/* Brand page layout styles.
   brand.css is the canonical component layer. This file only handles page
   layout, docs framing, and brand-page-specific presentation. */

@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200');

* { box-sizing: border-box; }
:root { color-scheme: light; }
html, body { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable both-edges;
}
body {
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-family-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: var(--text-link);
  text-decoration: none;
}
a:hover { text-decoration: underline; }
code, pre {
  font-family: var(--font-family-code);
}
/* Inline code — matches needle docs treatment */
:not(pre) > code {
  margin: 0;
  padding: 3px 6px;
  border-radius: 4px;
  background: rgba(142, 150, 170, 0.14);
  font-size: 0.84em;
  overflow-wrap: break-word;
}
.brand-page {
  width: min(1240px, calc(100vw - 40px));
  margin: 0 auto;
  padding: var(--space-page-padding) 0 72px;
  display: grid;
  gap: var(--space-section-gap);
}
.brand-page-chrome {
  display: grid;
  gap: var(--space-section-gap);
}
.header-pill-shell {
  position: sticky;
  top: 12px;
  z-index: 60;
}
.brand-section[id] {
  scroll-margin-top: var(--space-scroll-margin-top, 96px);
}
.brand-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.brand-content {
  display: grid;
  gap: var(--space-section-gap);
  min-width: 0;
}
.brand-sidebar {
  min-width: 0;
  position: sticky;
  top: 5rem;
  z-index: 45;
}
.brand-sidebar-mobile {
  display: none;
}
.brand-sidebar-card {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 4px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}
.brand-sidebar-card::-webkit-scrollbar {
  width: 4px;
}
.brand-sidebar-card::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}
.brand-sidebar-card::-webkit-scrollbar-track {
  background: transparent;
}
.brand-sidebar-label {
  color: var(--text-muted);
  font-family: var(--font-family-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0 0 4px 12px;
  border-left: 2px solid transparent;
}
.brand-sidebar-toggle,
.brand-sidebar-backdrop {
  display: none;
}
.brand-sidebar-nav {
  display: grid;
  gap: 0;
}
.brand-sidebar-link {
  position: relative;
  display: block;
  padding: 0.4rem 0.7rem;
  padding-left: 12px;
  border-left: 2px solid var(--border-subtle);
  border-radius: 0;
  color: var(--text-secondary);
  font-family: var(--font-family-body);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.15s, border-color 0.15s;
}
.brand-sidebar-link.active {
  color: var(--text-primary);
  font-weight: 700;
  border-left-color: var(--accent-brand);
}
.brand-sidebar-link:hover {
  background: transparent;
  color: var(--text-primary);
  border-left-color: var(--accent-brand);
  text-decoration: none;
}
.brand-sidebar-link:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--border-focus) 50%, transparent);
  outline-offset: 2px;
}
.sidebar-copy-btn {
  display: none;
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.brand-sidebar-link:hover .sidebar-copy-btn {
  display: flex;
}
.sidebar-copy-btn:hover {
  background: var(--surface-panel);
  color: var(--text-primary);
}
.sidebar-copy-btn[data-copied="true"] {
  display: flex;
  color: var(--accent-brand);
}
.sidebar-copy-btn svg {
  width: 14px;
  height: 14px;
}
.sidebar-copy-btn[data-copied="true"] svg {
  display: none;
}
.sidebar-copy-btn::after {
  content: '\2713';
  font-size: 0.8rem;
  font-weight: 700;
  opacity: 0;
  position: absolute;
}
.sidebar-copy-btn[data-copied="true"]::after {
  opacity: 1;
}
.hero-card,
.brand-section,
.recipe-preview-card,
.recipe-card,
.logo-card,
.background-card,
.example-card,
.typography-card,
.principle-card {
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-panel);
}
.hero-card {
  border-radius: var(--radius-panel);
  padding: 28px;
  display: grid;
  gap: 18px;
}
.hero-eyebrow {
  width: fit-content;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-family-body);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-title {
  margin: 0;
  font-family: var(--font-family-display);
  font-size: var(--type-page-title-size);
  font-weight: var(--type-page-title-weight);
  line-height: var(--type-page-title-line-height);
  letter-spacing: var(--type-page-title-tracking);
}
.hero-copy {
  margin: 0;
  max-width: 68ch;
  color: var(--text-secondary);
  font-size: var(--type-body-size);
  line-height: var(--type-body-line-height);
}
.brand-section {
  border-radius: var(--radius-panel);
  padding: 28px;
  display: grid;
  gap: 18px;
}
.section-heading {
  display: grid;
  gap: 6px;
