/**
 * smsai Component Styles
 *
 * Token-based component library for reusable UI elements.
 * All values use design tokens from tokens.css.
 *
 * @version 2.0.0
 * @phase Phase 3 - Component System
 * @date 2025-10-10
 *
 * USAGE:
 *   Import after tokens.css and base.css in templates
 *   Use component classes with BEM-like modifiers
 *   All components are mobile-first and accessible
 *
 * STRUCTURE:
 *   1. Buttons
 *   2. Cards
 *   3. Badges
 *   4. Form Fields
 *   5. Tables
 *   6. Alerts
 *   7. Metric Tiles
 */

/* ============================================================================
   BUTTONS
   Consolidates 8+ button implementations across templates
   ========================================================================= */

/* --- Base Button Styles --- */
.btn {
  /* Display & Layout */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);

  /* Sizing */
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-6);

  /* Typography */
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;

  /* Colors */
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);

  /* Borders */
  border: var(--border-1) solid transparent;
  border-radius: var(--radius-base);

  /* Effects */
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: background var(--transition-base) var(--ease-in-out),
              border-color var(--transition-base) var(--ease-in-out),
              box-shadow var(--transition-base) var(--ease-in-out),
              transform var(--transition-base) var(--ease-in-out);

  /* User Interaction */
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover {
  background: var(--color-gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring-primary);
  outline-offset: var(--ring-offset);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-xs);
}

.btn:disabled:hover {
  background: var(--color-bg-secondary);
  box-shadow: var(--shadow-xs);
  transform: none;
}

/* --- Button Variants (Color) --- */
.btn--primary {
  color: var(--color-text-inverse);
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-700);
  border-color: var(--color-primary-700);
}

.btn--primary:focus-visible {
  box-shadow: var(--ring-primary);
}

.btn--secondary {
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border-color: var(--color-border-primary);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-primary);
}

.btn--danger {
  color: var(--color-text-inverse);
  background: var(--color-danger-600);
  border-color: var(--color-danger-600);
}

.btn--danger:hover:not(:disabled) {
  background: var(--color-danger-700);
  border-color: var(--color-danger-700);
}

.btn--danger:focus-visible {
  box-shadow: var(--ring-danger);
}

.btn--success {
  color: var(--color-text-inverse);
  background: var(--color-success-600);
  border-color: var(--color-success-600);
}

.btn--success:hover:not(:disabled) {
  background: var(--color-success-700);
  border-color: var(--color-success-700);
}

.btn--success:focus-visible {
  box-shadow: var(--ring-success);
}

.btn--outline {
  color: var(--color-primary-600);
  background: transparent;
  border-color: var(--color-primary-600);
  box-shadow: none;
}

.btn--outline:hover:not(:disabled) {
  color: var(--color-text-inverse);
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-sm);
}

.btn--ghost {
  color: var(--color-text-primary);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.btn--ghost:hover:not(:disabled) {
  background: var(--color-bg-secondary);
  box-shadow: none;
}

/* --- Button Size Variants --- */
.btn--sm {
  min-height: var(--space-10);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  gap: var(--space-1);
}

.btn--md {
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  gap: var(--space-2);
}

.btn--lg {
  min-height: var(--space-12);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  gap: var(--space-2);
}

/* --- Button States --- */
.btn--loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn--loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--space-4);
  height: var(--space-4);
  margin-top: calc(var(--space-4) / -2);
  margin-left: calc(var(--space-4) / -2);
  border: var(--border-2) solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-full);
  animation: btn-spin 0.6s linear infinite;
}

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

/* --- Button Icon Support --- */
.btn__icon {
  display: inline-flex;
  flex-shrink: 0;
  width: var(--space-4);
  height: var(--space-4);
}

.btn--sm .btn__icon {
  width: var(--space-3);
  height: var(--space-3);
}

.btn--lg .btn__icon {
  width: var(--space-5);
  height: var(--space-5);
}

/* ============================================================================
   CARDS
   Consolidates 10+ card implementations across templates
   ========================================================================= */

/* --- Base Card Styles --- */
.card {
  /* Display */
  display: flex;
  flex-direction: column;

  /* Colors */
  background: var(--color-surface);
  color: var(--color-text-primary);

  /* Borders */
  border: var(--border-1) solid var(--color-border-secondary);
  border-radius: var(--radius-md);

  /* Spacing */
  padding: var(--space-6);

  /* Effects */
  box-shadow: var(--shadow-base);
  transition: box-shadow var(--transition-base) var(--ease-in-out),
              transform var(--transition-base) var(--ease-in-out);
}

/* --- Card Variants (Style) --- */
.card--elevated {
  border: none;
  box-shadow: var(--shadow-md);
}

.card--bordered {
  border-color: var(--color-border-primary);
  box-shadow: none;
}

/* --- Card States --- */
.card--hoverable {
  cursor: pointer;
}

.card--hoverable:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card--hoverable:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

/* --- Card Structure Elements --- */
.card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-1) solid var(--color-border-secondary);
}

.card__header:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.card__body {
  flex: 1;
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

.card__footer {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--border-1) solid var(--color-border-secondary);
}

.card__footer:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* --- Card Padding Variants --- */
.card--no-padding {
  padding: 0;
}

