/* ============================================================
   APPL Meeting Room — Corporate Admin Portal
   Design: Microsoft 365 / Linear / Notion inspired
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Brand Palette */
  --brand-primary:   #0f52ba;
  --brand-dark:      #0a3a8a;
  --brand-light:     #e8f0fe;
  --brand-accent:    #2563eb;

  /* Neutrals */
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Semantic */
  --success:      #16a34a;
  --success-bg:   #f0fdf4;
  --success-border:#bbf7d0;
  --danger:       #dc2626;
  --danger-bg:    #fef2f2;
  --danger-border:#fecaca;
  --warning:      #d97706;
  --warning-bg:   #fffbeb;
  --info:         #0284c7;
  --info-bg:      #f0f9ff;

  /* Layout */
  --sidebar-width: 240px;
  --topbar-height: 60px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
  --transition: all .18s ease;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 99px; }

/* ============================================================
   LAYOUT SHELL
   ============================================================ */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--gray-900);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: var(--transition);
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  text-decoration: none;
}

.sidebar-logo img {
  height: 48px;
  width: auto;
  background: white;
  padding: 5px 8px;
  border-radius: 8px;
  flex-shrink: 0;
  object-fit: contain;
}

.sidebar-logo-text {
  font-size: .88rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.sidebar-section-label {
  font-size: .62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-500);
  padding: 20px 18px 6px;
}

.sidebar-nav { flex: 1; padding: 8px 10px; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--gray-400);
  font-size: .86rem;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
}

.sidebar-nav a:hover {
  background: rgba(255,255,255,.07);
  color: #fff;
}

.sidebar-nav a.active {
  background: var(--brand-accent);
  color: #fff;
}

.sidebar-nav a i {
  width: 18px;
  text-align: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--gray-400);
  font-size: .8rem;
  transition: var(--transition);
}

.sidebar-user:hover { background: rgba(255,255,255,.07); color: #fff; }

.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--brand-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Main content area ──────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-height);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-title i { color: var(--brand-primary); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Page body ──────────────────────────────────────────────── */
.page-body {
  padding: 28px 32px;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header-left h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -.02em;
}

.page-header-left p {
  color: var(--gray-500);
  font-size: .85rem;
  margin-top: 2px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .84rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}
.btn-secondary:hover { background: var(--gray-200); color: var(--gray-800); }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #15803d; color: #fff; }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid #fde68a;
}
.btn-warning:hover { background: var(--warning); color: #fff; }

.btn-sm { padding: 5px 11px; font-size: .78rem; }
.btn-lg { padding: 12px 24px; font-size: .95rem; }
.btn-icon { padding: 7px 9px; }

/* ── Logout button (legacy compat) ─────────────────────────── */
.logout-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .83rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}
.logout-btn:hover { background: var(--gray-200); color: var(--gray-800); }

/* ============================================================
   CARDS & STATS
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand-primary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.card-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--brand-light);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.card h3 {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gray-500);
  margin-bottom: 6px;
}

.card p, .card .card-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
  letter-spacing: -.03em;
}

.card .card-sub {
  font-size: .75rem;
  color: var(--gray-400);
  margin-top: 4px;
}

.card-success::before { background: var(--success); }
.card-success .card-icon { background: var(--success-bg); color: var(--success); }

.card-warning::before { background: var(--warning); }
.card-warning .card-icon { background: var(--warning-bg); color: var(--warning); }

.card-info::before { background: var(--info); }
.card-info .card-icon { background: var(--info-bg); color: var(--info); }

/* ============================================================
   TABLES
   ============================================================ */
.table-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
}

.table-card-header h2 {
  font-size: .95rem;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}

.table th {
  padding: 11px 16px;
  text-align: left;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gray-500);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }

.table tbody tr { transition: background .12s; }
.table tbody tr:hover td { background: var(--gray-50); }

/* ── Status badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger);  border: 1px solid var(--danger-border); }
.badge-gray    { background: var(--gray-100);   color: var(--gray-500); border: 1px solid var(--gray-200); }
.badge-info    { background: var(--info-bg);    color: var(--info);    border: 1px solid #bae6fd; }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid #fde68a; }
.badge-primary { background: var(--brand-light);color: var(--brand-primary); border: 1px solid #bfdbfe; }
.badge-my      { background: #dbeafe; color: #1d4ed8; border: 1px solid #93c5fd; }