}
.section-title {
  margin: 0;
  font-family: var(--font-family-display);
  font-size: var(--type-section-title-size);
  font-weight: var(--type-section-title-weight);
  line-height: var(--type-section-title-line-height);
  letter-spacing: var(--type-section-title-tracking);
}
.section-copy {
  margin: 0;
  color: var(--text-secondary);
  line-height: var(--type-body-line-height);
}
.guideline-list,
.principle-list,
.recipe-detail-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-secondary);
  line-height: var(--type-body-line-height);
}
.color-section-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.color-group-card,
.gradient-card {
  border-radius: var(--radius-card);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
  padding: 18px;
  display: grid;
  gap: 14px;
  align-content: start;
}
.color-group-title,
.gradient-title,
.recipe-card-title,
.principle-card-title,
.typography-card-title {
  margin: 0;
  font-family: var(--font-family-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.color-chip-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.color-chip-root {
  position: relative;
}
.color-chip-trigger {
  width: 100%;
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.55rem 0.8rem;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
}
.color-chip-trigger:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--border-focus) 40%, transparent);
  outline-offset: 2px;
}
.color-chip-swatch {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
  flex: 0 0 auto;
}
.color-chip-name {
  display: block;
  color: var(--text-muted);
  font-family: var(--font-family-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.color-chip-hex {
  display: block;
  color: var(--text-primary);
  font-family: var(--font-family-code);
  font-size: 0.98rem;
  font-weight: 700;
  user-select: text;
  -webkit-user-select: text;
}
#tooltip-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5000;
}
.tooltip-shell {
  position: fixed;
  left: 0;
  top: 0;
  width: min(340px, calc(100vw - 24px));
  padding: 12px;
  border-radius: 18px;
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-floating);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 120ms ease, transform 120ms ease;
}
.tooltip-shell[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.tooltip-title {
  margin-bottom: 10px;
  font-family: var(--font-family-body);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}
.tooltip-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 14px;
  padding: 8px 10px;
  background: var(--surface-panel-muted);
}
.tooltip-row + .tooltip-row {
  margin-top: 8px;
}
.tooltip-label {
  color: var(--text-muted);
  font-family: var(--font-family-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tooltip-value {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--text-primary);
  font-family: var(--font-family-code);
  font-size: 0.84rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
}
.tooltip-copy {
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.7rem;
  color: var(--text-primary);
  font-family: var(--font-family-body);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
  min-width: 52px;
  text-align: center;
}
.tooltip-copy[data-copied="true"] {
  background: var(--accent-brand);
  color: #fff;
  border-color: var(--accent-brand);
}
.tooltip-copy[data-copy-failed="true"] {
  background: #FF0051;
  color: #fff;
  border-color: #FF0051;
}
.tooltip-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 14px;
  padding: 8px 10px;
  background: var(--surface-panel-muted);
  margin-bottom: 10px;
}
.tooltip-color-input {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
  background: transparent;
  flex: 0 0 auto;
}
.tooltip-color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}
.tooltip-color-input::-webkit-color-swatch {
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 999px;
}
.tooltip-color-input::-moz-color-swatch {
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 999px;
}
.gradient-preview {
  min-height: 132px;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 -16px 36px rgba(0,0,0,0.12);
}
.background-grid,
.logo-grid,
.typography-grid,
.principle-grid,
.recipe-grid,
.example-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.background-card,
.logo-card,
.example-card,
.typography-card,
.principle-card,
.recipe-card,
.recipe-preview-card {
  border-radius: var(--radius-card);
  overflow: hidden;
}
.background-preview {
  min-height: 124px;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  color: white;
  font-family: var(--font-family-body);
