/* ============================================================
   Token browser showcase shell
   ============================================================ */

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

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--ui-font-sans);
  font-size: 14px;
  line-height: 1.5;
  background: var(--color-bg-canvas);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---- Topbar ---- */
.tok-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.5rem;
  background: color-mix(in srgb, var(--color-surface-default) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.tok-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.tok-breadcrumb a:hover { color: var(--color-text-primary); }

.tok-breadcrumb-sep {
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
}

.tok-breadcrumb strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.tok-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---- Control toggles ---- */
.ctrl-toggle {
  display: inline-flex;
  align-self: flex-start;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 1px;
}

.ctrl-toggle button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-family: var(--ui-font-sans);
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1.4;
  font-weight: 400;
  transition: background var(--motion-fast) var(--easing-standard),
              color var(--motion-fast) var(--easing-standard);
}

.ctrl-toggle button[aria-pressed="true"] {
  background: var(--color-surface-default);
  color: var(--color-text-primary);
  font-weight: 500;
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
}

.ctrl-select {
  appearance: none;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  padding: 4px 28px 4px 12px;
  font-size: 0.75rem;
  font-family: var(--ui-font-sans);
  color: var(--color-text-primary);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

/* ---- App body ---- */
.tok-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: calc(100vh - 3rem);
}

/* ---- Sidebar ---- */
.tok-side {
  position: sticky;
  top: 3rem;
  height: calc(100vh - 3rem);
  overflow-y: auto;
  border-inline-end: 1px solid var(--color-border-subtle);
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tok-side-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 0.5rem;
  margin-bottom: 0.25rem;
}

.tok-nav-item {
  display: block;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  transition: background var(--motion-fast) var(--easing-standard),
              color var(--motion-fast) var(--easing-standard);
}

.tok-nav-item:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
}

/* ---- Main content ---- */
.tok-main {
  padding: 2rem 2.5rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tok-page-hero {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 2.5rem;
}

.tok-page-eyebrow {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin: 0 0 0.5rem;
}

.tok-page-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.625rem;
}

.tok-page-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 52ch;
  line-height: 1.65;
}

/* ---- Token section ---- */
.tok-section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.tok-section:last-child { border-bottom: 0; }

.tok-section-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  margin: 0 0 0.25rem;
}

.tok-section-desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ---- Token group (sub-section) ---- */
.tok-group {
  margin-top: 1.75rem;
}

.tok-group-name {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}

/* ---- Swatch grid ---- */
.tok-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---- Token card ---- */
.tok-card {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  width: 120px;
}

/* ---- Colour swatch ---- */
.tok-swatch {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
}

.tok-swatch--text {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--color-surface-default) !important;
  border: 1px solid var(--color-border-subtle);
  letter-spacing: -0.02em;
}

.tok-swatch--border {
  background: var(--color-surface-default) !important;
  border-width: 2px !important;
}

/* ---- Token label ---- */
.tok-label {
  font-size: 0.625rem;
  color: var(--color-text-secondary);
  word-break: break-all;
  line-height: 1.35;
  font-family: monospace;
}

/* ---- Shadow group ---- */
.tok-shadow-card {
  width: 180px;
  height: 80px;
  border-radius: var(--radius-md);
  background: var(--color-surface-default);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1rem;
}

.tok-shadow-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  margin-top: 1.25rem;
}

.tok-shadow-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ---- Spacing scale ---- */
.tok-scale {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.25rem;
  max-width: 560px;
}

.tok-bar-row {
  display: grid;
  grid-template-columns: 9rem 1fr 7rem;
  align-items: center;
  gap: 1rem;
}

.tok-bar-name {
  font-size: 0.6875rem;
  color: var(--color-text-secondary);
  font-family: monospace;
}

.tok-bar-track {
  height: 20px;
  display: flex;
  align-items: center;
}

.tok-bar {
  height: 8px;
  background: var(--color-action-primary-bg);
  border-radius: 4px;
  min-width: 2px;
}

.tok-bar-val {
  font-size: 0.6875rem;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  text-align: end;
}

/* ---- Radius ---- */
.tok-radius-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1.25rem;
  align-items: flex-end;
}

.tok-radius-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
}

.tok-radius-swatch {
  width: 72px;
  height: 72px;
  background: var(--color-action-secondary-bg);
  border: 2px solid var(--color-action-primary-bg);
}

/* ---- Typography scale ---- */
.tok-type-list {
  display: flex;
  flex-direction: column;
  margin-top: 1.25rem;
}

.tok-type-row {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.tok-type-row:last-child { border-bottom: 0; }

.tok-type-meta {
  width: 8rem;
  flex-shrink: 0;
}

.tok-type-token {
  font-size: 0.625rem;
  color: var(--color-text-tertiary);
  font-family: monospace;
  margin-top: 0.125rem;
}

.tok-type-sample {
  color: var(--color-text-primary);
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ---- Motion ---- */
.tok-motion-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1.25rem;
}

.tok-motion-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tok-motion-demo {
  width: 48px;
  height: 48px;
  background: var(--color-action-primary-bg);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.tok-motion-demo:hover {
  transform: translateY(-10px);
}

.tok-motion-fast { transition: transform var(--motion-fast) var(--easing-standard); }
.tok-motion-normal { transition: transform var(--motion-normal) var(--easing-standard); }

/* ---- Responsive ---- */
@media (max-width: 680px) {
  .tok-body { grid-template-columns: 1fr; }
  .tok-side { display: none; }
  .tok-main { padding: 1.5rem 1rem 4rem; }
}