/* ── Action link cluster ────────────────────────────────────── */
.action-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  font-size: .77rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid transparent;
}

.action-link-edit   { color: var(--brand-primary); background: var(--brand-light); border-color: #bfdbfe; }
.action-link-edit:hover { background: var(--brand-primary); color: #fff; }

.action-link-toggle { color: var(--warning); background: var(--warning-bg); border-color: #fde68a; }
.action-link-toggle:hover { background: var(--warning); color: #fff; }

.action-link-delete { color: var(--danger); background: var(--danger-bg); border-color: var(--danger-border); }
.action-link-delete:hover { background: var(--danger); color: #fff; }

.action-link-cancel { color: var(--danger); background: var(--danger-bg); border-color: var(--danger-border); }
.action-link-cancel:hover { background: var(--danger); color: #fff; }

/* ============================================================
   FORMS
   ============================================================ */
.form-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  max-width: 560px;
}

.form-card-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--gray-200);
}

.form-card-header h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-card-body { padding: 24px; }

.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  letter-spacing: .01em;
}

.form-control,
.form-select {
  width: 100%;
  padding: 9px 12px;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .85rem;
  color: var(--gray-800);
  font-family: inherit;
  transition: var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
  padding-right: 36px;
}

.form-readonly {
  background: var(--gray-100);
  color: var(--gray-500);
  cursor: not-allowed;
}

.form-hint {
  font-size: .75rem;
  color: var(--gray-400);
  margin-top: 4px;
}

.form-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 6px;
}

/* ── Legacy form-container compat ───────────────────────────── */
.form-container {
  max-width: 560px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.form-container label,
.form-container p { /* treat <p> as label in add-user */
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 5px;
  margin-top: 14px;
}

.form-container input[type="text"],
.form-container input[type="email"],
.form-container input[type="password"],
.form-container input[type="number"],
.form-container input[type="date"],
.form-container input[type="time"],
.form-container select,
.form-container textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .85rem;
  color: var(--gray-800);
  font-family: inherit;
  transition: var(--transition);
  outline: none;
  margin-bottom: 2px;
}

.form-container input:focus,
.form-container select:focus,
.form-container textarea:focus {
  border-color: var(--brand-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-container button[type="submit"] {
  margin-top: 18px;
  padding: 10px 22px;
  background: var(--brand-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.form-container button[type="submit"]:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   ALERTS / MESSAGES
   ============================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 18px;
}

.alert i { margin-top: 1px; flex-shrink: 0; }

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  border: 1px solid var(--danger-border); }
.alert-info    { background: var(--info-bg);    color: var(--info);    border: 1px solid #bae6fd; }

/* Legacy .success / .error classes */
.success {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.error {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 16px;
}

/* ============================================================
   ROOM CALENDAR
   ============================================================ */
.calendar-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
  flex-wrap: wrap;
  gap: 12px;
}

.calendar-date-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

.calendar-date-form input[type="date"] {
  padding: 7px 11px;
  background: #fff;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .84rem;
  color: var(--gray-800);
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}
.calendar-date-form input[type="date"]:focus { border-color: var(--brand-accent); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

.calendar-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .75rem;
  color: var(--gray-600);
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}

.calendar-overflow { overflow-x: auto; }

.calendar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
  min-width: 600px;
}

.calendar-table th {
  padding: 10px 14px;
  text-align: center;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gray-500);
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

.calendar-table th:first-child {
  text-align: left;
  width: 68px;
  border-right: 1px solid var(--gray-200);
}

.calendar-table td {
  padding: 0;
  border-bottom: 1px solid var(--gray-100);
  border-right: 1px solid var(--gray-100);
  vertical-align: middle;
}

.calendar-table td:first-child {
  padding: 8px 12px;
  font-weight: 600;
  color: var(--gray-600);
  font-size: .78rem;
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
  text-align: center;
  white-space: nowrap;
}