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0,0,0,0.24);
}
.background-meta,
.logo-meta,
.example-meta {
  padding: 18px;
  display: grid;
  gap: 4px;
}
.typography-card,
.principle-card,
.recipe-card {
  padding: 18px;
}
.principle-card-danger {
  border-color: color-mix(in srgb, #FF0051 18%, var(--border-subtle));
  background: color-mix(in srgb, #FF0051 3%, var(--surface-panel));
}
.principles-disclosure {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
}
.principles-summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  cursor: pointer;
}
.principles-summary::-webkit-details-marker {
  display: none;
}
.principles-summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel-muted);
  color: var(--text-primary);
  font-family: var(--font-family-code);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}
.principles-disclosure[open] .principles-summary {
  border-bottom: 1px solid var(--border-subtle);
}
.principles-disclosure[open] .principles-summary::after {
  content: "−";
}
.principles-summary-copy {
  display: grid;
  gap: 4px;
}
.principles-summary-copy strong {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
}
.principles-summary-copy .section-copy {
  margin: 0;
}
.principles-summary-count {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-family-code);
  font-size: 0.75rem;
  font-weight: 700;
}
.principles-disclosure-body {
  padding: 18px;
}
.background-chip-stack {
  display: grid;
  gap: 10px;
}
.logo-preview {
  min-height: 132px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: var(--surface-panel-muted);
}
.logo-preview.dark {
  background: var(--text-primary);
}
.logo-preview img {
  max-width: 100%;
  max-height: 64px;
}
.typography-card {
  display: grid;
  gap: 10px;
}
.typography-sample {
  padding: 16px;
  border-radius: var(--radius-card);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
}
.typography-sample-code-block {
  background: #fafafa;
  color: #393a34;
  font-family: var(--font-family-code);
  white-space: pre;
  overflow-x: auto;
}
.typography-sample-code-inline {
  background: transparent;
  border: none;
  padding: 0;
}
.typography-sample-code-inline code {
  background: #fafafa;
  color: #393a34;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  font-size: 0.84em;
}

/* Download button */
.download-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-family-body);
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
}
.download-button:hover {
  background: var(--surface-panel-muted);
  border-color: var(--border-strong);
  text-decoration: none;
}
.download-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Logo meta row */
.logo-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
}

/* Font family cards — mirrors logo-card layout */
.font-family-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.font-family-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel);
  box-shadow: var(--shadow-panel);
  display: grid;
  align-content: start;
}
.font-family-sample {
  min-height: 132px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--text-primary);
  background: var(--surface-panel-muted);
  letter-spacing: 0.02em;
  text-align: center;
}
.font-family-sample[data-font-family="code"] {
  font-size: 1.6rem;
}
.font-family-meta {
  padding: 18px;
  display: grid;
  gap: 4px;
}
.font-family-meta strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.font-family-meta .logo-meta-row {
  margin-top: 4px;
}
.principle-card,
.recipe-card {
  display: grid;
  gap: 12px;
  align-content: start;
}
.recipe-meta {
  display: grid;
  gap: 8px;
}
.recipe-slots,
.recipe-role-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.role-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-family-body);
  font-size: 0.8rem;
  font-weight: 600;
}
.recipe-preview-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.callout-pattern-grid {
  display: grid;
  gap: 14px;
}
.callout-preview {
  --callout-background: #F3F8FF;
  --callout-border-color: rgba(127, 191, 234, 0.3);
  --callout-accent: #4B6F96;
  --callout-symbol: "i";
  border-radius: 12px;
  background: var(--callout-background);
  border: 1px solid var(--callout-border-color);
  box-shadow: none;
  padding: 0.75rem 1rem 0.9rem;
  display: grid;
  gap: 0.45rem;
  color: var(--text-secondary);
}
.callout-title,
.callout-preview > strong {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-family-body);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}
.callout-title::before,
.callout-preview > strong::before {
  content: var(--callout-symbol);
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  background: color-mix(in srgb, var(--callout-accent) 15%, white);
