/**
 * AeroApp Design System v2.0.0
 * Material Design 3 Component Library
 * 
 * This file implements Material Design 3 components using the Stitch color tokens.
 * Requires: design-tokens-stitch-generated.css (loaded first)
 * 
 * Features:
 * - Solid cards (no transparency/blur)
 * - Strong typography hierarchy
 * - 8px border-radius maximum
 * - WCAG AA accessible colors
 * - Light/dark mode support
 * - Smooth transitions (0.2s)
 */

/* ===== GLOBAL TYPOGRAPHY & SIZING ===== */
:root {
  /* Typography Scale */
  --md-display-large-size: 57px;
  --md-display-large-weight: 400;
  --md-display-large-line-height: 64px;
  --md-display-large-tracking: -0.25px;

  --md-display-medium-size: 45px;
  --md-display-medium-weight: 400;
  --md-display-medium-line-height: 52px;

  --md-headline-large-size: 32px;
  --md-headline-large-weight: 700;
  --md-headline-large-line-height: 40px;

  --md-headline-medium-size: 28px;
  --md-headline-medium-weight: 700;
  --md-headline-medium-line-height: 36px;

  --md-headline-small-size: 24px;
  --md-headline-small-weight: 700;
  --md-headline-small-line-height: 32px;

  --md-title-large-size: 22px;
  --md-title-large-weight: 700;
  --md-title-large-line-height: 28px;

  --md-title-medium-size: 16px;
  --md-title-medium-weight: 700;
  --md-title-medium-line-height: 24px;

  --md-title-small-size: 14px;
  --md-title-small-weight: 700;
  --md-title-small-line-height: 20px;

  --md-body-large-size: 16px;
  --md-body-large-weight: 400;
  --md-body-large-line-height: 24px;

  --md-body-medium-size: 14px;
  --md-body-medium-weight: 500;
  --md-body-medium-line-height: 20px;

  --md-body-small-size: 12px;
  --md-body-small-weight: 400;
  --md-body-small-line-height: 16px;

  --md-label-large-size: 14px;
  --md-label-large-weight: 700;
  --md-label-large-line-height: 20px;

  --md-label-medium-size: 12px;
  --md-label-medium-weight: 700;
  --md-label-medium-line-height: 16px;

  --md-label-small-size: 11px;
  --md-label-small-weight: 700;
  --md-label-small-line-height: 16px;

  /* Spacing Scale */
  --md-spacing-0: 0px;
  --md-spacing-1: 4px;
  --md-spacing-2: 8px;
  --md-spacing-3: 12px;
  --md-spacing-4: 16px;
  --md-spacing-5: 20px;
  --md-spacing-6: 24px;
  --md-spacing-7: 28px;
  --md-spacing-8: 32px;

  /* Corner Radius (8px max per Material Design 3 spec) */
  --md-shape-corner-xs: 4px;
  --md-shape-corner-sm: 6px;
  --md-shape-corner-md: 8px;
  --md-shape-corner-lg: 8px;

  /* Shadows */
  --md-shadow-none: 0 0 0 0 rgba(0, 0, 0, 0);
  --md-shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.3),
    0 1px 3px 1px rgba(0, 0, 0, 0.15);
  --md-shadow-2: 0 1px 2px 0 rgba(0, 0, 0, 0.3),
    0 2px 6px 2px rgba(0, 0, 0, 0.15);
  --md-shadow-3: 0 3px 6px 0 rgba(0, 0, 0, 0.3),
    0 1px 3px 0 rgba(0, 0, 0, 0.12);
  --md-shadow-4: 0 4px 8px 0 rgba(0, 0, 0, 0.4);
  --md-shadow-5: 0 8px 12px 0 rgba(0, 0, 0, 0.3),
    0 4px 4px 0 rgba(0, 0, 0, 0.38);

