/* ── Page-specific layout ── */
.design-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

.design-page h1 {
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-size: var(--fs-h1, 2rem);
  color: var(--color-primary, #1B3A6B);
  border-bottom: 2px solid var(--color-primary, #1B3A6B);
  padding-bottom: 0.5rem;
  margin: 0 0 1.5rem;
}

.design-lead {
  font-size: var(--fs-lead, 1.15rem);
  line-height: 1.7;
  color: #374151;
  font-style: italic;
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--color-accent, #00A398);
}

.design-page h2 {
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-size: var(--fs-h2, 1.6rem);
  color: var(--color-primary, #1B3A6B);
  margin: 2.5rem 0 0.75rem;
  border-left: 3px solid var(--color-primary, #1B3A6B);
  padding-left: 0.75rem;
}

.design-page h3 {
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-size: var(--fs-h3, 1.25rem);
  color: var(--color-primary-light, #2A5298);
  margin: 1.5rem 0 0.5rem;
}

.design-page p,
.design-page li {
  font-size: var(--fs-body, 1rem);
  line-height: 1.8;
  color: var(--color-text, #1a1a2e);
  text-align: justify;
  text-wrap: pretty;
  hyphens: auto;
}

.design-page ul, .design-page ol {
  margin: 0.5rem 0 1rem 1.5rem;
}

.design-page li {
  /* margin distinct de la règle groupée p, li ci-dessus */
  margin-bottom: 0.4rem;
}

.design-page strong {
  color: var(--color-primary, #1B3A6B);
}

/* ── Palette swatches ── */
.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.swatch {
  border: 1px solid var(--color-border-light, #e5e7eb);
  padding: 0;
  overflow: hidden;
}

.swatch-color {
  height: 56px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0.3rem 0.5rem;
}

.swatch-hex {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.swatch-info {
  padding: 0.5rem 0.75rem;
  background: #fff;
}

.swatch-name {
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-weight: 700;
  font-size: var(--fs-body-sm, 0.88rem);
  color: var(--color-text, #1a1a2e);
  margin: 0 0 0.15rem;
}

.swatch-role {
  font-size: var(--fs-small, 0.8rem);
  color: var(--color-text-muted, #6b7280);
  margin: 0;
  line-height: 1.4;
}

/* ── Font specimen ── */
.font-specimen {
  border: 1px solid var(--color-border-light, #e5e7eb);
  margin: 1rem 0 1.5rem;
  overflow: hidden;
}

.font-specimen-header {
  background: var(--color-primary, #1B3A6B);
  color: #fff;
  padding: 0.6rem 1rem;
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-weight: 700;
  font-size: var(--fs-body-sm, 0.88rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.font-specimen-tag {
  font-size: var(--fs-micro, 0.68rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255,255,255,0.2);
  padding: 0.1rem 0.5rem;
  font-weight: 400;
}

.font-specimen-body {
  padding: 1.25rem;
  background: #fff;
}

.font-specimen-abc {
  font-size: 1.6rem;
  line-height: 1.4;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  color: var(--color-text, #1a1a2e);
}

.font-specimen-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: baseline;
}

.font-specimen-sizes span {
  color: var(--color-text-muted, #6b7280);
}

/* ── Scale table ── */
.scale-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: var(--fs-body-sm, 0.88rem);
}

.scale-table th {
  background: var(--color-primary, #1B3A6B);
  color: #fff;
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-weight: 700;
  font-size: var(--fs-small, 0.8rem);
}

.scale-table td {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--color-border-light, #e5e7eb);
  vertical-align: top;
}

.scale-table tbody tr:hover {
  background: rgba(27, 58, 107, 0.03);
}

.scale-table code {
  font-family: 'Courier New', monospace;
  font-size: 0.82em;
  color: var(--color-primary-light, #2A5298);
  background: rgba(27, 58, 107, 0.06);
  padding: 0.1rem 0.3rem;
}

/* ── Info boxes ── */
.design-note {
  background: #f0f9ff;
  border-left: 3px solid var(--color-primary-light, #2A5298);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: var(--fs-body-sm, 0.88rem);
  line-height: 1.7;
}

.design-note strong {
  color: var(--color-primary, #1B3A6B);
}

/* ── Learning levels color blocks ── */
.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
}

.level-block {
  padding: 1rem;
  text-align: center;
  color: #fff;
  font-family: var(--font-heading, 'Outfit', sans-serif);
}

.level-block .level-label {
  font-size: var(--fs-micro, 0.68rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.85;
  margin-bottom: 0.3rem;
}

.level-block .level-name {
  font-size: var(--fs-lead, 1.15rem);
  font-weight: 700;
}