  color: var(--callout-accent);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
}
.callout-preview > span,
.callout-preview > p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
}
.callout-preview a {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.callout-tip {
  --callout-background: color-mix(in srgb, var(--surface-callout-success) 82%, white);
  --callout-border-color: rgba(181, 217, 53, 0.28);
  --callout-accent: #6A8A1A;
}
.callout-warning {
  --callout-background: #FEF9E7;
  --callout-border-color: rgba(229, 192, 123, 0.35);
  --callout-accent: #B8860B;
  --callout-symbol: "!";
}
.code-preview {
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  padding: 18px;
  white-space: pre;
  overflow-x: auto;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.6;
}
.code-preview-highlighted {
  padding: 0;
  overflow: hidden;
}
.code-preview-highlighted pre {
  margin: 0;
  padding: 18px;
  font-family: var(--font-family-code);
  font-size: 0.82rem;
  line-height: 1.6;
  overflow-x: auto;
}
.code-preview-highlighted code {
  font-family: inherit;
}
.typography-sample-code-block pre {
  margin: 0;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  background: transparent;
}
.typography-sample-code-block code {
  font-family: inherit;
}
.settings-preview {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 12px;
  background: var(--surface-page-elevated);
  padding: 16px;
  border-radius: var(--radius-card);
}
.settings-preview-sidebar {
  display: grid;
  align-content: start;
  gap: 6px;
}
.settings-preview-nav-item {
  padding: 0.5rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  text-align: left;
  font-family: var(--font-family-body);
  font-size: 0.84rem;
  font-weight: 700;
}
.settings-preview-nav-item.active {
  background: color-mix(in srgb, var(--accent-brand) 14%, white);
  border-color: color-mix(in srgb, var(--accent-brand) 30%, var(--border-subtle));
  color: var(--text-primary);
}
.data-preview-panel {
  display: grid;
  gap: 10px;
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 14px;
}
.settings-form-grid {
  display: grid;
  gap: 8px;
}
.mono-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-family-code);
  font-size: 0.84rem;
  line-height: 1.4;
}
.json-preview-shell {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-card);
  background: var(--surface-page-elevated);
}
.json-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.json-pointer {
  color: var(--text-muted);
  font-family: var(--font-family-code);
  font-size: 0.8rem;
}
.json-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel);
}
.json-panel-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.json-panel-title {
  color: var(--text-primary);
  font-family: var(--font-family-body);
  font-size: 0.96rem;
  font-weight: 700;
}
.json-tree {
  display: grid;
  gap: 6px;
  font-family: var(--font-family-code);
  font-size: 0.84rem;
}
.json-tree-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}
.json-tree-indent {
  padding-left: 1rem;
}
.json-key {
  color: var(--text-muted);
}
.json-value {
  color: var(--text-primary);
}
.json-value.linkish {
  color: var(--text-link);
}

.segmented-demo-stack {
  display: grid;
  gap: 10px;
}
.segmented-demo-row {
  display: grid;
  gap: 6px;
}
.workbench-demo-list,
.workbench-demo-metrics {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.workbench-demo-list > div {
  padding: var(--list-row-padding-block) var(--list-row-padding-inline);
  border-radius: var(--list-row-radius);
  background: var(--list-row-background);
  font-size: 0.8rem;
  border: var(--list-row-border-width) solid transparent;
  min-width: 0;
  overflow-wrap: anywhere;
}
.workbench-demo-list > div.is-selected {
  background: color-mix(in srgb, var(--accent-brand) 12%, white);
  border-color: color-mix(in srgb, var(--accent-brand) 22%, var(--list-row-border-color));
}
.workbench-demo-list-compact > div,
.workbench-demo-alerts > div {
  background: var(--surface-panel-muted);
  border-color: color-mix(in srgb, var(--list-row-border-color) 75%, transparent);
}
.workbench-warning-stack {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}
.workbench-warning-callout {
  gap: 0.6rem;
}
.workbench-warning-callout .workbench-demo-list {
  gap: 4px;
}
.workbench-warning-callout .workbench-demo-list > div {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-secondary);
}
.workbench-warning-callout .workbench-demo-list > div::before {
  content: "•";
  margin-right: 0.5rem;
  color: var(--callout-accent);
}
.workbench-stage-meta {