  /* Transition Times */
  --md-transition-short: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --md-transition-medium: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --md-transition-long: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== BASE ELEMENTS ===== */

body,
html {
  background-color: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  font-size: var(--md-body-large-size);
  font-weight: var(--md-body-large-weight);
  line-height: var(--md-body-large-line-height);
  transition: background-color var(--md-transition-short),
    color var(--md-transition-short);
}

h1 {
  font-size: var(--md-headline-large-size);
  font-weight: var(--md-headline-large-weight);
  line-height: var(--md-headline-large-line-height);
  color: var(--md-sys-color-on-background);
  margin: var(--md-spacing-6) 0 var(--md-spacing-4) 0;
}

h2 {
  font-size: var(--md-headline-medium-size);
  font-weight: var(--md-headline-medium-weight);
  line-height: var(--md-headline-medium-line-height);
  color: var(--md-sys-color-on-background);
  margin: var(--md-spacing-5) 0 var(--md-spacing-3) 0;
}

h3 {
  font-size: var(--md-headline-small-size);
  font-weight: var(--md-headline-small-weight);
  line-height: var(--md-headline-small-line-height);
  color: var(--md-sys-color-on-background);
  margin: var(--md-spacing-4) 0 var(--md-spacing-2) 0;
}

h4,
h5,
h6 {
  font-size: var(--md-title-large-size);
  font-weight: var(--md-title-large-weight);
  line-height: var(--md-title-large-line-height);
  color: var(--md-sys-color-on-background);
  margin: var(--md-spacing-4) 0 var(--md-spacing-2) 0;
}

p {
  margin: var(--md-spacing-3) 0;
}

a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
  transition: color var(--md-transition-short);
}

a:hover {
  color: var(--md-sys-color-primary-80);
  text-decoration: underline;
}

/* ===== CARDS ===== */

.card,
.card-elevated,
.card-filled,
.card-outlined {
  border-radius: var(--md-shape-corner-md);
  padding: var(--md-spacing-4);
  transition: background-color var(--md-transition-short),
    box-shadow var(--md-transition-short);
}

.card,
.card-elevated {
  /* Solid surface with shadow (primary card style) */
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-shadow-1);
}

.card:hover,
.card-elevated:hover {
  box-shadow: var(--md-shadow-2);
}

.card-filled {
  /* Filled background variant */
  background-color: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
}

.card-outlined {
  /* Border-based variant */
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  border: 1px solid var(--md-sys-color-outline);
}

/* Card with primary accent (for important sections) */
.card.primary-accent {
  border-left: 4px solid var(--md-sys-color-primary);
}

.card.secondary-accent {
  border-left: 4px solid var(--md-sys-color-secondary);
}

.card.tertiary-accent {
  border-left: 4px solid var(--md-sys-color-tertiary);
}

.card.error-accent {
  border-left: 4px solid var(--md-sys-color-error);
}

/* ===== BUTTONS ===== */

.btn,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--md-spacing-2);
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  line-height: var(--md-label-large-line-height);
  padding: var(--md-spacing-2) var(--md-spacing-4);
  border-radius: var(--md-shape-corner-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--md-transition-short);
  text-decoration: none;
}

/* Filled Button (primary) */
.btn.filled,
button:not([class]) {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  box-shadow: var(--md-shadow-1);
}

.btn.filled:hover,
button:not([class]):hover {
  background-color: var(--md-sys-color-primary-80);
  box-shadow: var(--md-shadow-2);
}

.btn.filled:active,
button:not([class]):active {
  background-color: var(--md-sys-color-primary-70);
  box-shadow: var(--md-shadow-1);
}

.btn.filled:disabled,
button:not([class]):disabled {
  background-color: rgba(
    var(--md-sys-color-on-surface-rgb, 26 26 26),
    0.12
  );
  color: rgba(var(--md-sys-color-on-surface-rgb, 26 26 26), 0.38);
  box-shadow: var(--md-shadow-none);
  cursor: not-allowed;
}

/* Tonal Button (secondary action) */
.btn.tonal {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.btn.tonal:hover {
  background-color: var(--md-sys-color-secondary-80);
  color: var(--md-sys-color-on-secondary);
}

/* Outlined Button */
.btn.outlined {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline);
}

.btn.outlined:hover {
  background-color: rgba(var(--md-sys-color-primary-rgb, 0 157 170), 0.08);
  border-color: var(--md-sys-color-primary);
}

/* Text Button (minimal) */
.btn.text {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  padding: var(--md-spacing-2) var(--md-spacing-3);
}

.btn.text:hover {
  background-color: rgba(var(--md-sys-color-primary-rgb, 0 157 170), 0.08);
}

/* Button Sizes */
.btn.sm {
  padding: var(--md-spacing-1) var(--md-spacing-3);
  font-size: var(--md-label-small-size);
}

.btn.lg {
  padding: var(--md-spacing-3) var(--md-spacing-6);
  font-size: var(--md-label-large-size);
}