.card--sm-padding {
  padding: var(--space-4);
}

.card--lg-padding {
  padding: var(--space-8);
}

/* --- Responsive Card Adjustments --- */
@media (min-width: 768px) {
  .card {
    padding: var(--space-8);
  }

  .card--sm-padding {
    padding: var(--space-6);
  }

  .card--lg-padding {
    padding: var(--space-12);
  }
}

/* ============================================================================
   BADGES
   Consolidates 6+ badge implementations across templates
   ========================================================================= */

/* --- Base Badge Styles --- */
.badge {
  /* Display */
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);

  /* Sizing */
  padding: var(--space-1) var(--space-3);

  /* Typography */
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
  text-align: center;
  white-space: nowrap;

  /* Borders */
  border: var(--border-1) solid transparent;
  border-radius: var(--radius-base);

  /* Effects */
  transition: background var(--transition-base) var(--ease-in-out),
              border-color var(--transition-base) var(--ease-in-out);
}

/* --- Badge Color Variants --- */
.badge--success {
  color: var(--color-success-700);
  background: var(--color-success-100);
  border-color: var(--color-success-200);
}

.badge--danger {
  color: var(--color-danger-700);
  background: var(--color-danger-100);
  border-color: var(--color-danger-200);
}

.badge--warning {
  color: var(--color-warning-700);
  background: var(--color-warning-100);
  border-color: var(--color-warning-200);
}

.badge--info {
  color: var(--color-info-700);
  background: var(--color-info-100);
  border-color: var(--color-info-200);
}

.badge--primary {
  color: var(--color-primary-700);
  background: var(--color-primary-100);
  border-color: var(--color-primary-200);
}

/* --- Badge Size Variants --- */
.badge--sm {
  padding: var(--space-0-5) var(--space-2);
  font-size: var(--text-xs);
  gap: var(--space-0-5);
}

.badge--md {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  gap: var(--space-1);
}

.badge--lg {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  gap: var(--space-2);
}

/* --- Badge Shape Variants --- */
.badge--pill {
  border-radius: var(--radius-full);
}

/* --- Badge Outline Variant --- */
.badge--outline {
  background: transparent;
}

.badge--outline.badge--success {
  color: var(--color-success-700);
  border-color: var(--color-success-600);
}

.badge--outline.badge--danger {
  color: var(--color-danger-700);
  border-color: var(--color-danger-600);
}

.badge--outline.badge--warning {
  color: var(--color-warning-700);
  border-color: var(--color-warning-600);
}

.badge--outline.badge--info {
  color: var(--color-info-700);
  border-color: var(--color-info-600);
}

.badge--outline.badge--primary {
  color: var(--color-primary-700);
  border-color: var(--color-primary-600);
}

/* --- Badge Icon Support --- */
.badge__icon {
  display: inline-flex;
  flex-shrink: 0;
  width: var(--space-3);
  height: var(--space-3);
}

.badge--sm .badge__icon {
  width: var(--space-2);
  height: var(--space-2);
}

.badge--lg .badge__icon {
  width: var(--space-4);
  height: var(--space-4);
}

/* ============================================================================
   FORM FIELDS
   Consolidates 6+ input variations across templates
   ========================================================================= */

/* --- Form Field Wrapper --- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

/* --- Form Field Label --- */
.form-field__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
}

/* Required indicator */
.form-field__label--required::after {
  content: ' *';
  color: var(--color-danger-600);
}

/* --- Form Field Input --- */
.form-field__input {
  /* Display */
  display: block;
  width: 100%;

  /* Sizing */
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-4);

  /* Typography */
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);

  /* Colors */
  color: var(--color-text-primary);
  background: var(--color-bg-primary);

  /* Borders */
  border: var(--border-1) solid var(--color-border-primary);
  border-radius: var(--radius-base);

  /* Effects */
  box-shadow: var(--shadow-inner);
  transition: border-color var(--transition-base) var(--ease-in-out),
              box-shadow var(--transition-base) var(--ease-in-out);
}

.form-field__input::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

.form-field__input:hover:not(:disabled) {
  border-color: var(--color-border-focus);
}

.form-field__input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: var(--ring-primary);
}

.form-field__input:disabled {
  background: var(--color-bg-secondary);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

/* --- Form Field Help Text --- */
.form-field__help {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* --- Form Field Error Message --- */
.form-field__error {
  font-size: var(--text-sm);
  color: var(--color-danger-700);
  line-height: var(--leading-normal);
  font-weight: var(--font-medium);
}

/* --- Form Field States --- */
.form-field--invalid .form-field__input {
  border-color: var(--color-danger-600);
}

.form-field--invalid .form-field__input:focus {
  box-shadow: var(--ring-danger);
}

.form-field--valid .form-field__input {
  border-color: var(--color-success-600);
}

.form-field--valid .form-field__input:focus {
  box-shadow: var(--ring-success);
}

.form-field--disabled .form-field__label {
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* --- Textarea Specific --- */
textarea.form-field__input {
  min-height: calc(var(--touch-target-min) * 2);
  resize: vertical;
}

/* --- Select Specific --- */
select.form-field__input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%2364748b' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: var(--space-4);
  padding-right: var(--space-10);
  appearance: none;
}