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.workbench-demo-canvas {
  border-radius: var(--surface-stage-canvas-radius);
  background: var(--surface-stage-canvas-background);
  min-height: 220px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
  min-width: 0;
  overflow: hidden;
}
.workbench-demo-object {
  width: min(220px, 58%);
  min-width: 112px;
  max-width: 100%;
  aspect-ratio: 1.25 / 1;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)),
    rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 18px 40px rgba(0,0,0,0.18);
  display: grid;
  place-items: center;
  padding: 18px;
  color: rgba(255,255,255,0.84);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.workbench-demo-metrics {
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
}
.workbench-demo-metrics > div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-family-code);
  font-size: 0.78rem;
  min-width: 0;
  flex-wrap: wrap;
}
.terminal-shell {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #232826 0%, #181b1a 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
  color: #F2F6F1;
}
.terminal-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  font-family: var(--font-family-code);
  font-size: 0.92rem;
}
.terminal-title {
  color: #FFFFFF;
}
.terminal-dim {
  color: rgba(242, 246, 241, 0.62);
}
.terminal-lines {
  display: grid;
  gap: 0.55rem;
  font-family: var(--font-family-code);
  font-size: 0.95rem;
  line-height: 1.45;
}
.terminal-accent {
  color: var(--accent-brand);
}
.terminal-success {
  color: #A6DB46;
}
.terminal-warn {
  color: #E5C07B;
}
.terminal-error {
  color: #E06C75;
}
.terminal-bracket {
  color: var(--accent-brand);
  font-weight: 700;
}
.terminal-plugin {
  color: var(--accent-brand);
}
.terminal-label {
  color: #7FBFEA;
}
.terminal-emphasis {
  color: #A6DB46;
  font-weight: 700;
}
.terminal-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem;
  align-items: baseline;
}
.terminal-tag {
  white-space: nowrap;
}
.terminal-prompt {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}
.terminal-menu {
  display: grid;
  gap: 0.4rem;
}
.terminal-menu-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: rgba(242, 246, 241, 0.88);
}
.terminal-menu-row.active {
  color: #FFFFFF;
}
.terminal-demo-stack {
  display: grid;
  gap: 16px;
}
.command-dialog-shell {
  display: grid;
  place-items: center;
  padding: 12px;
  border-radius: var(--radius-card);
  background: var(--surface-page-elevated);
}
.command-dialog {
  width: min(620px, 100%);
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-panel);
}
.command-dialog-search {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 11px;
  background: var(--surface-panel-muted);
  border: 1px solid color-mix(in srgb, var(--border-subtle) 80%, transparent);
}
.command-dialog-placeholder {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
}
.command-dialog-shortcut,
.command-dialog-hint {
  color: var(--text-muted);
  font-family: var(--font-family-code);
  font-size: 0.76rem;
}
.command-dialog-group {
  display: grid;
  gap: 6px;
}
.command-dialog-list {
  display: grid;
  gap: 4px;
}
.command-dialog-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0.6rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  text-align: left;
  color: var(--text-primary);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}
.command-dialog-row.active {
  background: color-mix(in srgb, var(--accent-brand) 14%, white);
  border-color: color-mix(in srgb, var(--accent-brand) 30%, var(--border-subtle));
}
.logo-source-label {
  font-family: var(--font-family-code);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.playground-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.playground-nav {
  display: grid;
  gap: 18px;
}
.playground-nav-section {
  display: grid;
  gap: 8px;
}
.playground-nav-heading {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.playground-nav-items {
  display: grid;
  gap: 10px;
}
.playground-trigger {
  width: 100%;
  text-align: left;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel);
  color: var(--text-secondary);
  font-family: var(--font-family-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
}
.playground-trigger[data-active="true"] {
  background: var(--surface-callout-success);
  border-color: var(--border-focus);
  color: var(--text-primary);
}
.playground-stage {
  min-width: 0;
}
.story-panel {
  display: none;
  gap: 16px;
}
.story-panel[data-active="true"] {
  display: grid;
}
.story-card {
  border-radius: var(--radius-card);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
  padding: 18px;
