/* MaV Design System — Shared Layout + Component Utilities */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--mav-fg);
  background: var(--mav-bg);
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s, color 0.2s;
}

/* ── Doc layout ───────────────────────────────────────────────────────── */
.doc-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.doc-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--mav-border);
  padding: 24px 0;
  background: var(--mav-bg);
}

.doc-main {
  padding: 48px 64px;
  max-width: 1100px;
}

/* ── Sidebar nav ──────────────────────────────────────────────────────── */
.sidebar-logo {
  padding: 0 24px 20px;
  border-bottom: 1px solid var(--mav-border);
  margin-bottom: 16px;
}

.sidebar-logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.sidebar-logo-icon {
  width: 32px; height: 32px;
  background: var(--mav-primary);
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.sidebar-logo-icon svg { fill: var(--bc-white); }
[data-theme="dark"] .sidebar-logo-icon svg { fill: var(--bc-black); }

.sidebar-logo-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--mav-fg);
  letter-spacing: -0.01em;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mav-muted);
  padding: 16px 24px 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 1px 12px;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--mav-muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.sidebar-link-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--mav-muted);
  transition: color 0.15s;
}

.sidebar-link-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-link:hover {
  color: var(--mav-fg);
  background: var(--mav-border);
}

.sidebar-link:hover .sidebar-link-icon { color: var(--mav-fg); }

.sidebar-link.active {
  color: var(--mav-fg);
  font-weight: 600;
  background: var(--mav-bg-secondary);
}

.sidebar-link.active .sidebar-link-icon { color: var(--mav-primary); }

/* ── Page header ──────────────────────────────────────────────────────── */
.page-header { margin-bottom: 48px; }

.page-breadcrumb {
  font-size: 12px;
  color: var(--mav-muted);
  margin-bottom: 8px;
}

.page-breadcrumb a { color: var(--mav-primary); text-decoration: none; }

.page-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--mav-fg);
  line-height: 1.2;
}

.page-desc {
  font-size: 16px;
  color: var(--mav-muted);
  margin-top: 8px;
  max-width: 560px;
}

/* ── Section ──────────────────────────────────────────────────────────── */
.section { margin-bottom: 56px; }

.section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--mav-fg);
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}

.section-desc {
  font-size: 13px;
  color: var(--mav-muted);
  margin-bottom: 20px;
}

.section-divider {
  height: 1px;
  background: var(--mav-border);
  margin: 40px 0;
}

/* ── Component preview card ───────────────────────────────────────────── */
.preview-card {
  border: 1px solid var(--mav-border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
}

.preview-canvas {
  padding: 40px;
  background: var(--mav-bg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.preview-canvas.dark-bg {
  background: var(--bc-black);
}

.preview-canvas.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.preview-meta {
  padding: 14px 20px;
  background: var(--mav-bg-secondary);
  border-top: 1px solid var(--mav-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--mav-fg);
}

.preview-sublabel {
  font-size: 11px;
  color: var(--mav-muted);
}

/* ── Color swatch ─────────────────────────────────────────────────────── */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
}

.swatch {
  border-radius: 8px;
  overflow: hidden;
  cursor: default;
}

.swatch-color {
  height: 60px;
  width: 100%;
}

.swatch-info {
  padding: 6px 8px;
  background: var(--mav-bg);
  border: 1px solid var(--mav-border);
  border-top: none;
  border-radius: 0 0 8px 8px;
}

.swatch-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--mav-fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.swatch-hex {
  font-size: 10px;
  color: var(--mav-muted);
  font-family: var(--font-mono);
}

/* ── Token row ────────────────────────────────────────────────────────── */
.token-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.token-table th {
  text-align: left;
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mav-muted);
  border-bottom: 1px solid var(--mav-border);
}

.token-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--mav-border);
  vertical-align: middle;
}

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

.token-name {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mav-primary);
}

.token-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mav-muted);
}

.token-swatch-sm {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.08);
  vertical-align: middle;
  margin-right: 6px;
}

/* ── Chip / Badge ─────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
}

.badge-primary { background: var(--mav-primary); color: var(--bc-white); }
[data-theme="dark"] .badge-primary { color: var(--bc-black); }
.badge-success  { background: color-mix(in srgb, var(--mav-success) 12%, transparent); color: var(--mav-success); }
.badge-warning  { background: color-mix(in srgb, var(--mav-warning) 12%, transparent); color: var(--mav-warning); }
.badge-danger   { background: color-mix(in srgb, var(--mav-danger) 10%, transparent); color: var(--mav-danger); }
.badge-neutral  { background: var(--mav-border); color: var(--mav-muted); }

