/* Pattern Library Shared Styles */

/* Reset & Base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Roboto", sans-serif;
  background-color: var(--md-sys-color-surface, #fffbfe);
  color: var(--md-sys-color-on-surface, #1d1b20);
}

/* Bare form controls in demo interactive panels (selects, text/range/number
   inputs — the ds-* components manage their own Shadow DOM styling and are
   unaffected by this). These inherit `color` from body but keep the
   browser's native (usually white) widget background, so in dark theme the
   light on-surface text renders on a white control — ~1.3:1 contrast. */
select,
input[type="text"],
input[type="number"],
input[type="range"],
input[type="color"],
textarea {
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--ds-radius-sm);
  font-family: inherit;
}

/* Layout Containers */
.page-container {
  display: flex;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.content-area {
  flex: 1;
  /* Flex items default to min-width:auto, which refuses to shrink below the
     widest unwrapped descendant (the <pre> code samples). That let every demo
     page overflow horizontally on mobile. min-width:0 lets it shrink to the
     viewport; .code-block scrolls its own <pre>, everything else wraps. */
  min-width: 0;
  padding: var(--md-sys-spacing-8, 32px);
  max-width: 1200px;
  overflow-wrap: break-word;
}

/* Mobile Header (for navigation drawer toggle) */
.mobile-header {
  display: none;
  padding: var(--md-sys-spacing-4, 16px);
  border-bottom: 1px solid var(--md-sys-color-outline-variant, #c9c5ca);
  align-items: center;
  gap: var(--md-sys-spacing-3, 12px);
}

@media (max-width: 840px) {
  .mobile-header {
    display: flex;
  }
  .content-area {
    padding: var(--md-sys-spacing-4, 16px);
  }
  /* API tables can't shrink past their content's min width; let them scroll
     within the page instead of widening it. */
  .api-table,
  .content-area table {
    display: block;
    overflow-x: auto;
  }
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 400;
  margin: 0 0 var(--md-sys-spacing-2, 8px) 0;
  color: var(--md-sys-color-on-surface, #1d1b20);
}

h2 {
  font-size: 1.75rem;
  font-weight: 400;
  margin: 0 0 var(--md-sys-spacing-4, 16px) 0;
}

h3 {
  font-size: 1.25rem;
  font-weight: 500;
  margin: var(--md-sys-spacing-6, 24px) 0 var(--md-sys-spacing-3, 12px) 0;
}

.description,
.subtitle {
  font-size: 1rem;
  color: var(--md-sys-color-on-surface-variant, #49454f);
  margin: 0 0 var(--md-sys-spacing-6, 24px) 0;
}

/* Sections */
.section {
  margin-top: var(--md-sys-spacing-8, 32px);
}

/* Demo Boxes */
.demo-box {
  padding: var(--md-sys-spacing-6, 24px);
  background: var(--md-sys-color-surface-container-low, #f7f2fa);
  border-radius: var(--md-sys-shape-corner-large, 16px);
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-sys-spacing-3, 12px);
  align-items: center;
  /* A single wide component (data table, long combobox) scrolls inside the
     box rather than pushing the page wider. */
  overflow-x: auto;
}

.demo-section {
  margin-block: var(--ds-space-8);
  padding: var(--ds-space-6);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--ds-radius-md);
  box-shadow: var(--ds-shadow-1);
}

.demo-section h2 {
  margin-bottom: var(--ds-space-4);
  padding-bottom: var(--ds-space-3);
  border-bottom: 2px solid var(--md-sys-color-outline-variant);
}

.demo-grid {
  display: grid;
  gap: var(--ds-space-4);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Code Blocks */
.code-block {
  background: var(--md-sys-color-surface-variant, #e7e0ec);
  padding: var(--md-sys-spacing-4, 16px);
  border-radius: var(--md-sys-shape-corner-medium, 12px);
  overflow-x: auto;
  margin-top: var(--md-sys-spacing-3, 12px);
}

pre {
  margin: 0;
  font-family: "Courier New", monospace;
  font-size: 0.875rem;
}

code {
  font-family: "Courier New", monospace;
  background: var(--md-sys-color-surface-variant, #e7e0ec);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.875rem;
}

/* Tables */
.api-table,
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--md-sys-spacing-3, 12px);
}

.api-table th,
.api-table td,
table th,
table td {
  text-align: left;
  padding: var(--md-sys-spacing-3, 12px);
  border-bottom: 1px solid var(--md-sys-color-outline-variant, #c9c5ca);
}

.api-table th,
table th {
  background: var(--md-sys-color-surface-variant, #e7e0ec);
  font-weight: 500;
}

/* Theme Switcher (for home page) */
.theme-switcher {
  position: fixed;
  top: var(--ds-space-4);
  right: var(--ds-space-4);
  display: flex;
  gap: var(--ds-space-2);
  padding: var(--ds-space-2);
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--ds-radius-md);
  box-shadow: var(--ds-shadow-2);
  z-index: 1000;
}

.theme-btn {
  padding: var(--ds-space-2) var(--ds-space-3);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--ds-radius-sm);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  transition: all var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
}

.theme-btn:hover {
  background: var(--md-sys-color-surface-container-high);
}

.theme-btn.active {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-color: var(--md-sys-color-primary);
}

/* Mobile Navigation */
#mobile-nav-toggle {
  display: none;
}

@media (max-width: 840px) {
  #mobile-nav-toggle {
    display: inline-flex;
  }
}

/* Color Swatches (for design tokens page) */
.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--md-sys-spacing-4, 16px);
  margin-top: var(--md-sys-spacing-4, 16px);
}

.color-swatch {
  border: 1px solid var(--md-sys-color-outline-variant, #c9c5ca);
  border-radius: var(--md-sys-shape-corner-medium, 12px);
  overflow: hidden;
}

.color-preview {
  height: 80px;
}

.color-info {
  padding: var(--md-sys-spacing-3, 12px);
  background: var(--md-sys-color-surface, #fffbfe);
}

.color-name {
  font-weight: 500;
  margin-bottom: var(--md-sys-spacing-1, 4px);
}

.color-value {
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface-variant, #49454f);
  font-family: "Courier New", monospace;
}

/* Utility Classes */
.flex {
  display: flex;
}

.gap-4 {
  gap: var(--ds-space-4);
}

.flex-wrap {
  flex-wrap: wrap;
}

.align-items-center {
  align-items: center;
}

.align-items-end {
  align-items: flex-end;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--ds-space-4);
}

/* Home component tiles */
.md3-group-heading {
  grid-column: 1/-1;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--md-sys-color-primary);
  margin: 24px 0 8px 0;
}

.tile-card {
  text-decoration: none;
  color: inherit;
  padding: var(--ds-space-5);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--ds-radius-md);
  transition: all 0.2s;
  background: var(--md-sys-color-surface);
  display: block;
}

.tile-card:hover {
  background-color: var(--md-sys-color-surface-variant);
  border-color: var(--md-sys-color-outline);
}

.tile-card h3 {
  margin: 0 0 8px 0;
  color: var(--md-sys-color-primary);
}

.tile-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface-variant);
}