/* ===== NAVIGATION ===== */

.navbar,
.nav-bar {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-4);
  padding: var(--md-spacing-3) var(--md-spacing-4);
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  box-shadow: var(--md-shadow-1);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--md-transition-short);
}

.navbar.elevated {
  box-shadow: var(--md-shadow-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--md-spacing-2);
  padding: var(--md-spacing-2) var(--md-spacing-3);
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--md-transition-short);
}

.nav-item:hover,
.nav-item.active {
  color: var(--md-sys-color-primary);
  background-color: var(--md-sys-color-primary-container);
  border-radius: var(--md-shape-corner-sm);
}

/* ===== FORMS ===== */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--md-spacing-2);
  margin-bottom: var(--md-spacing-4);
}

label {
  font-size: var(--md-label-large-size);
  font-weight: var(--md-label-large-weight);
  color: var(--md-sys-color-on-surface);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  display: block;
  width: 100%;
  padding: var(--md-spacing-3);
  font-size: var(--md-body-medium-size);
  line-height: var(--md-body-medium-line-height);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-shape-corner-sm);
  background-color: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-on-surface);
  transition: all var(--md-transition-short);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--md-sys-color-primary);
  background-color: var(--md-sys-color-surface);
  box-shadow: 0 0 0 3px
    rgba(var(--md-sys-color-primary-rgb, 0 157 170), 0.1);
}

input[type="text"]:disabled,
input[type="email"]:disabled,
input[type="password"]:disabled,
input[type="number"]:disabled,
input[type="date"]:disabled,
textarea:disabled,
select:disabled {
  background-color: var(--md-sys-color-surface-container);
  color: rgba(var(--md-sys-color-on-surface-rgb, 26 26 26), 0.38);
  cursor: not-allowed;
}

/* ===== TABLES ===== */

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  border-radius: var(--md-shape-corner-md);
  overflow: hidden;
  box-shadow: var(--md-shadow-1);
}

thead {
  background-color: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  font-weight: 700;
}

th {
  padding: var(--md-spacing-3) var(--md-spacing-4);
  text-align: left;
  font-size: var(--md-label-medium-size);
}

td {
  padding: var(--md-spacing-3) var(--md-spacing-4);
  border-top: 1px solid var(--md-sys-color-outline-variant);
  font-size: var(--md-body-medium-size);
}

tbody tr:hover {
  background-color: var(--md-sys-color-surface-container-low);
}

/* ===== ALERTS & STATUS ===== */

.alert,
.alert-success,
.alert-warning,
.alert-error,
.alert-info {
  padding: var(--md-spacing-4);
  border-radius: var(--md-shape-corner-md);
  border-left: 4px solid transparent;
  display: flex;
  gap: var(--md-spacing-3);
  align-items: flex-start;
  margin-bottom: var(--md-spacing-4);
}

.alert-success {
  background-color: rgba(var(--md-sys-color-primary-rgb, 0 157 170), 0.08);
  border-left-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-primary);
}

.alert-warning {
  background-color: rgba(var(--md-sys-color-tertiary-rgb, 141 84 27), 0.08);
  border-left-color: var(--md-sys-color-tertiary);
  color: var(--md-sys-color-tertiary);
}

.alert-error {
  background-color: rgba(var(--md-sys-color-error-rgb, 179 38 30), 0.08);
  border-left-color: var(--md-sys-color-error);
  color: var(--md-sys-color-error);
}

.alert-info {
  background-color: rgba(var(--md-sys-color-secondary-rgb, 53 114 119), 0.08);
  border-left-color: var(--md-sys-color-secondary);
  color: var(--md-sys-color-secondary);
}

/* ===== UTILITY CLASSES ===== */

.mt-0 {
  margin-top: var(--md-spacing-0);
}
.mt-1 {
  margin-top: var(--md-spacing-1);
}
.mt-2 {
  margin-top: var(--md-spacing-2);
}
.mt-3 {
  margin-top: var(--md-spacing-3);
}
.mt-4 {
  margin-top: var(--md-spacing-4);
}
.mt-6 {
  margin-top: var(--md-spacing-6);
}

.mb-0 {
  margin-bottom: var(--md-spacing-0);
}
.mb-1 {
  margin-bottom: var(--md-spacing-1);
}
.mb-2 {
  margin-bottom: var(--md-spacing-2);
}
.mb-3 {
  margin-bottom: var(--md-spacing-3);
}
.mb-4 {
  margin-bottom: var(--md-spacing-4);
}
.mb-6 {
  margin-bottom: var(--md-spacing-6);
}

