:none;white-space:nowrap}
.th-sort a:hover{background:#eef2ff}
.th-active a{color:#2563eb}

/* List meta (range + per-page) */
.list-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:6px 0 12px}
.perpage select{margin-left:6px;padding:4px 8px;border:1px solid #cbd5e1;border-radius:6px;font-size:13px}

/* Pagination */
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px;align-items:center}
.page-link{display:inline-block;padding:6px 12px;border:1px solid #cbd5e1;border-radius:8px;
  background:#fff;color:#0f172a;text-decoration:none;font-size:14px}
.page-link:hover{background:#f8fafc}
.page-link.current{background:#2563eb;border-color:#2563eb;color:#fff;font-weight:700}
.page-link.disabled{color:#cbd5e1;pointer-events:none;background:#f8fafc}
.page-ellipsis{padding:6px 4px;color:#94a3b8}

/* Quick date-range presets */
.quick-dates{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.quick-dates .qd-label{font-size:13px;color:#64748b;font-weight:600;margin-right:2px}
.quick-dates .qd-active{background:#0ea5e9;border-color:#0ea5e9;color:#fff;font-weight:700}
.quick-dates .qd-clear{color:#991b1b;border-color:#fca5a5}
.quick-dates .qd-clear:hover{background:#fee2e2}

/* Bookings filter bar */
.filter-bar{padding:14px 16px;margin-bottom:16px}
.filter-grid{display:grid;grid-template-columns:2fr 1.2fr 1fr 1fr auto;gap:12px;align-items:end}
.filter-grid label{margin:0;font-size:13px;font-weight:600}
.filter-grid input,.filter-grid select{width:100%;margin-top:4px;padding:8px 10px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px}
.filter-actions{display:flex;gap:6px}

@media(max-width:760px){
  .grid-2,.grid-3,.lists-grid,.filter-grid{grid-template-columns:1fr}
  .calendar{font-size:10px}
  .cal-cell{min-height:70px}
}