/* ========================================================
   Dia Park Premier - Restaurant Booking Admin Dashboard
   ======================================================== */

:root {
  --admin-primary: #a31d1d;
  --admin-primary-dark: #7a1515;
  --admin-navy: #1a1a2e;
  --admin-gold: #c5a059;
  --admin-bg: #f3f4f6;
  --admin-card: #ffffff;
  --admin-text: #1f2937;
  --admin-muted: #6b7280;
  --admin-border: #e5e7eb;
  --admin-success: #10b981;
  --admin-warning: #f59e0b;
  --admin-danger: #ef4444;
  --admin-info: #3b82f6;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.5;
  font-size: 14px;
}

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

/* Sidebar */
.admin-sidebar {
  width: 250px;
  background: var(--admin-navy);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.sidebar-brand h2 {
  font-size: 18px;
  color: var(--admin-gold);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.sidebar-brand span {
  font-size: 11px;
  color: #9ca3af;
  text-transform: uppercase;
}

.sidebar-menu {
  list-style: none;
  padding: 15px 0;
  flex: 1;
}

.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: #d1d5db;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
  background: rgba(255,255,255,0.08);
  color: #ffffff;
  border-left-color: var(--admin-gold);
}

.sidebar-user {
  padding: 18px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info .user-name {
  font-weight: 600;
  font-size: 13px;
  color: #fff;
}

.user-info .user-role {
  font-size: 11px;
  color: var(--admin-gold);
}

.logout-link {
  color: #ef4444;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
}

/* Main Content Area */
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.admin-topbar {
  background: #ffffff;
  padding: 15px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--admin-border);
}

.admin-topbar h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--admin-navy);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.topbar-user-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f1f5f9;
  color: #334155;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid #cbd5e1;
}

.admin-content {
  padding: 25px 30px;
  flex: 1;
}

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 25px;
}

.metric-card {
  background: var(--admin-card);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
}

.metric-card .metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-card .metric-val {
  font-size: 28px;
  font-weight: 700;
  color: var(--admin-navy);
  margin-top: 5px;
}

/* Filter Card */
.filter-card {
  background: var(--admin-card);
  padding: 18px 20px;
  border-radius: 10px;
  border: 1px solid var(--admin-border);
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 150px;
}

.filter-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--admin-muted);
  text-transform: uppercase;
}

/* Table Card */
.table-card {
  background: var(--admin-card);
  border-radius: 10px;
  border: 1px solid var(--admin-border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  overflow: hidden;
}

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

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background: #f9fafb;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-border);
  font-size: 13px;
  vertical-align: middle;
}

.data-table tr:hover {
  background: #fdfdfd;
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-pending   { background: #fef3c7; color: #92400e; }
.badge-approved  { background: #d1fae5; color: #065f46; }
.badge-rejected  { background: #fee2e2; color: #991b1b; }
.badge-completed { background: #dbeafe; color: #1e40af; }
.badge-cancelled { background: #f3f4f6; color: #4b5563; }
.badge-active    { background: #d1fae5; color: #065f46; }
.badge-inactive  { background: #fee2e2; color: #991b1b; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--admin-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--admin-primary-dark); }

.btn-secondary {
  background: #fff;
  border-color: var(--admin-border);
  color: var(--admin-text);
}
.btn-secondary:hover { background: #f9fafb; }

.btn-success { background: #10b981; color: #fff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: #ef4444; color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* Modal Popup in Admin */
.admin-modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 15px;
}

.admin-modal-overlay.active {
  display: flex;
}

.admin-modal-box {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.2);
}

.modal-head {
  padding: 18px 24px;
  background: var(--admin-navy);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.modal-head h3 {
  font-size: 16px;
  color: var(--admin-gold);
}

.modal-close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
}

.modal-body {
  padding: 24px;
}

.modal-foot {
  padding: 16px 24px;
  background: #f9fafb;
  border-top: 1px solid var(--admin-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
}

/* Responsive */
@media (max-width: 900px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; }
}