/* ============================================================================
   TABLES
   Consolidates 4+ table implementations across templates
   ========================================================================= */

/* --- Base Table Styles --- */
.table {
  /* Display */
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;

  /* Typography */
  font-size: var(--text-sm);
  line-height: var(--leading-normal);

  /* Colors */
  color: var(--color-text-primary);
  background: var(--color-surface);

  /* Borders */
  border: var(--border-1) solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* --- Table Header --- */
.table thead {
  background: var(--color-bg-secondary);
  border-bottom: var(--border-2) solid var(--color-border-primary);
}

.table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* --- Table Body --- */
.table tbody tr {
  border-bottom: var(--border-1) solid var(--color-border-secondary);
  transition: background var(--transition-base) var(--ease-in-out);
}

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

.table td {
  padding: var(--space-3) var(--space-4);
  vertical-align: middle;
}

/* --- Table Variants --- */
.table--striped tbody tr:nth-child(even) {
  background: var(--color-bg-secondary);
}

.table--hoverable tbody tr:hover {
  background: var(--color-bg-tertiary);
  cursor: pointer;
}

/* --- Table Responsive Wrapper --- */
.table--responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-4);
}

.table--responsive .table {
  min-width: 640px;
}

/* --- Table Empty State --- */
.table__empty {
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* --- Responsive Table Adjustments --- */
@media (min-width: 768px) {
  .table th,
  .table td {
    padding: var(--space-4) var(--space-6);
  }

  .table {
    font-size: var(--text-base);
  }
}

/* ============================================================================
   ALERTS
   Consolidates 5+ alert/toast implementations across templates
   ========================================================================= */

/* --- Base Alert Styles --- */
.alert {
  /* Display */
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);

  /* Sizing */
  padding: var(--space-4);

  /* Typography */
  font-size: var(--text-sm);
  line-height: var(--leading-normal);

  /* Borders */
  border: var(--border-1) solid transparent;
  border-radius: var(--radius-base);

  /* Effects */
  box-shadow: var(--shadow-sm);
}

/* --- Alert Color Variants --- */
.alert--success {
  color: var(--color-success-900);
  background: var(--color-success-50);
  border-color: var(--color-success-600);
}

.alert--danger {
  color: var(--color-danger-900);
  background: var(--color-danger-50);
  border-color: var(--color-danger-600);
}

.alert--warning {
  color: var(--color-warning-900);
  background: var(--color-warning-50);
  border-color: var(--color-warning-600);
}

.alert--info {
  color: var(--color-info-900);
  background: var(--color-info-50);
  border-color: var(--color-info-600);
}

/* --- Alert Icon --- */
.alert__icon {
  display: flex;
  flex-shrink: 0;
  width: var(--space-5);
  height: var(--space-5);
}

/* --- Alert Message --- */
.alert__message {
  flex: 1;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

/* --- Alert Close Button --- */
.alert__close {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: var(--space-5);
  height: var(--space-5);
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: currentColor;
  opacity: 0.7;
  transition: opacity var(--transition-base) var(--ease-in-out),
              background var(--transition-base) var(--ease-in-out);
}

.alert__close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
}

.alert__close:focus-visible {
  outline: none;
  box-shadow: var(--ring-primary);
}

/* ============================================================================
   METRIC TILES
   Component for dashboard statistics display
   ========================================================================= */

/* --- Base Metric Tile Styles --- */
.metric-tile {
  /* Display */
  display: flex;
  flex-direction: column;
  gap: var(--space-3);

  /* Sizing */
  padding: var(--space-6);

  /* Colors */
  background: var(--color-surface);
  color: var(--color-text-primary);

  /* Borders */
  border: var(--border-1) solid var(--color-border-secondary);
  border-radius: var(--radius-md);

  /* Effects */
  box-shadow: var(--shadow-base);
  transition: box-shadow var(--transition-base) var(--ease-in-out),
              transform var(--transition-base) var(--ease-in-out),
              border-color var(--transition-base) var(--ease-in-out);
}

/* --- Metric Tile Label --- */
.metric-tile__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  line-height: var(--leading-tight);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* --- Metric Tile Value --- */
.metric-tile__value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-none);
}

/* --- Metric Tile Subtitle --- */
.metric-tile__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

/* --- Metric Tile Trend --- */
.metric-tile__trend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
}

.metric-tile__trend--up {
  color: var(--color-success-600);
}

.metric-tile__trend--down {
  color: var(--color-danger-600);
}

.metric-tile__trend--neutral {
  color: var(--color-text-muted);
}

/* --- Metric Tile Icon --- */
.metric-tile__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--space-12);
  height: var(--space-12);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

/* --- Metric Tile Color Variants --- */
.metric-tile--primary {
  border-color: var(--color-primary-200);
}

.metric-tile--primary .metric-tile__icon {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.metric-tile--success {
  border-color: var(--color-success-200);
}

.metric-tile--success .metric-tile__icon {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.metric-tile--danger {
  border-color: var(--color-danger-200);
}

.metric-tile--danger .metric-tile__icon {
  background: var(--color-danger-100);
  color: var(--color-danger-700);
}

.metric-tile--warning {
  border-color: var(--color-warning-200);
}

.metric-tile--warning .metric-tile__icon {
  background: var(--color-warning-100);
  color: var(--color-warning-700);
}

