/* Admin Dashboard Specific Styles
 *
 * Extracted from potato/templates/admin.html. All rules consume the design
 * tokens defined in styles.css (--primary, --border, --radius, etc.). New
 * admin pages should link this file rather than duplicating these rules.
 */

.admin-container {
  min-height: 100vh;
  background-color: var(--light-bg);
}

.admin-header {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--heading-color);
  margin: 0;
}

.admin-header .header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.admin-main {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Tab Navigation */
.admin-tabs {
  display: flex;
  background: white;
  border-radius: var(--radius);
  padding: 0.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--box-shadow);
}

.admin-tab {
  flex: 1;
  padding: 0.75rem 1rem;
  text-align: center;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  color: var(--muted-foreground);
}

.admin-tab.active {
  background-color: var(--primary);
  color: white;
}

.admin-tab:hover:not(.active) {
  background-color: var(--muted);
  color: var(--foreground);
}

/* Tab Content */
.admin-tab-content {
  display: none;
}

.admin-tab-content.active {
  display: block;
}

/* Dashboard Cards */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.dashboard-card {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  border: 1px solid var(--border);
}

.dashboard-card h3 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dashboard-card .value {
  font-size: 2rem;
  font-weight: 600;
  color: var(--heading-color);
  margin: 0;
}

.dashboard-card .description {
  font-size: 0.875rem;
  color: var(--text-color);
  margin: 0.5rem 0 0 0;
}

/* Tables */
.admin-table-container {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

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

.admin-table th,
.admin-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.admin-table th {
  background-color: var(--muted);
  font-weight: 500;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

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

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

/* Pagination */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: white;
  border-top: 1px solid var(--border);
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.pagination-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.pagination-button {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  background: white;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
}

.pagination-button:hover:not(:disabled) {
  background-color: var(--muted);
}

.pagination-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-button.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Filters and Controls */
.table-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.table-controls select,
.table-controls input {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Status Indicators */
.status-badge {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 500;
}

.status-active {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.status-completed {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}

.status-login {
  background-color: rgba(156, 163, 175, 0.1);
  color: var(--gray-color);
}

/* Config Form */
.config-form {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
}

.config-form h3 {
  margin: 0 0 1rem 0;
  color: var(--heading-color);
}

.config-group {
  margin-bottom: 1rem;
}

.config-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.config-group input,
.config-group select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.config-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Questions Tab Styles */
.question-card {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--box-shadow);
  border: 1px solid var(--border);
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.question-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--heading-color);
  margin: 0;
}

.question-type {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--muted);
  color: var(--muted-foreground);
}

.question-description {
  color: var(--text-color);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.question-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.question-stat {
  text-align: center;
  padding: 0.75rem;
  background: var(--muted);
  border-radius: var(--radius);
}

.question-stat .value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--heading-color);
  display: block;
}

.question-stat .label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Visualization Styles */
.visualization {
  margin-top: 1rem;
}

.histogram {
  display: flex;
  align-items: end;
  gap: 0.25rem;
  height: 200px;
  margin: 1rem 0;
}

.histogram-bar {
  flex: 1;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
  position: relative;
  min-height: 4px;
}

.histogram-label {
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.histogram-value {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-color);
}

.distribution-chart {
  display: flex;
  align-items: end;
  gap: 0.25rem;
  height: 200px;
  margin: 1rem 0;
}

.distribution-bar {
  flex: 1;
  background: linear-gradient(
    to top,
    var(--primary),
    var(--success-color)
  );
  border-radius: 2px 2px 0 0;
  position: relative;
  min-height: 4px;
}

.text-analysis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}

.text-stat {
  background: var(--muted);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
}

.text-stat .value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--heading-color);
  display: block;
}

.text-stat .label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.common-words {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.word-tag {
  padding: 0.25rem 0.5rem;
  background: var(--primary);
  color: white;
  border-radius: var(--radius);
  font-size: 0.75rem;
}

.word-tag .count {
  opacity: 0.8;
  margin-left: 0.25rem;
}

.span-analysis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.span-stat {
  background: var(--muted);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
}

.span-stat .value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--heading-color);
  display: block;
}

.span-stat .label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.error-message {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid var(--destructive);
  color: var(--destructive);
  padding: 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
}

/* Keyboard focus parity for the elements admin.html exposes as clickable. */
.admin-tab:focus-visible,
.pagination-button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .admin-header {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .admin-main {
    padding: 1rem;
  }

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

  .table-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .pagination {
    flex-direction: column;
    gap: 1rem;
  }

  .text-analysis {
    grid-template-columns: 1fr;
  }

  .span-analysis {
    grid-template-columns: 1fr;
  }
}