  display: grid;
  gap: 14px;
}
.story-meta {
  display: grid;
  gap: 8px;
}
.story-body {
  display: grid;
  gap: 14px;
}
.story-body--with-recipe {
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 16px;
}
.story-body-main {
  display: grid;
  gap: 14px;
  min-width: 0;
}
.story-recipe-detail {
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  padding: 16px;
  display: grid;
  gap: 12px;
  align-content: start;
  font-family: var(--font-family-body);
}
.story-recipe-heading {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}
.story-recipe-group {
  display: grid;
  gap: 6px;
}
.story-recipe-label {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.story-stage {
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  padding: 22px;
  box-shadow: var(--shadow-subtle);
  container-type: inline-size;
  container-name: story;
  overflow: visible;
}
.story-label {
  color: var(--text-muted);
  font-family: var(--font-family-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.example-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

/* Asset grid pattern */
.asset-grid-shell {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
.asset-grid-sidebar {
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 14px;
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
}
.asset-grid-nav-item {
  padding: 0.5rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  text-align: left;
  font-family: var(--font-family-body);
  font-size: 0.84rem;
  font-weight: 700;
}
.asset-grid-nav-item.active {
  background: color-mix(in srgb, var(--accent-brand) 14%, white);
  border-color: color-mix(in srgb, var(--accent-brand) 30%, var(--border-subtle));
  color: var(--text-primary);
}
.asset-grid-main {
  display: grid;
  gap: 12px;
}
.asset-grid-hero-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
}
.asset-grid-hero-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 32% 30%, rgba(117, 175, 82, 0.14), transparent 28%),
    linear-gradient(180deg, #232826 0%, #181b1a 100%);
}
.asset-grid-stage-object {
  width: min(220px, 58%);
  aspect-ratio: 1 / 1;
  border-radius: 34% 44% 38% 40%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), transparent 34%),
    linear-gradient(160deg, rgba(126, 95, 201, 0.72), rgba(34, 44, 32, 0.9));
  display: grid;
  place-items: end center;
  padding: 18px;
  color: rgba(255,255,255,0.92);
  font-size: 0.82rem;
  font-weight: 700;
}
.asset-grid-hero-meta {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.asset-grid-table {
  display: grid;
  gap: 6px;
  padding: 10px 0;
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
}
.asset-grid-row {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.8fr 0.8fr;
  gap: 12px;
  padding: 0 14px;
  min-height: 34px;
  align-items: center;
  font-size: 0.84rem;
}
.asset-grid-row-head {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Dropdown menu pattern */
.dropdown-pattern-shell {
  max-width: 640px;
  margin: 0 auto;
}
.dropdown-demo {
  position: relative;
  display: inline-block;
  width: 100%;
}
.dropdown-trigger-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
}
.dropdown-trigger-info {
  display: grid;
  gap: 2px;
}
.dropdown-trigger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  background: var(--surface-panel);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s;
}
.dropdown-trigger-btn:hover {
  background: var(--surface-panel-muted);
}
.dropdown-popover {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  padding: 0.4rem 0.3rem;
  border-radius: 0.5rem;
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 0 10px rgba(50, 50, 50, 0.1);
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  z-index: 10;
}
.dropdown-popover[data-open="true"] {
  display: flex;
}
.dropdown-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 0.45rem 0.65rem;
  border-radius: 0.35rem;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-family-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.12s;
}
.dropdown-item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  opacity: 0.72;
}
.dropdown-item-label {
  min-width: 0;
}
.dropdown-item:hover {
  background: var(--surface-panel-muted);
}
.dropdown-item-danger {
  color: #E06C75;
}
.dropdown-separator {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.2rem 0.3rem;
}

/* User profile pattern */
.user-profile-demo-shell {
  display: grid;
  gap: 18px;
  padding: 16px;
  border-radius: var(--radius-card);
  background: var(--surface-page-elevated);
}
.user-profile-demo-topbar {
  display: flex;
  justify-content: center;
}
.user-profile-demo-topbar .user-profile {
