/* Tab Component Styles */
/* Theme-aware tabbed content with state persistence */

/* Tab Container */
.tab-container {
  margin-bottom: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.tab-container:last-child {
  margin-bottom: 0;
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: rgba(99, 102, 241, 0.03);
  border-bottom: 2px solid var(--border-color);
  padding: 0;
  margin: 0;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar for tab nav */
.tab-nav::-webkit-scrollbar {
  height: 4px;
}

.tab-nav::-webkit-scrollbar-track {
  background: transparent;
}

.tab-nav::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.tab-nav::-webkit-scrollbar-thumb:hover {
  background: var(--muted-text);
}

/* Tab Button */
.tab-button {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--muted-text);
  font-family: inherit;
  font-size: 0.95em;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  flex-shrink: 0;
}

.tab-button:hover:not(.active):not(:disabled) {
  color: var(--text-color);
  background: rgba(99, 102, 241, 0.05);
}

.tab-button:focus {
  outline: none;
  background: rgba(99, 102, 241, 0.08);
}

.tab-button.active {
  color: var(--primary-blue);
  font-weight: 600;
  border-bottom-color: var(--primary-blue);
  background: var(--card-bg);
}

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

/* Tab button icon */
.tab-button-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

/* Tab button badge */
.tab-button-badge {
  margin-left: 4px;
  flex-shrink: 0;
}

/* Tab button notification dot */
.tab-button-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  flex-shrink: 0;
  margin-left: 4px;
}

.tab-button.active .tab-button-dot {
  background: var(--primary-blue);
}

/* Tab Content Area */
.tab-content-area {
  position: relative;
  min-height: 100px;
}

/* Tab Panel */
.tab-panel {
  display: none;
  padding: 20px;
  animation: tabFadeIn 0.25s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tab Variants */

/* Pills variant */
.tab-container.variant-pills .tab-nav {
  background: transparent;
  border-bottom: none;
  padding: 10px;
  gap: 6px;
}

.tab-container.variant-pills .tab-button {
  border-radius: var(--radius-medium);
  border-bottom: none;
  padding: 10px 16px;
  background: rgba(99, 102, 241, 0.05);
}

.tab-container.variant-pills .tab-button:hover:not(.active):not(:disabled) {
  background: rgba(99, 102, 241, 0.12);
}

.tab-container.variant-pills .tab-button.active {
  background: var(--primary-blue);
  color: white;
  border-bottom: none;
}

.tab-container.variant-pills .tab-button.active .tab-button-icon {
  color: white;
}

/* Boxed variant */
.tab-container.variant-boxed .tab-nav {
  padding: 10px;
  gap: 6px;
  border-bottom: none;
}

.tab-container.variant-boxed .tab-button {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 16px;
}

.tab-container.variant-boxed .tab-button.active {
  border-color: var(--primary-blue);
  background: rgba(99, 102, 241, 0.08);
}

/* Minimal variant */
.tab-container.variant-minimal {
  border: none;
  background: transparent;
}

.tab-container.variant-minimal .tab-nav {
  background: transparent;
  border-bottom: 1px solid var(--border-color);
  padding: 0;
}

.tab-container.variant-minimal .tab-button {
  padding: 12px 16px;
}

/* Vertical tabs */
.tab-container.variant-vertical {
  display: flex;
  flex-direction: row;
}

.tab-container.variant-vertical .tab-nav {
  flex-direction: column;
  border-bottom: none;
  border-right: 2px solid var(--border-color);
  min-width: 200px;
  overflow-y: auto;
  overflow-x: hidden;
}

.tab-container.variant-vertical .tab-button {
  justify-content: flex-start;
  border-bottom: none;
  border-right: 3px solid transparent;
  text-align: left;
}

.tab-container.variant-vertical .tab-button.active {
  border-bottom: none;
  border-right-color: var(--primary-blue);
}

.tab-container.variant-vertical .tab-content-area {
  flex: 1;
}

/* Color variants */
.tab-container.color-success .tab-button.active {
  color: #10b981;
  border-bottom-color: #10b981;
}

.tab-container.color-success.variant-pills .tab-button.active {
  background: #10b981;
  color: white;
}

.tab-container.color-warning .tab-button.active {
  color: #f59e0b;
  border-bottom-color: #f59e0b;
}

.tab-container.color-warning.variant-pills .tab-button.active {
  background: #f59e0b;
  color: white;
}

.tab-container.color-danger .tab-button.active {
  color: #ef4444;
  border-bottom-color: #ef4444;
}

.tab-container.color-danger.variant-pills .tab-button.active {
  background: #ef4444;
  color: white;
}

.tab-container.color-info .tab-button.active {
  color: #3b82f6;
  border-bottom-color: #3b82f6;
}

.tab-container.color-info.variant-pills .tab-button.active {
  background: #3b82f6;
  color: white;
}

/* Centered tabs */
.tab-container.align-center .tab-nav {
  justify-content: center;
}

/* Right-aligned tabs */
.tab-container.align-right .tab-nav {
  justify-content: flex-end;
}

/* Full width tabs */
.tab-container.full-width .tab-button {
  flex: 1;
  justify-content: center;
}

/* Loading state */
.tab-container.loading .tab-content-area {
  opacity: 0.6;
  pointer-events: none;
}

.tab-container.loading .tab-content-area::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Theme-specific adjustments */
body.theme-dark .tab-container {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

body.theme-light .tab-container {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

body.theme-dark .tab-nav {
  background: rgba(99, 102, 241, 0.05);
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .tab-button {
    padding: 12px 16px;
    font-size: 0.9em;
  }

  .tab-panel {
    padding: 16px;
  }

  /* Make vertical tabs horizontal on mobile */
  .tab-container.variant-vertical {
    flex-direction: column;
  }

  .tab-container.variant-vertical .tab-nav {
    flex-direction: row;
    border-right: none;
    border-bottom: 2px solid var(--border-color);
    min-width: auto;
    width: 100%;
  }

  .tab-container.variant-vertical .tab-button {
    border-right: none;
    border-bottom: 3px solid transparent;
  }

  .tab-container.variant-vertical .tab-button.active {
    border-right: none;
    border-bottom-color: var(--primary-blue);
  }

  /* Scroll hint for overflow tabs */
  .tab-nav {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
}

@media (max-width: 480px) {
  .tab-button {
    padding: 10px 12px;
    font-size: 0.85em;
  }

  .tab-panel {
    padding: 14px;
  }

  /* Stack full-width tabs on very small screens if needed */
  .tab-container.full-width.stack-mobile .tab-nav {
    flex-direction: column;
  }

  .tab-container.full-width.stack-mobile .tab-button {
    border-bottom: 1px solid var(--border-color);
  }
}

/* Print styles */
@media print {
  .tab-nav {
    display: none;
  }

  .tab-panel {
    display: block !important;
    page-break-inside: avoid;
    border-top: 2px solid #ccc;
    margin-top: 1rem;
  }

  .tab-panel::before {
    content: attr(data-tab-title);
    display: block;
    font-weight: bold;
    margin-bottom: 0.5rem;
  }
}

/* Accessibility - High contrast mode */
@media (prefers-contrast: high) {
  .tab-button.active {
    border-bottom-width: 4px;
    font-weight: 700;
  }

  .tab-button:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .tab-panel,
  .tab-button {
    animation: none;
    transition: none;
  }
}