/* --- Metric Tile Clickable State --- */
.metric-tile--clickable {
  cursor: pointer;
}

.metric-tile--clickable:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-border-primary);
}

.metric-tile--clickable:active {
  transform: translateY(0);
  box-shadow: var(--shadow-base);
}

.metric-tile--clickable:focus-visible {
  outline: none;
  box-shadow: var(--ring-primary);
  outline-offset: var(--ring-offset);
}

/* --- Responsive Metric Tile Adjustments --- */
@media (min-width: 640px) {
  .metric-tile__value {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 768px) {
  .metric-tile {
    padding: var(--space-8);
  }

  .metric-tile__icon {
    width: var(--space-14);
    height: var(--space-14);
  }
}

/* ============================================================================
   LAYOUT COMPONENTS
   Reusable layout structures for admin interface
   ========================================================================= */

/* --- Admin Navigation --- */
.admin-nav {
  /* Display */
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-base);
}

.admin-nav__container {
  /* Display */
  position: relative;
  padding: var(--space-4) var(--space-6);
}

/* Mobile menu toggle button */
.admin-nav__toggle {
  /* Display */
  display: flex;
  align-items: center;
  justify-content: center;

  /* Sizing */
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  padding: var(--space-3);

  /* Colors */
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);

  /* Borders */
  border: var(--border-1) solid var(--color-border-primary);
  border-radius: var(--radius-base);

  /* Effects */
  cursor: pointer;
  transition: background var(--transition-base) var(--ease-in-out),
              border-color var(--transition-base) var(--ease-in-out);
}

.admin-nav__toggle:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-focus);
}

.admin-nav__toggle:focus-visible {
  outline: none;
  box-shadow: var(--ring-primary);
  outline-offset: var(--ring-offset);
}

/* Hamburger icon */
.admin-nav__toggle-icon {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  width: var(--space-5);
}

.admin-nav__toggle-icon span {
  display: block;
  height: var(--border-2);
  background: currentColor;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base) var(--ease-in-out),
              opacity var(--transition-base) var(--ease-in-out);
}

/* Navigation list */
.admin-nav__list {
  /* Display */
  display: none;
  flex-direction: column;
  gap: var(--space-2);

  /* Spacing */
  margin: var(--space-4) 0 0 0;
  padding: var(--space-4) 0 0 0;
  list-style: none;

  /* Borders */
  border-top: var(--border-1) solid var(--color-border-secondary);
}

.admin-nav__list--open {
  display: flex;
}

/* Navigation item */
.admin-nav__item {
  display: block;
}

/* Navigation link */
.admin-nav__link {
  /* Display */
  display: block;
  padding: var(--space-3) var(--space-4);

  /* Typography */
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
  text-decoration: none;

  /* Colors */
  color: var(--color-primary-600);
  background: var(--color-bg-secondary);

  /* Borders */
  border-radius: var(--radius-base);

  /* Effects */
  transition: background var(--transition-base) var(--ease-in-out),
              color var(--transition-base) var(--ease-in-out);
}

.admin-nav__link:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-primary-700);
}

.admin-nav__link:focus-visible {
  outline: none;
  box-shadow: var(--ring-primary);
  outline-offset: var(--ring-offset);
}

.admin-nav__link--active {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
  font-weight: var(--font-semibold);
}

/* Desktop navigation (horizontal) */
@media (min-width: 768px) {
  .admin-nav__toggle {
    display: none;
  }

  .admin-nav__list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin: 0;
    padding: 0;
    border-top: none;
  }
}

/* --- Admin Header --- */
.admin-header {
  /* Display */
  position: relative;

  /* Colors - Gradient background */
  background: linear-gradient(135deg, var(--color-primary-600) 0%, #764ba2 100%);

  /* Borders */
  border-radius: var(--radius-md);

  /* Spacing */
  padding: var(--space-6);
  margin-bottom: var(--space-5);

  /* Effects */
  box-shadow: var(--shadow-base);
}

.admin-header__container {
  /* Display */
  display: flex;
  flex-direction: column;
  gap: var(--space-4);

  /* Sizing */
  max-width: var(--container-xl);
  margin: 0 auto;
}

/* User info badge */
.admin-header__user {
  /* Display */
  align-self: flex-end;

  /* Sizing */
  padding: var(--space-2) var(--space-4);

  /* Typography */
  font-size: var(--text-sm);
  font-weight: var(--font-medium);

  /* Colors */
  color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);

  /* Borders */
  border: var(--border-1) solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-base);
}

/* Header content area */
.admin-header__content {
  /* Display */
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.admin-header__text {
  /* Display */
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Header title */
.admin-header__title {
  /* Typography */
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);

  /* Colors */
  color: var(--color-text-inverse);

  /* Spacing */
  margin: 0;
}

/* Header subtitle */
.admin-header__subtitle {
  /* Typography */
  font-size: var(--text-sm);
  line-height: var(--leading-normal);

  /* Colors */
  color: rgba(255, 255, 255, 0.9);

  /* Spacing */
  margin: 0;
}

/* Header actions area */
.admin-header__actions {
  /* Display */
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* Responsive header adjustments */
@media (min-width: 768px) {
  .admin-header {
    padding: var(--space-8);
  }