/* ── Architecture diagram ── */
.arch-tree {
  font-family: 'Courier New', monospace;
  font-size: var(--fs-body-sm, 0.88rem);
  line-height: 1.65;
  background: var(--color-bg-light, #f5f5f5);
  border: 1px solid var(--color-border-light, #e5e7eb);
  padding: 1.25rem;
  margin: 1rem 0 1.5rem;
  overflow-x: auto;
  white-space: pre;
  color: var(--color-text, #1a1a2e);
}

.arch-tree .tree-dir { color: var(--color-primary, #1B3A6B); font-weight: 700; }
.arch-tree .tree-file { color: var(--color-text-muted, #6b7280); }
.arch-tree .tree-comment { color: var(--color-accent, #00A398); font-style: italic; }

/* ── Breadcrumb ── */
.breadcrumb {
  margin: 0 0 0.6rem;
  font-size: var(--fs-small, 0.8rem);
  color: var(--color-text-muted, #6b7280);
  letter-spacing: 0.02em;
}
.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--color-primary-light, #2A5298);
  text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .design-page { padding: 1.25rem; }
  .palette-grid { grid-template-columns: repeat(2, 1fr); }
  .levels-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .palette-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════
   Dark mode
   ══════════════════════════════════════════════════════════════ */

/* ── Texte principal ── */
html[data-theme="dark"] .design-page p,
html[data-theme="dark"] .design-page li {
  color: var(--dm-text);
}
html[data-theme="dark"] .design-page strong {
  color: var(--dm-text-heading);
}
html[data-theme="dark"] .design-lead {
  color: var(--dm-text-muted);
  border-left-color: var(--dm-link);
}

/* ── Titres ── */
html[data-theme="dark"] .design-page h1 {
  color: var(--dm-text-heading);
  border-bottom-color: var(--dm-border);
}
html[data-theme="dark"] .design-page h2 {
  color: var(--dm-text-heading);
  border-left-color: var(--dm-link);
}
html[data-theme="dark"] .design-page h3 {
  color: var(--dm-link);
}

/* ── Palette swatches ── */
html[data-theme="dark"] .swatch {
  border-color: var(--dm-border);
}
html[data-theme="dark"] .swatch-info {
  background: var(--dm-surface);
}
html[data-theme="dark"] .swatch-name {
  color: var(--dm-text-heading);
}
html[data-theme="dark"] .swatch-role {
  color: var(--dm-text-muted);
}

/* ── Font specimens ── */
html[data-theme="dark"] .font-specimen {
  border-color: var(--dm-border);
}
html[data-theme="dark"] .font-specimen-header {
  background: var(--dm-surface-hi);
}
html[data-theme="dark"] .font-specimen-body {
  background: var(--dm-surface);
}
html[data-theme="dark"] .font-specimen-abc {
  color: var(--dm-text);
}
html[data-theme="dark"] .font-specimen-sizes span {
  color: var(--dm-text-muted);
}

/* ── Scale table ── */
html[data-theme="dark"] .scale-table th {
  background: var(--dm-surface-hi);
  color: var(--dm-text-heading);
}
html[data-theme="dark"] .scale-table td {
  border-bottom-color: var(--dm-border);
  color: var(--dm-text);
}
html[data-theme="dark"] .scale-table tbody tr:hover {
  background: rgba(123, 163, 216, 0.06);
}
html[data-theme="dark"] .scale-table code {
  color: var(--dm-link);
  background: rgba(123, 163, 216, 0.1);
}

/* ── Info boxes ── */
html[data-theme="dark"] .design-note {
  background: var(--dm-surface);
  border-left-color: var(--dm-link);
}
html[data-theme="dark"] .design-note strong {
  color: var(--dm-text-heading);
}

/* ── Architecture tree ── */
html[data-theme="dark"] .arch-tree {
  background: var(--dm-surface);
  border-color: var(--dm-border);
  color: var(--dm-text);
}
html[data-theme="dark"] .arch-tree .tree-dir {
  color: var(--dm-text-heading);
}
html[data-theme="dark"] .arch-tree .tree-file {
  color: var(--dm-text-muted);
}
html[data-theme="dark"] .arch-tree .tree-comment {
  color: #10b981;
}

/* ── Breadcrumb ── */
html[data-theme="dark"] .breadcrumb {
  color: var(--dm-text-muted);
}
html[data-theme="dark"] .breadcrumb a {
  color: var(--dm-text-muted);
}
html[data-theme="dark"] .breadcrumb a:hover {
  color: var(--dm-link);
}

/* ── Level blocks ── */
html[data-theme="dark"] .level-block {
  opacity: 0.9;
}