  width: min(100%, 360px);
}
.user-profile-demo-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(220px, 0.72fr);
  gap: 14px;
  align-items: start;
}
.user-profile-card-actions .header-tool-button {
  min-height: 32px;
}
.header-tool-button svg {
  flex: none;
}
.user-profile-menu-demo {
  min-height: 186px;
}
.user-profile-menu-demo .dropdown-popover {
  position: static;
  display: flex;
  width: 100%;
  min-width: 0;
}

/* Iconography sub-headings */
.iconography-sub-heading {
  margin: 20px 0 6px;
  font-family: var(--font-family-body);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}
.iconography-sub-heading:first-of-type {
  margin-top: 0;
}

/* Material Symbols icon preview */
.material-icon-preview {
  font-family: 'Material Symbols Rounded';
  font-weight: 400;
  font-style: normal;
  font-size: 1.24em;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  font-variation-settings: 'opsz' 24, 'wght' 400, 'FILL' 0, 'GRAD' 0;
  -webkit-font-smoothing: antialiased;
  vertical-align: -0.15em;
}

/* Iconography examples grid */
.icon-examples-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.icon-example-card {
  padding: 18px;
  border-radius: var(--radius-card);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
  display: grid;
  gap: 10px;
}
.icon-example-title {
  margin: 0;
  font-family: var(--font-family-body);
  font-size: 0.95rem;
  font-weight: 700;
}
.icon-example-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.icon-demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-family-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-subtle);
}
.icon-demo-btn-sm {
  padding: 0.4rem;
  gap: 0;
}
.icon-demo-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-family-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
}
.icon-status-success {
  color: #4a8a1a;
}
.icon-status-warning {
  color: #b8860b;
}
.icon-status-error {
  color: #c0392b;
}
.icon-tree-demo {
  display: grid;
  gap: 2px;
  font-family: var(--font-family-body);
  font-size: 0.88rem;
  color: var(--text-primary);
}
.icon-tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.3rem 0.4rem;
  border-radius: 4px;
}
.icon-tree-row:hover {
  background: var(--surface-panel);
}
.icon-tree-indent {
  padding-left: 1.4rem;
}
.icon-tree-indent-2 {
  padding-left: 2.8rem;
}
.icon-chevron {
  color: var(--text-muted);
  font-size: 1.1em;
}
.icon-type {
  color: var(--text-secondary);
  font-size: 1em;
}

/* Icon copy grid — round buttons matching icon-demo-btn-sm */
.icon-copy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(44px, 44px));
  gap: 8px;
  margin-top: 12px;
  justify-content: start;
}
.icon-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel);
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
  font-family: var(--font-family-body);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.icon-copy-btn:hover {
  background: var(--surface-panel-muted);
  border-color: var(--border-strong);
}
.icon-copy-btn[data-empty="true"] {
  background: transparent;
  border-style: dashed;
  box-shadow: none;
  color: var(--text-muted);
  cursor: default;
}
.icon-copy-btn[data-empty="true"]:hover {
  background: transparent;
  border-color: var(--border-subtle);
}
.icon-empty-slot {
  display: inline-block;
  width: 18px;
  height: 18px;
}
/* Feedback overlay — shows a ✓ after copy */
.icon-copy-btn::after {
  content: '\2713';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  font-size: 1rem;
  font-weight: 700;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms ease;
}
.icon-copy-btn[data-copied="true"] {
  background: var(--accent-brand);
  color: var(--accent-brand);
  border-color: var(--accent-brand);
}
.icon-copy-btn[data-copied="true"]::after {
  opacity: 1;
  background: var(--accent-brand);
  color: #fff;
}
.icon-copy-btn[data-copy-failed="true"] {
  background: #FF0051;
  color: #FF0051;
  border-color: #FF0051;
}
.icon-copy-btn[data-copy-failed="true"]::after {
  content: '\2717';
  opacity: 1;
  background: #FF0051;
  color: #fff;
}
/* Accessibility section */
.a11y-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.a11y-card {
  padding: 20px;
  border-radius: var(--radius-card);
  background: var(--surface-panel-muted);
  border: 1px solid var(--border-subtle);
  display: grid;
  gap: 12px;
  align-content: start;
}
.a11y-card-title {
  margin: 0;
  font-family: var(--font-family-body);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.a11y-card-title .material-icon-preview {
  font-size: 1.3em;
  color: var(--text-secondary);
}
.typography-card[data-typography-key="micro-label"] .typography-card-title,