  .admin-header__content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .admin-header__title {
    font-size: var(--text-3xl);
  }

  .admin-header__subtitle {
    font-size: var(--text-base);
  }

  .admin-header__actions {
    margin-left: auto;
  }
}

/* --- Page Container --- */
.page-container {
  /* Display */
  width: 100%;

  /* Spacing */
  margin: 0 auto;
  padding: var(--space-4);
}

/* Responsive page container adjustments */
@media (min-width: 640px) {
  .page-container {
    padding: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .page-container {
    padding: var(--space-6);
  }
}

/* ============================================================================
   MODAL COMPONENT
   Reusable modal dialog with backdrop, keyboard navigation, and focus management
   ========================================================================= */

/* --- Modal Backdrop --- */
.modal-backdrop {
  /* Positioning */
  position: fixed;
  inset: 0;
  z-index: 1000;

  /* Layout */
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);

  /* Colors */
  background: rgba(0, 0, 0, 0.5);

  /* Effects */
  backdrop-filter: blur(2px);

  /* Prevent scroll on body when modal is open */
  overflow-y: auto;
}

.modal-backdrop--show {
  display: flex;
}

/* --- Modal Container --- */
.modal {
  /* Display */
  position: relative;

  /* Sizing */
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;

  /* Colors */
  background: var(--color-surface);

  /* Borders */
  border-radius: var(--radius-lg);

  /* Effects */
  box-shadow: var(--shadow-2xl);

  /* Animation */
  animation: modal-slide-up 0.2s ease-out;
}

/* Modal slide-up animation */
@keyframes modal-slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Modal Size Variants --- */
.modal--sm {
  max-width: 400px;
}

.modal--md {
  max-width: 600px;
}

.modal--lg {
  max-width: 800px;
}

.modal--xl {
  max-width: 1000px;
}

/* --- Modal Header --- */
.modal__header {
  /* Layout */
  display: flex;
  align-items: center;
  justify-content: space-between;

  /* Spacing */
  padding: var(--space-4) var(--space-5);

  /* Borders */
  border-bottom: var(--border-1) solid var(--color-border-secondary);
}

.modal__title {
  /* Typography */
  margin: 0;
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);

  /* Colors */
  color: var(--color-text-primary);
}

/* --- Modal Close Button --- */
.modal__close {
  /* Display */
  display: flex;
  align-items: center;
  justify-content: center;

  /* Sizing */
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: var(--space-2);

  /* Colors */
  background: none;
  color: var(--color-text-secondary);

  /* Borders */
  border: none;
  border-radius: var(--radius-base);

  /* Effects */
  cursor: pointer;
  transition: background-color var(--transition-base) var(--ease-in-out),
              color var(--transition-base) var(--ease-in-out);

  /* Remove default button styles */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.modal__close:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.modal__close:focus-visible {
  outline: none;
  box-shadow: var(--ring-primary);
  outline-offset: var(--ring-offset);
}

.modal__close svg {
  display: block;
  width: var(--space-5);
  height: var(--space-5);
}

/* --- Modal Body --- */
.modal__body {
  /* Spacing */
  padding: var(--space-5);

  /* Colors */
  color: var(--color-text-primary);

  /* Typography */
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

/* --- Modal Footer --- */
.modal__footer {
  /* Layout */
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);

  /* Spacing */
  padding: var(--space-3) var(--space-5);

  /* Borders */
  border-top: var(--border-1) solid var(--color-border-secondary);
}

/* --- Responsive Modal Adjustments --- */
@media (max-width: 640px) {
  .modal-backdrop {
    padding: var(--space-2);
  }

  .modal {
    max-height: 95vh;
  }

  .modal__header,
  .modal__body,
  .modal__footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .modal__header {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .modal__body {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .modal__footer {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
    flex-wrap: wrap;
  }

  /* Stack buttons on mobile if needed */
  .modal__footer > .btn {
    flex: 1;
    min-width: 120px;
  }
}

/* --- Modal Utility Classes --- */

/* Prevent body scroll when modal is open */
body.modal-open {
  overflow: hidden;
}

/* Full-width form fields in modal */
.modal__body .form-field {
  width: 100%;
}

/* Grid layout for modal forms */
.modal__body .form-grid {
  display: grid;
  gap: var(--space-3);
}

.modal__body .form-grid--2col {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 640px) {
  .modal__body .form-grid--2col {
    grid-template-columns: 1fr;
  }
}

/* Modal content sections */
.modal__section {
  margin-bottom: var(--space-4);
}

.modal__section:last-child {
  margin-bottom: 0;
}

.modal__section-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-2);
}

/* ============================================================================
   DROPDOWN COMPONENT
   Reusable select/dropdown with native HTML select element for accessibility
   ========================================================================= */

/* --- Dropdown Wrapper --- */
.dropdown {
  /* Display */
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* --- Dropdown Label --- */
.dropdown__label {
  /* Display */
  display: block;

  /* Typography */
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);

  /* Colors */
  color: var(--color-text-primary);
}

/* Required indicator */
.dropdown__label--required::after {
  content: ' *';
  color: var(--color-danger-600);
}

/* --- Dropdown Select Element --- */
.dropdown__select {
  /* Display */
  display: block;
  width: 100%;