.p-2 {
  padding: var(--md-spacing-2);
}
.p-3 {
  padding: var(--md-spacing-3);
}
.p-4 {
  padding: var(--md-spacing-4);
}
.p-6 {
  padding: var(--md-spacing-6);
}

.gap-1 {
  gap: var(--md-spacing-1);
}
.gap-2 {
  gap: var(--md-spacing-2);
}
.gap-3 {
  gap: var(--md-spacing-3);
}
.gap-4 {
  gap: var(--md-spacing-4);
}

.text-primary {
  color: var(--md-sys-color-primary);
}
.text-secondary {
  color: var(--md-sys-color-secondary);
}
.text-tertiary {
  color: var(--md-sys-color-tertiary);
}
.text-error {
  color: var(--md-sys-color-error);
}
.text-muted {
  color: var(--md-sys-color-on-surface-variant);
}

.bg-primary {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}
.bg-secondary {
  background-color: var(--md-sys-color-secondary);
  color: var(--md-sys-color-on-secondary);
}
.bg-tertiary {
  background-color: var(--md-sys-color-tertiary);
  color: var(--md-sys-color-on-tertiary);
}

.rounded-sm {
  border-radius: var(--md-shape-corner-xs);
}
.rounded {
  border-radius: var(--md-shape-corner-sm);
}
.rounded-md {
  border-radius: var(--md-shape-corner-md);
}

.shadow-1 {
  box-shadow: var(--md-shadow-1);
}
.shadow-2 {
  box-shadow: var(--md-shadow-2);
}
.shadow-3 {
  box-shadow: var(--md-shadow-3);
}

.opacity-50 {
  opacity: 0.5;
}
.opacity-75 {
  opacity: 0.75;
}

/* ===== ACCESSIBILITY ===== */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  .btn,
  button {
    border-width: 2px;
  }

  .card {
    border: 1px solid var(--md-sys-color-outline);
  }
}

/* Print styles */
@media print {
  .navbar,
  .nav-bar,
  .btn.btn-print-hide {
    display: none;
  }

  body {
    background-color: white;
    color: black;
  }

  .card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ===== BACKWARD COMPATIBILITY LAYER ===== */
/* Maps admin.css class names to Material Design 3 Stitch tokens */

/* Admin.css button variants mapped to Material Design button roles */
.btn.btn-primary {
  background-color: var(--md-sys-color-primary, #007d89);
  color: var(--md-sys-color-on-primary, #ffffff);
}

.btn.btn-primary:hover {
  background-color: var(--md-sys-color-primary-80, #5df2ff);
  color: var(--md-sys-color-on-primary, #ffffff);
}

.btn.btn-accent {
  background-color: var(--md-sys-color-secondary, #357277);
  color: var(--md-sys-color-on-secondary, #ffffff);
}

.btn.btn-accent:hover {
  background-color: var(--md-sys-color-secondary-80, #a3f9ff);
  color: var(--md-sys-color-on-secondary, #1a1c1d);
}

.btn.btn-danger {
  background-color: var(--md-sys-color-error, #b3261e);
  color: var(--md-sys-color-on-error, #ffffff);
}

.btn.btn-danger:hover {
  background-color: var(--md-sys-color-error-80, #f2b8b5);
  color: var(--md-sys-color-on-error, #b3261e);
}

.btn.btn-ok {
  background-color: var(--md-sys-color-primary, #007d89);
  color: var(--md-sys-color-on-primary, #ffffff);
}

.btn.btn-ok:hover {
  background-color: var(--md-sys-color-primary-80, #5df2ff);
  color: var(--md-sys-color-on-primary, #1a1c1d);
}

.btn.btn-active {
  background-color: var(--md-sys-color-secondary-container, #a1f0f5);
  color: var(--md-sys-color-on-secondary-container, #001f21);
}

.btn:disabled {
  background-color: rgba(var(--md-sys-color-on-surface-rgb, 26 26 26), 0.12);
  color: rgba(var(--md-sys-color-on-surface-rgb, 26 26 26), 0.38);
  cursor: not-allowed;
}

