/**
 * Mahindra CMS Admin — Design System Tokens
 * 8px grid, brand colors, typography, elevation
 */
:root {
  /* Brand */
  --admin-brand: #dd042b;
  --admin-brand-hover: #b80324;
  --admin-brand-light: rgba(221, 4, 43, 0.08);
  --admin-accent: #0e9ab8;
  --admin-accent-light: rgba(14, 154, 184, 0.1);

  /* Surfaces */
  --admin-surface: #ffffff;
  --admin-bg: #f1f5f9;
  --admin-border: #e2e8f0;
  --admin-border-strong: #cbd5e1;

  /* Text */
  --admin-text: #0f172a;
  --admin-text-secondary: #475569;
  --admin-text-muted: #64748b;
  --admin-text-inverse: #ffffff;

  /* Semantic */
  --admin-success: #15803d;
  --admin-success-bg: rgba(21, 128, 61, 0.1);
  --admin-warning: #d97706;
  --admin-warning-bg: rgba(217, 119, 6, 0.1);
  --admin-danger: #dc2626;
  --admin-danger-bg: rgba(220, 38, 38, 0.1);
  --admin-info: #0e9ab8;
  --admin-info-bg: rgba(14, 154, 184, 0.1);

  /* Spacing (8px grid) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;

  /* Radii */
  --admin-radius-sm: 6px;
  --admin-radius: 8px;
  --admin-radius-lg: 12px;
  --admin-radius-xl: 16px;
  --admin-radius-full: 9999px;

  /* Shadows */
  --admin-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --admin-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  --admin-shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --admin-shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.1);

  /* Transitions */
  --admin-transition: 150ms ease;
  --admin-transition-slow: 250ms ease;

  /* Z-index */
  --admin-z-sidebar: 1050;
  --admin-z-header: 1040;
  --admin-z-dropdown: 1055;
  --admin-z-modal: 1060;
  --admin-z-toast: 1070;

  /* Typography */
  --admin-font: "Open Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --admin-font-display: "Georama", var(--admin-font);
  --admin-text-xs: 0.75rem;
  --admin-text-sm: 0.8125rem;
  --admin-text-base: 0.875rem;
  --admin-text-lg: 1.125rem;
  --admin-text-xl: 1.5rem;

  /* Layout */
  --admin-sidenav-width: 15.625rem;
  --admin-sidenav-collapsed: 6rem;
  --admin-main-gutter: 15px;
  --admin-header-height: 3.5rem;
  --admin-footer-height: 3rem;

  /* Bootstrap overrides */
  --bs-primary: #dd042b;
  --bs-primary-rgb: 221, 4, 43;
  --bs-link-color: var(--admin-accent);
  --bs-link-hover-color: var(--admin-brand-hover);
  --bs-body-font-family: var(--admin-font);
  --bs-body-color: var(--admin-text);
  --bs-body-bg: var(--admin-bg);
  --bs-border-color: var(--admin-border);
  --bs-border-radius: var(--admin-radius);
  --bs-border-radius-lg: var(--admin-radius-lg);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus ring utility */
.focus-ring:focus-visible,
.admin-focus-ring:focus-visible {
  outline: 2px solid var(--admin-accent);
  outline-offset: 2px;
}

/* Skip link */
.admin-skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2);
  z-index: 9999;
  padding: var(--space-1) var(--space-2);
  background: var(--admin-brand);
  color: var(--admin-text-inverse);
  border-radius: var(--admin-radius);
  text-decoration: none;
  font-size: var(--admin-text-sm);
  font-weight: 600;
}

.admin-skip-link:focus {
  top: var(--space-1);
}

/* Required field marker */
.admin-required::after {
  content: ' *';
  color: var(--admin-danger);
  font-weight: 700;
}

.admin-field-error {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--admin-text-xs);
  color: var(--admin-danger);
}

.admin-page-header__title,
.admin-page-header .card-title {
  font-family: var(--admin-font-display);
  font-size: var(--admin-text-xl);
  font-weight: 700;
  line-height: 1.25;
  color: var(--admin-text);
}

.admin-btn.is-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.72;
}

.admin-btn.is-loading::after {
  content: '';
  width: 0.875rem;
  height: 0.875rem;
  margin-left: 0.5rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  display: inline-block;
  vertical-align: -0.1rem;
  animation: admin-spin 0.6s linear infinite;
}

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

.filterOverlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: calc(var(--admin-z-sidebar) - 1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--admin-transition-slow), visibility var(--admin-transition-slow);
}

.filterOverlay.active {
  opacity: 1;
  visibility: visible;
}

.filterSidebar {
  z-index: var(--admin-z-sidebar);
}

a.admin-btn,
button.admin-btn,
.admin-btn {
  cursor: pointer;
}