  /* Sizing */
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-12) var(--space-2) var(--space-3);

  /* Typography */
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);

  /* Colors */
  color: var(--color-text-primary);
  background: var(--color-surface);

  /* Borders */
  border: var(--border-1) solid var(--color-border-primary);
  border-radius: var(--radius-base);

  /* Remove default appearance */
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;

  /* Effects */
  cursor: pointer;
  transition: border-color var(--transition-base) var(--ease-in-out),
              box-shadow var(--transition-base) var(--ease-in-out);

  /* Custom dropdown arrow */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23374151'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
}

/* Focus state */
.dropdown__select:focus {
  outline: none;
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Hover state */
.dropdown__select:hover:not(:disabled) {
  border-color: var(--color-border-focus);
}

/* Disabled state */
.dropdown__select:disabled {
  background: var(--color-bg-disabled);
  color: var(--color-text-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Error state */
.dropdown__select--error {
  border-color: var(--color-danger-600);
}

.dropdown__select--error:focus {
  border-color: var(--color-danger-600);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* --- Size Variants --- */
.dropdown__select--sm {
  min-height: var(--space-10);
  padding: var(--space-1) var(--space-10) var(--space-1) var(--space-2);
  font-size: var(--text-sm);
}

.dropdown__select--lg {
  min-height: var(--space-12);
  padding: var(--space-3) var(--space-14) var(--space-3) var(--space-4);
  font-size: var(--text-lg);
}

/* --- Dropdown Help Text --- */
.dropdown__help {
  /* Display */
  display: block;

  /* Typography */
  font-size: var(--text-xs);
  line-height: var(--leading-normal);

  /* Colors */
  color: var(--color-text-secondary);
}

/* --- Dropdown Error Message --- */
.dropdown__error {
  /* Display */
  display: block;

  /* Typography */
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);

  /* Colors */
  color: var(--color-danger-600);
}

/* --- Disabled Dropdown State --- */
.dropdown--disabled .dropdown__label {
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* --- Dark Mode Support --- */
@media (prefers-color-scheme: dark) {
  .dropdown__select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23D1D5DB'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  }
}

/* --- Mobile Touch Target Enhancement --- */
@media (max-width: 640px) {
  .dropdown__select {
    /* Ensure minimum touch target on mobile */
    min-height: 44px;
  }

  .dropdown__select--sm {
    min-height: 40px;
  }
}

/* --- Focus Visible Enhancement for Keyboard Users --- */
.dropdown__select:focus-visible {
  outline: var(--border-2) solid var(--color-border-focus);
  outline-offset: var(--ring-offset);
}

/* --- Print Styles --- */
@media print {
  .dropdown__select {
    border: var(--border-1) solid var(--color-border-primary);
    background-image: none;
  }
}

/* ============================================================================
   TABS COMPONENT
   Reusable tab navigation with keyboard support and multiple variants
   ========================================================================= */

/* --- Base Tab Styles --- */
.tabs {
  /* Display */
  display: flex;

  /* Borders */
  border-bottom: var(--border-1) solid var(--color-border-secondary);
}

.tabs--vertical {
  flex-direction: column;
  border-bottom: none;
  border-right: var(--border-1) solid var(--color-border-secondary);
}

/* --- Tab List --- */
.tabs__list {
  /* Display */
  display: flex;
  gap: var(--space-1);

  /* Reset list styles */
  list-style: none;
  margin: 0;
  padding: 0;
}

.tabs--vertical .tabs__list {
  flex-direction: column;
}

/* --- Tab Item --- */
.tabs__item {
  /* Display */
  display: block;
}

/* --- Tab Button --- */
.tabs__tab {
  /* Display */
  display: flex;
  align-items: center;
  justify-content: center;

  /* Sizing */
  padding: var(--space-2) var(--space-4);
  min-height: var(--touch-target-min);

  /* Typography */
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
  white-space: nowrap;

  /* Colors */
  color: var(--color-text-secondary);
  background: none;

  /* Borders */
  border: none;

  /* Effects */
  cursor: pointer;
  position: relative;
  transition: color var(--transition-base) var(--ease-in-out),
              border-color var(--transition-base) var(--ease-in-out),
              background var(--transition-base) var(--ease-in-out);

  /* User Interaction */
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.tabs__tab:hover {
  color: var(--color-text-primary);
}

.tabs__tab:focus {
  outline: var(--border-2) solid var(--color-primary-600);
  outline-offset: -2px;
  z-index: 1;
}

.tabs__tab[aria-selected="true"] {
  color: var(--color-primary-600);
}

/* --- Default Variant (Bordered with Underline) --- */
.tabs--default .tabs__tab[aria-selected="true"]::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary-600);
}

.tabs--vertical.tabs--default .tabs__tab[aria-selected="true"]::after {
  bottom: 0;
  top: 0;
  left: auto;
  right: -1px;
  width: 2px;
  height: 100%;
}

/* --- Pills Variant --- */
.tabs--pills {
  border-bottom: none;
}

.tabs--pills.tabs--vertical {
  border-right: none;
}

.tabs--pills .tabs__tab {
  border-radius: var(--radius-full);
}

.tabs--pills .tabs__tab[aria-selected="true"] {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.tabs--pills .tabs__tab:hover:not([aria-selected="true"]) {
  background: var(--color-bg-hover);
}

