/* ============================================================
   BlackLab Mastering - Admin Panel Stylesheet
   Black & Yellow Theme | Production Build
   ============================================================ */

/* 1. Admin Layout
   ------------------------------------------------------------ */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  overflow-y: auto;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--bg-border);
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.admin-content {
  margin-left: 260px;
  flex: 1;
  min-height: 100vh;
  padding: 32px;
  background-color: var(--bg-primary);
}

/* 2. Sidebar Brand
   ------------------------------------------------------------ */
.admin-sidebar-brand {
  display: flex;
  flex-direction: column;
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--bg-border);
  text-decoration: none;
}

.admin-sidebar-brand .brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  line-height: 1;
}

.admin-sidebar-brand .brand-name span {
  color: var(--accent);
}

.admin-sidebar-brand small {
  display: block;
  margin-top: 6px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* 3. Sidebar Navigation
   ------------------------------------------------------------ */
.admin-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.admin-nav-section {
  margin-bottom: 24px;
}

.admin-nav-section-header {
  padding: 0 8px 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background-color var(--transition);
  margin-bottom: 2px;
}

.admin-nav a .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 1rem;
  flex-shrink: 0;
}

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

.admin-nav a.active {
  color: var(--accent);
  background-color: var(--accent-soft);
  font-weight: 600;
}

.admin-nav a .badge {
  margin-left: auto;
  font-size: 0.6875rem;
  padding: 2px 8px;
}

/* 4. Admin Header
   ------------------------------------------------------------ */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.admin-header h1 {
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--text-primary);
}

.admin-header p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 5. Admin Stats
   ------------------------------------------------------------ */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.admin-stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition);
}

.admin-stat-card:hover {
  border-color: var(--accent-muted);
}

.admin-stat-card .label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.admin-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.admin-stat-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.admin-stat-change.up {
  color: var(--success);
  background-color: var(--success-soft);
}

.admin-stat-change.down {
  color: var(--error);
  background-color: var(--error-soft);
}

/* 6. Admin Table
   ------------------------------------------------------------ */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-table thead {
  background-color: var(--bg-secondary);
}

.admin-table th {
  padding: 14px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  color: var(--text-muted);
  border-bottom: 1px solid var(--bg-border);
  white-space: nowrap;
}

.admin-table td {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--bg-border);
  vertical-align: middle;
}

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

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

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

.admin-table .actions {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.admin-table .actions .btn {
  padding: 6px 12px;
  font-size: 0.75rem;
}

/* 7. Admin Toolbar
   ------------------------------------------------------------ */
.admin-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.admin-toolbar .filters {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.admin-toolbar .filters select.input {
  width: auto;
  min-width: 160px;
  padding: 8px 36px 8px 12px;
  font-size: 0.8125rem;
}

/* 8. Admin Search
   ------------------------------------------------------------ */
.admin-search {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.admin-search .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9375rem;
  color: var(--text-muted);
  pointer-events: none;
}

.admin-search .input {
  padding-left: 40px;
  font-size: 0.875rem;
  height: 40px;
}

/* 9. Pagination
   ------------------------------------------------------------ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 24px;
}

.pagination button,
.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  font-family: var(--font-family);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: transparent;
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.pagination button:hover,
.pagination a:hover {
  color: var(--text-primary);
  border-color: var(--accent-muted);
  background-color: var(--bg-surface);
}

.pagination button.active,
.pagination a.active {
  color: var(--text-on-accent);
  background-color: var(--accent);
  border-color: var(--accent);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* 10. Event Log
   ------------------------------------------------------------ */
.event-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--bg-border);
}

.event-item:last-child {
  border-bottom: none;
}

.event-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.event-dot.info {
  background-color: var(--info);
}

.event-dot.success {
  background-color: var(--success);
}

.event-dot.warning {
  background-color: var(--warning);
}

.event-dot.error {
  background-color: var(--error);
}

.event-item .event-body {
  flex: 1;
  min-width: 0;
}

.event-item .event-message {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.event-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.event-type {
  display: inline-block;
  padding: 2px 8px;
  margin-top: 6px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-hover);
  color: var(--text-secondary);
}

/* 11. Engine Form
   ------------------------------------------------------------ */
.engine-form {
  max-width: 640px;
}

.engine-form .form-group {
  margin-bottom: 24px;
}

.engine-form .form-help {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.engine-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 12. Responsive
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .admin-sidebar {
    width: 220px;
  }

  .admin-content {
    margin-left: 220px;
    padding: 24px;
  }

  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .admin-sidebar {
    position: fixed;
    left: -260px;
    width: 260px;
    transition: left var(--transition-slow);
    box-shadow: none;
  }

  .admin-sidebar.open {
    left: 0;
    box-shadow: var(--shadow-lg);
  }

  .admin-content {
    margin-left: 0;
    padding: 20px 16px;
  }

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

  .admin-header-actions {
    width: 100%;
  }

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

  .admin-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-toolbar .filters {
    margin-left: 0;
    flex-wrap: wrap;
  }

  .admin-search {
    max-width: none;
  }

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

  .engine-form .form-row {
    grid-template-columns: 1fr;
  }

  .pagination {
    flex-wrap: wrap;
  }
}

/* Additional styles for invitations page */
.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
}

.badge-success {
  color: var(--success);
  background-color: var(--success-soft);
}

.badge-error {
  color: var(--error);
  background-color: var(--error-soft);
}

.form-inline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  align-items: end;
}

.form-inline .form-group {
  margin-bottom: 0;
}

.btn-error {
  background-color: var(--error);
  color: white;
  border-color: var(--error);
}

.btn-error:hover {
  background-color: var(--error);
  opacity: 0.9;
}

code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  padding: 2px 6px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-border);
  border-radius: 3px;
  color: var(--accent);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--bg-border);
}

.table th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background-color: var(--bg-secondary);
}

.table td {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.table tbody tr {
  transition: background-color var(--transition);
}

.table tbody tr:hover {
  background-color: var(--bg-surface-hover);
}

.badge-warning {
  color: var(--warning);
  background-color: var(--warning-soft);
}