.slot-free, .slot-booked, .slot-mine {
  display: block;
  width: 100%;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .74rem;
  font-weight: 500;
  transition: background .12s;
  text-decoration: none;
  cursor: pointer;
}

.slot-free {
  background: var(--success-bg);
  color: var(--success);
}
.slot-free:hover {
  background: #dcfce7;
  color: var(--success);
  text-decoration: none;
}

.slot-booked {
  background: var(--danger-bg);
  color: var(--danger);
  cursor: default;
  font-size: .72rem;
}

.slot-mine {
  background: #dbeafe;
  color: #1d4ed8;
  cursor: default;
  font-size: .72rem;
}

/* ============================================================
   QUICK ACTIONS
   ============================================================ */
.quick-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  background: linear-gradient(135deg, #0f172a 0%, #0f52ba 60%, #1e40af 100%);
}

.login-left {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  top: -100px; left: -100px;
}

.login-left::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,.03);
  bottom: -80px; right: -80px;
}

.login-left-content {
  position: relative;
  z-index: 1;
  max-width: 420px;
  color: white;
}

.login-left-content img {
  height: 72px;
  width: auto;
  background: white;
  padding: 8px 14px;
  border-radius: 10px;
  margin-bottom: 28px;
  object-fit: contain;
}

.login-left-content h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -.03em;
}

.login-left-content p {
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  line-height: 1.7;
}

.login-feature-list {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.8);
  font-size: .85rem;
}

.login-feature-list li i {
  width: 28px; height: 28px;
  background: rgba(255,255,255,.12);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
}

.login-right {
  width: 420px;
  flex-shrink: 0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
}

.login-box {
  width: 100%;
  max-width: 340px;
}

.login-box h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
  letter-spacing: -.02em;
}

.login-box .login-sub {
  color: var(--gray-500);
  font-size: .85rem;
  margin-bottom: 28px;
}

.login-box .form-group { margin-bottom: 16px; }

.login-box .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 11px;
  font-size: .9rem;
  font-weight: 600;
  margin-top: 8px;
  border-radius: var(--radius-sm);
}

/* ── Legacy single-column login (fallback) ──────────────────── */
body.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #0f52ba 100%);
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  height: 1px;
  background: var(--gray-200);
  margin: 24px 0;
}

/* ============================================================
   SECTION LABEL
   ============================================================ */
.section-label {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--gray-400);
  margin-bottom: 8px;
}

/* ============================================================
   MOBILE SIDEBAR TOGGLE
   ============================================================ */
.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--gray-600);
  cursor: pointer;
  padding: 4px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* ============================================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 99;
    backdrop-filter: blur(2px);
  }
  .sidebar-backdrop.open { display: block; }
  .page-body { padding: 20px 18px; }
  .cards { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  html { font-size: 14px; }

  /* Login */
  .login-left  { display: none; }
  .login-right { width: 100%; padding: 36px 24px; }
  .login-box h2 { font-size: 1.3rem; }

  /* Layout */
  .page-body { padding: 14px; }
  .topbar    { padding: 0 14px; }
  .topbar-title { font-size: .88rem; }

  /* Page header stacks */
  .page-header { flex-direction: column; align-items: stretch; gap: 10px; }
  .page-header .btn { justify-content: center; }

  /* Cards — 2 col on mobile */
  .cards { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 18px; }
  .card  { padding: 14px; }
  .card-val { font-size: 1.4rem; }
  .card-ic  { width: 30px; height: 30px; font-size: .85rem; }

  /* Quick actions */
  .quick-actions { flex-direction: column; gap: 8px; }
  .quick-actions .btn { justify-content: center; width: 100%; }

  /* Table — horizontal scroll with sticky first col */
  .table-card { border-radius: var(--radius-sm); }
  .table th, .table td { padding: 9px 10px; font-size: .76rem; }
  .table th:first-child,
  .table td:first-child {
    position: sticky;
    left: 0;
    background: #fff;
    z-index: 1;
    border-right: 1px solid var(--gray-200);
  }
  .table th:first-child { background: var(--gray-50); }

  /* Forms */
  .form-card    { max-width: 100%; }
  .form-card-body { padding: 16px; }
  .form-card-header { padding: 14px 16px; }
  .settings-grid,
  [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* Profile grid */
  .profile-grid { grid-template-columns: 1fr !important; }