/* --- Underline Variant --- */
.tabs--underline {
  border-bottom: none;
}

.tabs--underline.tabs--vertical {
  border-right: none;
}

.tabs--underline .tabs__tab {
  border-bottom: 2px solid transparent;
}

.tabs--underline .tabs__tab[aria-selected="true"] {
  border-bottom-color: var(--color-primary-600);
}

.tabs--vertical.tabs--underline .tabs__tab {
  border-bottom: none;
  border-right: 2px solid transparent;
}

.tabs--vertical.tabs--underline .tabs__tab[aria-selected="true"] {
  border-bottom-color: transparent;
  border-right-color: var(--color-primary-600);
}

/* --- Size Variants --- */
.tabs__tab--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  min-height: var(--space-10);
}

.tabs__tab--lg {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-lg);
  min-height: var(--space-12);
}

/* --- Tab Panel --- */
.tabs__panel {
  /* Spacing */
  padding: var(--space-4) 0;

  /* Colors */
  color: var(--color-text-primary);

  /* Typography */
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

.tabs__panel:focus {
  outline: none;
}

/* --- Responsive Adjustments --- */
@media (max-width: 640px) {
  .tabs__list {
    flex-wrap: wrap;
  }

  .tabs--vertical .tabs__list {
    flex-wrap: nowrap;
  }

  /* Reduce padding on small screens */
  .tabs__tab {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
  }

  .tabs__tab--sm {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
  }

  .tabs__tab--lg {
    padding: var(--space-2-5) var(--space-4);
    font-size: var(--text-base);
  }
}

/* ============================================================================
   TOOLTIP COMPONENT
   Lightweight, accessible tooltip with auto-positioning and keyboard support
   ========================================================================= */

/* --- Tooltip Trigger --- */
.tooltip-trigger {
  position: relative;
  display: inline-block;
}

/* --- Tooltip Base --- */
.tooltip {
  /* Positioning */
  position: absolute;
  z-index: var(--z-tooltip);

  /* Sizing */
  max-width: 200px;
  padding: var(--space-2) var(--space-3);

  /* Typography */
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  white-space: normal;
  word-wrap: break-word;

  /* Colors */
  background: var(--color-gray-900);
  color: var(--color-text-inverse);

  /* Borders */
  border-radius: var(--radius-base);

  /* Effects */
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast) var(--ease-in-out),
              visibility var(--transition-fast) var(--ease-in-out);
}

/* --- Tooltip Show State --- */
.tooltip--show {
  opacity: 1;
  visibility: visible;
}

/* --- Tooltip Position Variants --- */
.tooltip--top {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  margin-bottom: var(--space-2);
}

.tooltip--bottom {
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  margin-top: var(--space-2);
}

.tooltip--left {
  right: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(-8px);
  margin-right: var(--space-2);
}

.tooltip--right {
  left: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  margin-left: var(--space-2);
}

/* --- Tooltip Arrow --- */
.tooltip::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border: 6px solid transparent;
}

.tooltip--top::before {
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-top-color: var(--color-gray-900);
}

.tooltip--bottom::before {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-color: var(--color-gray-900);
}

.tooltip--left::before {
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-left-color: var(--color-gray-900);
}

.tooltip--right::before {
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-right-color: var(--color-gray-900);
}

/* --- Dark Theme Support --- */
[data-theme="dark"] .tooltip {
  background: var(--color-gray-100);
  color: var(--color-gray-950);
  box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .tooltip--top::before {
  border-top-color: var(--color-gray-100);
}

[data-theme="dark"] .tooltip--bottom::before {
  border-bottom-color: var(--color-gray-100);
}

[data-theme="dark"] .tooltip--left::before {
  border-left-color: var(--color-gray-100);
}

[data-theme="dark"] .tooltip--right::before {
  border-right-color: var(--color-gray-100);
}

/* --- Reduced Motion Support --- */
@media (prefers-reduced-motion: reduce) {
  .tooltip {
    transition: none;
  }
}

/* ============================================================================
   STATUS CHIP COMPONENT
   Interactive status indicator with semantic variants, icons, and dismiss
   ========================================================================= */

/* --- Base Status Chip Styles --- */
.status-chip {
  /* Display */
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);

  /* Sizing */
  padding: var(--space-1) var(--space-3);

  /* Typography */
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
  white-space: nowrap;

  /* Borders */
  border-radius: var(--radius-full);

  /* Effects */
  transition: background-color var(--transition-base) var(--ease-in-out),
              filter var(--transition-base) var(--ease-in-out),
              opacity var(--transition-base) var(--ease-in-out),
              transform var(--transition-base) var(--ease-in-out);

  /* User Interaction */
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* --- Variant Colors --- */
.status-chip--default {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.status-chip--success {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.status-chip--warning {
  background: var(--color-warning-100);
  color: var(--color-warning-700);
}

.status-chip--danger {
  background: var(--color-danger-100);
  color: var(--color-danger-700);
}

.status-chip--info {
  background: var(--color-info-100);
  color: var(--color-info-700);
}

.status-chip--neutral {
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

/* --- Size Variants --- */
.status-chip--sm {
  padding: var(--space-0-5) var(--space-2);
  font-size: var(--text-xs);
  gap: var(--space-1);
}

