/* ══════════════════════════════════════════════════════
   DS COLORS — Page-specific styles only
   Shared styles → tokens.css + base.css + components.css
══════════════════════════════════════════════════════ */

/* ── §01  Palette Grid ───────────────────────────────── */
.palette-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.swatch-card {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.18s;
}
.swatch-card:hover { transform: translateY(-3px); }

.swatch-color { height: 160px; }

.swatch-body {
  padding: 16px 18px;
  background: var(--c-white);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.swatch-name {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-primary);
}

.swatch-hex {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.swatch-role {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.swatch-specs { display: flex; flex-direction: column; gap: 0; margin-top: 8px; }

.swatch-spec-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-top: 1px solid var(--border);
}

.swatch-spec-key {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.swatch-spec-val {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
}

/* ── §02  Color Roles ────────────────────────────────── */
.roles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.role-card {
  background: var(--c-white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.role-swatch {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  flex-shrink: 0;
  border: 1px solid var(--border-med);
}

.role-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.role-name {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.role-desc {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}

.role-uses { display: flex; flex-wrap: wrap; gap: 6px; }

.use-tag {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-faint);
  border: 1px solid var(--accent-border);
  border-radius: 4px;
  padding: 2px 7px;
  letter-spacing: 0.02em;
}

/* ── §03  WCAG Contrast Matrix ───────────────────────── */
.matrix-wrap { overflow-x: auto; }

.matrix {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-med);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.matrix th, .matrix td {
  padding: 14px 16px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 11px;
  border: 1px solid var(--border);
}

.matrix th {
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--surface-1);
  color: var(--text-secondary);
  text-transform: uppercase;
}

.matrix td { font-weight: 500; }

.cell-aaa      { background: rgba(46,125,50,0.10); color: #2E7D32; }
.cell-aa       { background: rgba(117,114,99,0.10); color: var(--accent); }
.cell-aa-large { background: rgba(255,233,214,0.60); color: rgba(0,0,0,0.55); }
.cell-fail     { background: rgba(185,28,28,0.06); color: var(--red); }
.cell-self     { background: var(--surface-1); color: var(--text-tertiary); }

.contrast-ratio {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}

.contrast-badge {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  display: inline-block;
}

.badge-aaa      { background: rgba(46,125,50,0.15); color: #2E7D32; }
.badge-aa       { background: rgba(117,114,99,0.15); color: var(--accent); }
.badge-aa-large { background: rgba(255,186,110,0.30); color: rgba(0,0,0,0.55); }
.badge-fail     { background: rgba(185,28,28,0.10); color: var(--red); }

/* ── §04  Color Pairings ─────────────────────────────── */
.pairing-card {
  background: var(--c-white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: 12px;
}

.pairing-preview {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pairing-sample-h { font-family: var(--font-display); font-size: 1.6rem; font-weight: 500; letter-spacing: 0; }
.pairing-sample-b { font-family: var(--font-body); font-size: 0.875rem; font-weight: 300; margin-top: 4px; letter-spacing: 0; }

.pairing-meta { padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; }
.pairing-label { font-family: var(--font-body); font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.pairing-colors { display: flex; align-items: center; gap: 8px; }
.pairing-chip { width: 16px; height: 16px; border-radius: 4px; border: 1px solid var(--border-med); flex-shrink: 0; }
.pairing-hex { font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); }
.pairing-arrow { color: var(--text-tertiary); font-size: 12px; }
.pairing-ratio-row { padding: 0 20px 16px; display: flex; gap: 8px; align-items: center; }
.pairing-ratio { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--accent); }

/* ── §05  Color in Context ───────────────────────────── */
.context-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.context-card {
  background: var(--c-white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.context-card-full { grid-column: span 2; }

.context-label {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  background: var(--surface-1);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  .palette-grid { grid-template-columns: repeat(3, 1fr); }
  .roles-grid   { grid-template-columns: 1fr 1fr; }
  .context-grid { grid-template-columns: 1fr; }
  .context-card-full { grid-column: span 1; }
}
@media (max-width: 640px) {
  .palette-grid { grid-template-columns: 1fr 1fr; }
  .roles-grid   { grid-template-columns: 1fr; }
}