  /* Calendar */
  .calendar-header { flex-direction: column; align-items: stretch; gap: 10px; }
  .calendar-date-form { flex-wrap: wrap; }
  .calendar-legend { flex-wrap: wrap; gap: 8px; }

  /* Topbar date — hide on small screens */
  .topbar-date { display: none; }

  /* Buttons */
  .btn-lg { padding: 10px 18px; font-size: .88rem; }

  /* Table card header */
  .table-card-header { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }

  /* Action links — icon only on tiny screens */
  .action-link span { display: none; }

  /* My profile account details 3-col → 1-col */
  [style*="grid-template-columns:repeat(3,1fr)"] {
    grid-template-columns: 1fr 1fr !important;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ============================================================ */
@media (max-width: 480px) {
  html { font-size: 13px; }

  /* Single column cards */
  .cards { grid-template-columns: 1fr; }

  /* Full width form footer buttons */
  .form-footer { flex-direction: column; }
  .form-footer .btn { justify-content: center; width: 100%; }

  /* Login box tighter */
  .login-right { padding: 28px 18px; }

  /* Page header title smaller */
  .page-header-left h1 { font-size: 1.1rem; }

  /* Topbar */
  .topbar { height: 50px; }
  .topbar-title i { display: none; }

  /* Badge text — keep short */
  .badge { font-size: .65rem; padding: 2px 7px; }

  /* Table action links — icons only */
  .action-link { padding: 4px 7px; }
  .al-label { display: none; }

  /* Profile header */
  .profile-header-card { flex-direction: column; align-items: flex-start; }

  /* Account details grid */
  [style*="grid-template-columns:repeat(3,1fr)"] {
    grid-template-columns: 1fr !important;
  }
  [style*="grid-template-columns:repeat(3,1fr)"] > div {
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-100);
  }

  /* Calendar slot height */
  .slot-free, .slot-booked, .slot-mine { height: 36px; font-size: .68rem; }

  /* Sidebar logo */
  .sidebar-logo { padding: 12px 14px; }
  .sidebar-logo img { height: 38px; }
}

/* ============================================================
   TOUCH OPTIMIZATIONS
   ============================================================ */
@media (hover: none) and (pointer: coarse) {
  /* Bigger tap targets */
  .btn   { min-height: 40px; }
  .btn-sm { min-height: 34px; }
  .form-control,
  .form-select { min-height: 42px; font-size: 16px; } /* 16px prevents iOS zoom */
  .slot-free, .slot-booked, .slot-mine { min-height: 44px; }
  .action-link { min-height: 32px; padding: 5px 10px; }
  .sidebar-nav a { min-height: 44px; }

  /* Remove hover states that look broken on touch */
  .card:hover { transform: none; box-shadow: var(--shadow-sm); }
}



/* ============================================================
   UTILITY
   ============================================================ */
.text-muted { color: var(--gray-400); font-size: .8rem; }
.text-sm    { font-size: .82rem; }
.fw-semibold { font-weight: 600; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.d-none { display: none; }

/* Fade-in animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn .3s ease forwards; }

/* ============================================================
   NOTIFICATION BELL (topbar)
   ============================================================ */
.notif-bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  color: var(--gray-500);
  text-decoration: none;
  font-size: 1.05rem;
  transition: var(--transition);
}
.notif-bell:hover { background: var(--gray-100); color: var(--gray-800); }
.notif-badge {
  position: absolute;
  top: 3px; right: 3px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 1.5px solid #fff;
}

/* ============================================================
   ANNOUNCEMENT BANNER (dashboard)
   ============================================================ */
.ann-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border-width: 1.5px;
  border-style: solid;
}
.ann-banner-info    { background: #f0f9ff; border-color: #bae6fd; color: #0284c7; }
.ann-banner-success { background: #f0fdf4; border-color: #bbf7d0; color: #16a34a; }
.ann-banner-warning { background: #fffbeb; border-color: #fde68a; color: #d97706; }
.ann-banner-danger  { background: #fef2f2; border-color: #fecaca; color: #dc2626; }