/* ── Theme toggle ─────────────────────────────────────────────────────── */
.theme-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--mav-border);
  background: var(--mav-bg);
  color: var(--mav-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.theme-btn:hover {
  background: var(--mav-border);
  color: var(--mav-fg);
}

/* ── Top bar ──────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 48px;
  background: var(--mav-bg);
  border-bottom: 1px solid var(--mav-border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.topbar-back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--mav-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.topbar-back:hover { color: var(--mav-fg); }

.topbar-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--mav-fg);
}

.topbar-spacer { flex: 1; }

/* ── Grid layouts ─────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-sidebar { display: none; }
  .doc-main { padding: 24px 20px; }
}

/* ── Code block ───────────────────────────────────────────────────────── */
.code-block {
  background: var(--mav-code-bg);
  border-radius: 8px;
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--bc-mono100-l);
  margin: 12px 0;
}

.code-block .token-k { color: var(--mav-primary-dark); }
.code-block .token-s { color: var(--mav-tertiary-1); }
.code-block .token-c { color: var(--bc-mono600-l); }

/* ── Spacing guide ────────────────────────────────────────────────────── */
.space-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--mav-border);
}

.space-bar {
  background: var(--mav-primary);
  height: 16px;
  border-radius: 2px;
  opacity: 0.7;
}

.space-label { font-size: 12px; font-family: var(--font-mono); color: var(--mav-fg); min-width: 80px; }
.space-desc  { font-size: 12px; color: var(--mav-muted); }

/* ── Scrollbar ────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--mav-border); border-radius: 9999px; }

/* ═══════════════════════════════════════════════════════════════════════
   MOTION LAYER — global microanimations, applied to every page.
   Smooth + clean: responsive interactive feedback, a soft content reveal,
   and a whole-page cross-fade when switching light/dark.
   All gated behind prefers-reduced-motion.
   ═══════════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: no-preference) {

  /* interactive feedback on primitives that don't already define their own */
  button, a, summary, [role="button"],
  input, select, textarea,
  .swatch, .token-swatch, .token-swatch-sm,
  .sidebar-link, .theme-btn {
    transition: background-color .18s ease, border-color .18s ease,
                color .18s ease, box-shadow .2s ease, transform .12s ease, opacity .18s ease;
  }

  /* universal, subtle press — component-specific rules (bigger scales) still win */
  button:not(:disabled):active,
  [role="button"]:active { transform: scale(.97); }

  /* the docs theme toggle + back link get a gentle lift */
  .theme-btn:hover, .topbar-back:hover { transform: translateY(-1px); }

  /* demo cards: soft reveal on load + hover elevation */
  .preview-card {
    animation: mav-rise .5s cubic-bezier(.22, .9, .3, 1) both;
    transition: box-shadow .25s ease, border-color .2s ease;
  }
  .preview-card:hover { box-shadow: 0 10px 34px rgba(0, 0, 0, .07); }
  .section:nth-of-type(2) .preview-card { animation-delay: .04s; }
  .section:nth-of-type(3) .preview-card { animation-delay: .08s; }
  .section:nth-of-type(4) .preview-card { animation-delay: .12s; }

  /* token table rows wake up on hover */
  .token-table tbody tr { transition: background-color .15s ease; }
  .token-table tbody tr:hover { background: var(--mav-bg-secondary); }

  @keyframes mav-rise {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: none; }
  }
}

/* Whole-page cross-fade when toggling light/dark (added briefly by theme.js) */
html.theme-anim,
html.theme-anim *:not(svg):not(path):not(.dp-ind):not(.pg-ind) {
  transition: background-color .38s ease, color .38s ease,
              border-color .38s ease, fill .38s ease, stroke .38s ease, box-shadow .38s ease !important;
}

/* Animated numbers — a stepped value slides in directionally: up when it
   increases, down when it decreases (matches the pagination page count).
   Opt in with class "mav-num"; js/theme.js toggles the direction class. */
.mav-num { display: inline-block; }
@media (prefers-reduced-motion: no-preference) {
  .mav-num.mav-num-up   { animation: mav-num-up   .34s cubic-bezier(.34, 1.3, .4, 1); }
  .mav-num.mav-num-down { animation: mav-num-down .34s cubic-bezier(.34, 1.3, .4, 1); }
}
@keyframes mav-num-up   { from { opacity: 0; transform: translateY(9px);  } to { opacity: 1; transform: none; } }
@keyframes mav-num-down { from { opacity: 0; transform: translateY(-9px); } to { opacity: 1; transform: none; } }

/* Respect users who prefer less motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}