.status-chip--md {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  gap: var(--space-2);
}

.status-chip--lg {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-base);
  gap: var(--space-3);
}

/* --- Icon Support --- */
.status-chip__icon {
  display: inline-flex;
  flex-shrink: 0;
  width: 12px;
  height: 12px;
}

.status-chip--sm .status-chip__icon {
  width: 10px;
  height: 10px;
}

.status-chip--lg .status-chip__icon {
  width: 14px;
  height: 14px;
}

/* --- Status Dot --- */
.status-chip__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: currentColor;
  flex-shrink: 0;
}

.status-chip--sm .status-chip__dot {
  width: 6px;
  height: 6px;
}

.status-chip--lg .status-chip__dot {
  width: 10px;
  height: 10px;
}

/* --- Chip Text --- */
.status-chip__text {
  display: inline-block;
}

/* --- Dismiss Button --- */
.status-chip__dismiss {
  /* Display */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  /* Sizing */
  width: 16px;
  height: 16px;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: 0;
  margin: calc((var(--touch-target-min) - 16px) / -2);
  margin-left: var(--space-1);

  /* Colors */
  background: none;
  color: currentColor;

  /* Borders */
  border: none;
  border-radius: var(--radius-sm);

  /* Effects */
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-base) var(--ease-in-out),
              background-color var(--transition-base) var(--ease-in-out);

  /* Remove default button styles */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.status-chip__dismiss:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
}

.status-chip__dismiss:focus {
  outline: none;
  opacity: 1;
}

.status-chip__dismiss:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
  opacity: 1;
}

.status-chip__dismiss svg {
  display: block;
  width: 12px;
  height: 12px;
  pointer-events: none;
}

/* --- Clickable State --- */
.status-chip--clickable {
  cursor: pointer;
}

.status-chip--clickable:hover {
  filter: brightness(0.95);
}

.status-chip--clickable:active {
  filter: brightness(0.9);
}

/* --- Dismissing Animation --- */
.status-chip--dismissing {
  animation: chip-dismiss 0.2s ease-out forwards;
}

@keyframes chip-dismiss {
  to {
    opacity: 0;
    transform: scale(0.8);
  }
}

/* --- Dark Mode Support --- */
@media (prefers-color-scheme: dark) {
  .status-chip--default {
    background: var(--color-gray-800);
    color: var(--color-gray-200);
  }

  .status-chip--neutral {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
  }

  .status-chip__dismiss:hover {
    background: rgba(255, 255, 255, 0.1);
  }
}

/* ============================================================================
   ACCESSIBILITY & RESPONSIVE UTILITIES
   ========================================================================= */

/* --- Reduced Motion Support --- */
/* Phase 7: Enhanced accessibility for motion-sensitive users */
@media (prefers-reduced-motion: reduce) {
  /* Disable all transitions on interactive components */
  .btn,
  .card,
  .badge,
  .form-field__input,
  .table tbody tr,
  .alert,
  .alert__close,
  .metric-tile,
  .admin-nav__link,
  .admin-nav__toggle,
  .admin-nav__toggle-icon span,
  .modal,
  .modal__close,
  .modal-backdrop,
  .tabs__tab,
  .tooltip,
  .status-chip,
  .status-chip__dismiss,
  .dropdown__select,
  .card--hoverable {
    transition: none !important;
    animation: none !important;
  }

  /* Remove hover transforms that create motion */
  .btn:hover,
  .card--hoverable:hover,
  .metric-tile--clickable:hover {
    transform: none !important;
  }

  /* Neutralize all keyframe animations */
  @keyframes btn-spin {
    to {
      transform: none;
    }
  }

  @keyframes modal-slide-up {
    from {
      opacity: 1;
      transform: translateY(0);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes chip-dismiss {
    to {
      opacity: 0;
      transform: none;
    }
  }

  /* Instantly remove dismissing elements */
  .status-chip--dismissing {
    display: none;
  }

  /* Disable tooltip transitions */
  .tooltip--show {
    transition: none;
    opacity: 1;
    visibility: visible;
  }
}

/* --- Focus Visible Enhancement for Keyboard Users --- */
.btn:focus-visible,
.form-field__input:focus-visible,
.alert__close:focus-visible,
.metric-tile--clickable:focus-visible,
.admin-nav__link:focus-visible,
.admin-nav__toggle:focus-visible,
.modal__close:focus-visible {
  outline: var(--border-2) solid var(--color-border-focus);
  outline-offset: var(--ring-offset);
}

/* --- Print Styles --- */
@media print {
  .btn,
  .alert__close,
  .admin-nav__toggle,
  .modal__close {
    box-shadow: none;
  }

  .card,
  .metric-tile,
  .admin-header,
  .admin-nav {
    box-shadow: none;
    border: var(--border-1) solid var(--color-border-primary);
  }

  .table {
    box-shadow: none;
  }

  .btn--loading::after {
    display: none;
  }

  /* Hide mobile menu toggle in print */
  .admin-nav__toggle {
    display: none;
  }

  /* Show all nav links in print */
  .admin-nav__list {
    display: flex !important;
  }

  /* Hide modals in print */
  .modal-backdrop {
    display: none !important;
  }
}