.typography-card[data-typography-key="micro-label"] .typography-sample {
  text-transform: uppercase;
}
.typography-card[data-typography-key="link"] .typography-sample {
  color: var(--text-link);
}
.typography-link-sample {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.15em;
  font-weight: 500;
}
.footer-area {
  margin-top: 18px;
}
.a11y-demo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.a11y-demo-button {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-control);
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-family-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
}
.a11y-demo-button.a11y-demo-pill {
  border-radius: var(--radius-pill);
}
.a11y-demo-link {
  font-family: var(--font-family-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-link);
  text-decoration: underline;
  cursor: pointer;
}
.a11y-code-example {
  display: grid;
  gap: 8px;
}

@media (max-width: 980px) {
  :root {
    --brand-mobile-sticky-inset: 12px;
    --brand-mobile-chrome-reserve: 172px;
  }
  .brand-page {
    width: calc(100vw - 24px);
    gap: 16px;
  }
  .brand-page-chrome {
    position: sticky;
    top: var(--brand-mobile-sticky-inset);
    z-index: 90;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 56px;
    padding-inline: var(--brand-mobile-chrome-reserve);
  }
  .recipe-preview-grid,
  .brand-layout,
  .playground-shell,
  .settings-preview,
  .asset-grid-shell,
  .user-profile-demo-grid {
    grid-template-columns: 1fr;
  }
  .brand-page-chrome > .header-pill-shell {
    position: static;
    padding-top: 0;
    width: 100%;
    max-width: 100%;
  }
  .playground-nav {
    position: static;
    gap: 14px;
  }
  .playground-nav-items {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
  .story-body--with-recipe {
    grid-template-columns: 1fr;
  }
  .brand-sidebar-desktop {
    display: none;
  }
  .brand-sidebar-mobile {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 110;
    width: auto;
  }
  .brand-sidebar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 16px;
    max-width: var(--brand-mobile-chrome-reserve);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    background: var(--surface-panel);
    box-shadow: var(--shadow-panel);
    color: var(--text-primary);
    font-family: var(--font-family-body);
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
  }
  .brand-sidebar-toggle svg {
    flex: 0 0 auto;
  }
  .brand-sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    border: 0;
    padding: 0;
    background: rgba(16, 20, 24, 0.16);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease;
  }
  .header-pill {
    max-width: min(100%, 520px);
  }
  .brand-sidebar-mobile .brand-sidebar-card {
    position: absolute;
    z-index: 120;
    top: calc(100% + 10px);
    left: 0;
    right: auto;
    width: min(320px, calc(100vw - 24px));
    max-height: min(calc(100vh - 148px), 420px);
    padding: 14px 0;
    border-radius: var(--radius-panel);
    background: var(--surface-panel);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-floating);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease;
    overflow-y: auto;
  }
  .brand-sidebar-label {
    padding: 0 16px 8px;
    border-left: none;
  }
  .brand-sidebar-mobile .brand-sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 40px;
    padding: 0.55rem 1rem;
    border-left-width: 3px;
  }
  .brand-sidebar[data-menu-open="true"] .brand-sidebar-backdrop {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }
  .brand-sidebar[data-menu-open="true"] .brand-sidebar-card {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}
@media (max-width: 720px) {
  .principles-summary {
    flex-direction: column;
  }
  .asset-grid-hero-meta,
  .asset-grid-row {
    justify-content: flex-start;
  }
  .asset-grid-row {
    grid-template-columns: 1fr 1fr;
  }
  .workbench-demo-metrics {
    grid-template-columns: 1fr;
  }
  .hero-card,
  .brand-section {
    padding: 20px;
  }
  .user-profile-demo-topbar .user-profile {
    --user-profile-logo-width: 72px;
    --user-profile-avatar-size: 30px;
    --user-profile-shell-padding-inline: 8px;
    width: 100%;
  }
}
@media (max-width: 680px) {
  :root {
    --brand-mobile-sticky-inset: 8px;
    --brand-mobile-chrome-reserve: 56px;
  }
  .brand-page {
    gap: 14px;
    padding-bottom: 56px;
  }
  .brand-sidebar-toggle-label {
    display: none;
  }
  .brand-sidebar-toggle {
    width: 48px;
    min-width: 48px;
    padding-inline: 0;
  }
  .brand-sidebar-mobile .brand-sidebar-card {
    width: min(320px, calc(100vw - 24px));
    max-width: 100%;
  }
}