/* Admin.css card enhancement with Stitch tokens */
.card {
  background-color: var(--md-sys-color-surface, #ffffff);
  color: var(--md-sys-color-on-surface, #1a1c1d);
  border-color: var(--md-sys-color-outline-variant, #c6d0d3);
  box-shadow: var(--md-shadow-1);
}

.card:hover {
  box-shadow: var(--md-shadow-2);
}

/* Admin.css form elements with Stitch tokens */
input[type="text"].btn,
input[type="email"].btn,
input[type="password"].btn,
select.btn,
button.btn {
  border-color: var(--md-sys-color-outline, #909a9d);
  background-color: var(--md-sys-color-surface, #ffffff);
  color: var(--md-sys-color-on-surface, #1a1c1d);
  font-weight: 700;
}

input[type="text"].btn:focus,
input[type="email"].btn:focus,
input[type="password"].btn:focus,
select.btn:focus,
button.btn:focus {
  border-color: var(--md-sys-color-primary, #007d89);
  box-shadow: 0 0 0 3px rgba(0, 125, 137, 0.12);
}

/* Admin.css pill style with Stitch tokens */
.pill {
  background-color: var(--md-sys-color-primary-container, #a8f0ff);
  color: var(--md-sys-color-on-primary-container, #002024);
  border-radius: 999px;
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.pill:hover {
  background-color: var(--md-sys-color-primary-80, #5df2ff);
}

/* Admin.css alert/badge styles with Stitch tokens */
.alert, .badge, .tag {
  border-color: var(--md-sys-color-outline, #909a9d);
  background-color: var(--md-sys-color-surface-container, #f0f0f0);
  color: var(--md-sys-color-on-surface, #1a1c1d);
}

.alert.success, .badge.success, .tag.success {
  background-color: rgba(0, 157, 170, 0.12);
  border-color: var(--md-sys-color-primary, #007d89);
  color: var(--md-sys-color-primary, #007d89);
}

.alert.error, .badge.error, .tag.error {
  background-color: rgba(179, 38, 30, 0.12);
  border-color: var(--md-sys-color-error, #b3261e);
  color: var(--md-sys-color-error, #b3261e);
}

.alert.warning, .badge.warning, .tag.warning {
  background-color: rgba(141, 84, 27, 0.12);
  border-color: var(--md-sys-color-tertiary, #8d541b);
  color: var(--md-sys-color-tertiary, #8d541b);
}

/* Link styling with Stitch tokens */
a, .link {
  color: var(--md-sys-color-primary, #007d89);
}

a:hover, .link:hover {
  color: var(--md-sys-color-primary-80, #5df2ff);
  text-decoration: underline;
}

/* Muted/secondary text with Stitch tokens */
.muted, .secondary {
  color: var(--md-sys-color-on-surface-variant, #505a5b);
}

/* Focus ring consistency */
:focus-visible {
  outline-color: var(--md-sys-color-primary, #007d89);
  outline-width: 3px;
  outline-offset: 2px;
}

/* Dark mode overrides */
@media (prefers-color-scheme: dark) {
  .card {
    background-color: var(--md-sys-color-surface, #1a1c1d);
    color: var(--md-sys-color-on-surface, #f9fafb);
    border-color: var(--md-sys-color-outline-variant, #505a5b);
  }

  .pill {
    background-color: var(--md-sys-color-primary-30, #005d68);
    color: var(--md-sys-color-on-primary-container, #a8f0ff);
  }

  .btn.btn-primary {
    background-color: var(--md-sys-color-primary-80, #5df2ff);
    color: var(--md-sys-color-primary-20, #003d47);
  }

  .btn.btn-primary:hover {
    background-color: var(--md-sys-color-primary-90, #a8f0ff);
    color: var(--md-sys-color-primary-10, #002024);
  }

  .btn.btn-accent {
    background-color: var(--md-sys-color-secondary-80, #a3f9ff);
    color: var(--md-sys-color-secondary-20, #023839);
  }

  .btn.btn-accent:hover {
    background-color: var(--md-sys-color-secondary-90, #c0f8ff);
    color: var(--md-sys-color-secondary-10, #001f21);
  }

  a, .link {
    color: var(--md-sys-color-primary-80, #5df2ff);
  }

  a:hover, .link:hover {
    color: var(--md-sys-color-primary-90, #a8f0ff);
  }

  .muted, .secondary {
    color: var(--md-sys-color-on-surface-variant, #aab4b7);
  }
}