/*
 * LexIndex Admin — Styles
 * Imports the shared design system and adds admin-specific layout.
 *
 * The shared design system provides colors, typography, and base components.
 * This file only adds what's unique to the admin interface: the sidebar
 * layout, stats cards grid, data tables, and health indicators.
 */

/* Import shared design system (served from /shared-styles/) */
@import url('/shared-styles/design-system.css');

/* ============================================================
   Admin Layout — sidebar + main content
   ============================================================ */

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

.admin-sidebar {
  width: 240px;
  background: var(--color-neutral-900, #1a1a2e);
  color: #fff;
  padding: 1.5rem 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.admin-sidebar__brand {
  padding: 0 1.5rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 1rem;
}

.admin-sidebar__brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-primary-300, #7ecbff);
}

.admin-sidebar__brand span {
  font-size: 0.75rem;
  opacity: 0.6;
}

.admin-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admin-nav__item {
  display: block;
}

.admin-nav__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}

.admin-nav__link:hover,
.admin-nav__link--active {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.admin-nav__link--active {
  border-left: 3px solid var(--color-primary-400, #4da8da);
}

.admin-sidebar__footer {
  margin-top: auto;
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.admin-sidebar__footer a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.8rem;
}

.admin-sidebar__footer a:hover {
  color: #fff;
}

/* Main content area */
.admin-main {
  flex: 1;
  padding: 2rem;
  background: var(--color-neutral-50, #f8f9fa);
  overflow-y: auto;
}

.admin-main__header {
  margin-bottom: 2rem;
}

.admin-main__header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  color: var(--color-neutral-900, #1a1a2e);
}

.admin-main__header p {
  color: var(--color-neutral-500, #6b7280);
  margin: 0;
  font-size: 0.9rem;
}

/* ============================================================
   Stats Cards Grid
   ============================================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: #fff;
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.stat-card__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-neutral-500, #6b7280);
  margin: 0 0 0.5rem;
}

.stat-card__value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-neutral-900, #1a1a2e);
  margin: 0;
}

.stat-card__value--small {
  font-size: 1.25rem;
}

/* ============================================================
   Data Tables
   ============================================================ */

.admin-table-wrap {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  overflow-x: auto;
  margin-bottom: 2rem;
}

.admin-table-wrap__title {
  padding: 1rem 1.25rem 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-neutral-800, #2d2d44);
  margin: 0;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--color-neutral-600, #4b5563);
  border-bottom: 2px solid var(--color-neutral-200, #e5e7eb);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-neutral-100, #f3f4f6);
  color: var(--color-neutral-700, #374151);
}

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

.admin-table tr:hover td {
  background: var(--color-neutral-50, #f9fafb);
}

/* ============================================================
   Badges and Status Indicators
   ============================================================ */

.badge {
  display: inline-block;
  padding: 0.2em 0.6em;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge--active { background: #d1fae5; color: #065f46; }
.badge--inactive { background: #fee2e2; color: #991b1b; }
.badge--admin { background: #dbeafe; color: #1e40af; }
.badge--user { background: #f3f4f6; color: #4b5563; }

/* Health status dots */
.health-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.health-dot--ok { background: #10b981; }
.health-dot--warn { background: #f59e0b; }
.health-dot--error { background: #ef4444; }
.health-dot--unknown { background: #9ca3af; }

/* ============================================================
   Health Panel
   ============================================================ */

.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.health-card {
  background: #fff;
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.health-card__title {
  font-weight: 600;
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.health-card__item {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  font-size: 0.85rem;
  color: var(--color-neutral-600, #4b5563);
}

.health-card__item span:last-child {
  font-weight: 500;
  color: var(--color-neutral-800, #2d2d44);
}

/* ============================================================
   CSS Bar Chart (no JS library needed)
   ============================================================ */

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bar-chart__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bar-chart__label {
  width: 140px;
  font-size: 0.8rem;
  color: var(--color-neutral-600, #4b5563);
  text-align: right;
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-chart__bar-wrap {
  flex: 1;
  background: var(--color-neutral-100, #f3f4f6);
  border-radius: 4px;
  height: 22px;
  overflow: hidden;
}

.bar-chart__bar {
  height: 100%;
  background: var(--color-primary-400, #4da8da);
  border-radius: 4px;
  transition: width 0.4s ease;
  min-width: 2px;
}

.bar-chart__count {
  width: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-neutral-700, #374151);
}

/* ============================================================
   Buttons (admin-specific)
   ============================================================ */

.btn-sm {
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  border: 1px solid var(--color-neutral-300, #d1d5db);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-sm:hover {
  background: var(--color-neutral-100, #f3f4f6);
}

.btn-sm--danger {
  color: #dc2626;
  border-color: #fca5a5;
}

.btn-sm--danger:hover {
  background: #fef2f2;
}

select.btn-sm {
  appearance: auto;
}

/* ============================================================
   Auth Card (admin login — reuses pattern from main site)
   ============================================================ */

.admin-auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-neutral-100, #f3f4f6);
}

.admin-auth-card {
  background: #fff;
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.admin-auth-card h1 {
  text-align: center;
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.admin-auth-card p {
  text-align: center;
  color: var(--color-neutral-500, #6b7280);
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
}

.admin-auth-card .auth-form__error {
  background: #fef2f2;
  color: #dc2626;
  padding: 0.75rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 768px) {
  .admin-sidebar {
    width: 60px;
    padding: 1rem 0;
  }

  .admin-sidebar__brand h1 {
    font-size: 0;
  }

  .admin-sidebar__brand span,
  .admin-nav__link span {
    display: none;
  }

  .admin-nav__link {
    justify-content: center;
    padding: 0.75rem;
  }

  .admin-main {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}