*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1e3a5f;
  --secondary: #c9a227;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.12);
}

body { font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 16px; }
.hidden { display: none !important; }

.install-banner {
  display: flex; align-items: center; gap: 8px; padding: 10px 16px;
  background: var(--primary); color: #fff; font-size: 14px;
}

header { background: var(--primary); color: #fff; position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 16px; height: 56px; max-width: 1200px; margin: auto; }
.header-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; }
#org-logo { height: 36px; width: auto; border-radius: 4px; }
nav { display: flex; gap: 4px; }
.nav-btn { background: none; border: none; color: rgba(255,255,255,.8); padding: 6px 12px; border-radius: var(--radius); cursor: pointer; font-size: 14px; transition: background .15s; }
.nav-btn:hover, .nav-btn.active { background: rgba(255,255,255,.15); color: #fff; }

#auth-section { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px 16px; }
.auth-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px 24px; width: 100%; max-width: 380px; }
.auth-card h1 { font-size: 22px; margin-bottom: 20px; color: var(--primary); }
.auth-card form { display: flex; flex-direction: column; gap: 12px; }
.auth-card input { padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 16px; width: 100%; }
.auth-links { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.auth-links a { color: var(--primary); text-decoration: none; }

.btn-primary { background: var(--primary); color: #fff; border: none; padding: 10px 20px; border-radius: var(--radius); font-size: 15px; cursor: pointer; transition: opacity .15s; }
.btn-primary:hover { opacity: .9; }
.btn-danger { background: var(--danger); color: #fff; border: none; padding: 10px 20px; border-radius: var(--radius); font-size: 15px; cursor: pointer; }
.btn-ghost { background: none; border: 1px solid var(--border); color: var(--text); padding: 8px 16px; border-radius: var(--radius); font-size: 14px; cursor: pointer; }
.btn-icon { background: none; border: 1px solid var(--border); color: var(--text); width: 36px; height: 36px; border-radius: var(--radius); font-size: 22px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.btn-sm { padding: 4px 10px; font-size: 13px; }

.error-msg { color: var(--danger); font-size: 13px; min-height: 18px; }
.success-msg { color: var(--success); font-size: 13px; }

/* Room filter */
.room-filter { display: flex; gap: 6px; padding: 8px 12px; background: var(--surface); border-bottom: 1px solid var(--border); flex-wrap: wrap; position: sticky; top: 56px; z-index: 60; }
.room-filter-btn { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border: 1px solid var(--border); border-radius: 20px; font-size: 13px; background: var(--bg); color: var(--text); cursor: pointer; white-space: nowrap; transition: background .15s, color .15s, border-color .15s; }
.room-filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.room-filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.room-color-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* Calendar */
.cal-toolbar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 99px; z-index: 50; }
#cal-new { margin-left: auto; }
.cal-label { font-weight: 600; font-size: 15px; flex: 1; text-align: center; }
.cal-scroll-wrap { overflow-x: auto; overflow-y: auto; max-height: calc(100vh - 120px); -webkit-overflow-scrolling: touch; }
.cal-grid { display: grid; grid-template-columns: 48px repeat(7, minmax(90px, 1fr)); min-width: 680px; position: relative; }
.cal-day-header { position: sticky; top: 0; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px 4px; text-align: center; font-size: 12px; color: var(--text-muted); }
.cal-day-header.today { color: var(--primary); font-weight: 700; }
.cal-time-label { font-size: 11px; color: var(--text-muted); text-align: right; padding-right: 6px; border-right: 1px solid var(--border); height: 16px; line-height: 16px; }
.cal-cell { border-right: 1px solid var(--border); border-bottom: 1px solid #f1f5f9; height: 16px; position: relative; cursor: pointer; }
.cal-cell:hover { background: #f1f5f9; }
.cal-cell.today-col { background: #eff6ff; }
.cal-event { position: absolute; left: 2px; right: 2px; border-radius: 4px; padding: 2px 4px; font-size: 11px; color: #fff; overflow: hidden; cursor: pointer; z-index: 10; box-shadow: 0 1px 2px rgba(0,0,0,.2); display: flex; flex-direction: column; }
.cal-event-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cal-event-name { font-size: 10px; opacity: 0.85; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.modal-box { position: relative; background: var(--surface); border-radius: var(--radius); padding: 24px; width: 100%; max-width: 440px; max-height: 90vh; overflow-y: auto; box-shadow: 0 8px 32px rgba(0,0,0,.2); }
.modal-box h2 { margin-bottom: 16px; color: var(--primary); }
.modal-box label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--text-muted); margin-bottom: 12px; }
.modal-box input, .modal-box select { padding: 9px 11px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 15px; width: 100%; }
.checkbox-row { flex-direction: row !important; align-items: center; gap: 8px; color: var(--text); cursor: pointer; }
.checkbox-row input { width: auto !important; }
#invite-lodge-display { font-size: 14px; color: var(--text-muted); padding: 8px 0; }
.booking-booker { font-size: 13px; color: var(--text-muted); padding: 6px 0 12px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.modal-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }

/* Admin */
#admin-section { max-width: 900px; margin: 24px auto; padding: 0 16px; }
.admin-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn { background: none; border: none; border-bottom: 3px solid transparent; padding: 10px 16px; font-size: 15px; cursor: pointer; color: var(--text-muted); margin-bottom: -1px; }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 16px; }
.admin-table th { text-align: left; padding: 8px 12px; background: var(--bg); border-bottom: 2px solid var(--border); color: var(--text-muted); }
.admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-form { display: flex; flex-direction: column; gap: 12px; max-width: 480px; margin-top: 16px; }
.admin-form label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--text-muted); }
.admin-form input, .admin-form select { padding: 9px 11px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 15px; }
.admin-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 12px; }
.badge-active { background: #dcfce7; color: #15803d; }
.badge-pending { background: #fef9c3; color: #a16207; }
.badge-inactive { background: #f1f5f9; color: #64748b; }
.color-swatch { display: inline-block; width: 14px; height: 14px; border-radius: 3px; vertical-align: middle; border: 1px solid var(--border); }

@media (max-width: 600px) {
  /* Header */
  .header-inner { padding: 0 10px; }
  .nav-btn { padding: 6px 8px; font-size: 13px; }

  /* Calendar grid — slimmer time col, narrower day cols */
  .cal-grid { grid-template-columns: 32px repeat(7, minmax(60px, 1fr)); }

  /* Events — slightly larger text for readability */
  .cal-event { font-size: 12px; }

  /* Scroll area — account for all 3 sticky bars (56 header + 43 filter + 48 toolbar + 3 buffer) */
  .cal-scroll-wrap { max-height: calc(100vh - 150px); }

  /* Room filter — single horizontal-scrolling row instead of wrapping */
  .room-filter { flex-wrap: nowrap; overflow-x: auto; }

  /* Modal — tighter outer padding so modal box fills more of narrow screen */
  .modal { padding: 8px; }
  .modal-box { padding: 16px; }

  /* Admin tabs — horizontal scroll so tables don't overflow viewport */
  #tab-rooms, #tab-lodges, #tab-users, #tab-branding { overflow-x: auto; }
}