/* ========================================
   TechSupport Solutions — Admin Panel CSS
   ======================================== */

/* ---- Admin Layout ---- */
.admin-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--nav-height);
}

.admin-sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  padding: 24px 0;
  position: fixed;
  top: var(--nav-height);
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar-header {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 16px;
}

.admin-sidebar-header h3 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.admin-nav {
  padding: 0 12px;
  list-style: none;
}

.admin-nav li {
  margin-bottom: 2px;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
}

.admin-nav a:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.admin-nav a.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
}

.admin-nav a .nav-icon {
  font-size: 1.15rem;
  width: 24px;
  text-align: center;
}

.admin-nav .nav-badge {
  margin-left: auto;
  padding: 2px 8px;
  background: var(--accent-danger);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  min-height: calc(100vh - var(--nav-height));
}

/* ---- Admin Header ---- */
.admin-page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.admin-page-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
}

.admin-page-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ---- Stats Cards ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-glow);
}

.stat-card .stat-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.stat-card .stat-icon.purple {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
}

.stat-card .stat-icon.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
}

.stat-card .stat-icon.cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-tertiary);
}

.stat-card .stat-icon.orange {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 800;
}

.stat-card .stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ---- Admin Table ---- */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-glass);
}

.table-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.table-search {
  display: flex;
  gap: 12px;
  align-items: center;
}

.table-search input {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.85rem;
  outline: none;
  width: 240px;
  transition: var(--transition);
}

.table-search input:focus {
  border-color: var(--accent-primary);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  padding: 14px 24px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-glass);
}

.admin-table td {
  padding: 16px 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: middle;
}

.admin-table tbody tr {
  transition: var(--transition-fast);
}

.admin-table tbody tr:hover {
  background: var(--bg-glass);
}

.admin-table .actions {
  display: flex;
  gap: 8px;
}

.status-badge {
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
}

.status-badge.inactive {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
}

.status-badge.unread {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
}

.status-badge.read {
  background: rgba(100, 116, 139, 0.15);
  color: var(--text-muted);
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  animation: fadeInUp 0.3s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border-glass);
}

.modal-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: 28px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px 28px;
  border-top: 1px solid var(--border-glass);
}

/* ---- Login Page ---- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 48px;
  width: 100%;
  max-width: 440px;
  animation: fadeInUp 0.5s ease;
}

.login-card .login-header {
  text-align: center;
  margin-bottom: 36px;
}

.login-card .login-logo {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 20px;
}

.login-card h1 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.login-card .login-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.login-card .btn-primary {
  width: 100%;
  padding: 14px;
  justify-content: center;
  margin-top: 8px;
}

/* ---- 2FA Page ---- */
.twofa-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 48px;
  width: 100%;
  max-width: 480px;
  text-align: center;
  animation: fadeInUp 0.5s ease;
}

.twofa-card .qr-container {
  background: white;
  padding: 20px;
  border-radius: var(--radius-md);
  display: inline-block;
  margin: 24px 0;
}

.twofa-card .qr-container img {
  width: 200px;
  height: 200px;
}

.twofa-card .secret-key {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--accent-primary);
  word-break: break-all;
  margin: 16px 0 24px;
}

.code-input-group {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 24px 0;
}

.code-input-group input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-family);
  outline: none;
  transition: var(--transition);
}

.code-input-group input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* ---- Contact Messages ---- */
.message-preview {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-detail {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 20px;
}

.message-detail h3 {
  margin-bottom: 8px;
}

.message-detail .message-body {
  white-space: pre-wrap;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-glass);
}

/* ---- Admin Responsive ---- */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
    transition: var(--transition);
  }

  .admin-sidebar.active {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
    padding: 20px;
  }

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

  .admin-page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .table-header {
    flex-direction: column;
    gap: 12px;
  }

  .table-search input {
    width: 100%;
  }

  .admin-table {
    display: block;
    overflow-x: auto;
  }

  .login-card,
  .twofa-card {
    padding: 32px 24px;
  }
}