/* ══════════════════════════════════════════════════════
   DS SPACINGS — Page-specific styles only
   Shared styles → tokens.css + base.css + components.css
   Note: .scale-row here is the SPACING scale table
         (different from typography's .scale-row)
══════════════════════════════════════════════════════ */

/* ── §01  Spacing Scale Table ────────────────────────── */
.scale-table { width: 100%; display: flex; flex-direction: column; }

.scale-row {
  display: grid;
  grid-template-columns: 140px 60px 80px 1fr 210px;
  align-items: center;
  gap: 0;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  transition: background 0.12s, padding 0.12s;
}
.scale-row:last-child { border-bottom: 1px solid var(--border); }

.scale-row.highlight {
  background: var(--c-peach);
  border-radius: var(--r-sm);
  padding-left: 16px; padding-right: 16px;
}
.scale-row.highlight:hover { background: var(--c-peach); }

.sp-token { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--accent); background: var(--accent-faint); border-radius: 4px; padding: 2px 8px; display: inline-block; letter-spacing: 0.02em; width: fit-content; }
.sp-px  { font-family: var(--font-body); font-size: 0.875rem; font-weight: 700; color: var(--text-primary); }
.sp-rem { font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); letter-spacing: 0.02em; }
.sp-bar-wrap { padding-right: 32px; display: flex; align-items: center; }
.sp-bar { height: 10px; background: var(--c-taupe); border-radius: 2px; flex-shrink: 0; }
.sp-bar.zero { width: 2px; opacity: 0.15; }
.sp-use { font-family: var(--font-body); font-size: 0.75rem; font-weight: 300; color: var(--text-secondary); line-height: 1.5; }

/* ── §02  Spacing in Practice ────────────────────────── */
.practice-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.practice-card { background: var(--c-white); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 32px; }
.practice-label { font-family: var(--font-body); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; }

.gap-item { background: var(--c-white); border: 1px solid var(--border-med); border-radius: var(--r-sm); padding: 10px 14px; display: flex; align-items: center; gap: 8px; }
.gap-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-taupe); flex-shrink: 0; }
.gap-line { height: 8px; background: var(--border-med); border-radius: 2px; flex: 1; }

.margin-section { background: var(--c-white); border: 1px solid var(--border-med); border-radius: var(--r-sm); padding: 12px 14px; }
.margin-section-title { height: 8px; background: var(--border-med); border-radius: 2px; width: 60%; margin-bottom: 6px; }
.margin-section-body  { height: 6px; background: var(--border); border-radius: 2px; width: 90%; }
.mg-label { font-family: var(--font-mono); font-size: 9px; font-weight: 700; color: var(--accent); background: var(--c-white); padding: 2px 6px; border-radius: 3px; border: 1px solid var(--accent-border); letter-spacing: 0.03em; white-space: nowrap; }

.practice-spec { display: flex; flex-direction: column; }
.practice-spec-row { display: flex; justify-content: space-between; align-items: center; padding: 7px 0; border-top: 1px solid var(--border); }
.ps-key { font-family: var(--font-body); font-size: 11px; font-weight: 500; color: var(--text-secondary); letter-spacing: 0.02em; }
.ps-val { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--accent); letter-spacing: 0.02em; }

/* ── §03  Web Grid Cards ─────────────────────────────── */
.grid-breakpoints { display: flex; flex-direction: column; gap: 24px; }
.grid-bp-card { background: var(--c-white); border: 1px solid var(--border); border-radius: var(--r-xl); overflow: hidden; }
.grid-bp-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--surface-1); }
.grid-bp-name { font-family: var(--font-display); font-size: 1rem; font-weight: 500; letter-spacing: 0; color: var(--text-primary); }
.grid-bp-vw { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--accent); background: var(--accent-faint); border: 1px solid var(--accent-border); border-radius: 4px; padding: 2px 8px; margin-left: 8px; }
.grid-bp-specs { display: flex; gap: 20px; flex-wrap: wrap; }
.grid-bp-spec { display: flex; flex-direction: column; align-items: flex-end; gap: 1px; }
.grid-bp-spec-label { font-family: var(--font-body); font-size: 9px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-tertiary); }
.grid-bp-spec-val   { font-family: var(--font-mono); font-size: 12px; font-weight: 700; color: var(--text-primary); }

.grid-diagram-wrap { padding: 24px; }
.browser-chrome { background: var(--surface-1); border: 1px solid var(--border-med); border-radius: var(--r-md); overflow: hidden; }
.browser-bar { height: 30px; background: var(--c-sand); border-bottom: 1px solid var(--border); display: flex; align-items: center; padding: 0 12px; gap: 6px; }
.browser-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.browser-url { flex: 1; height: 18px; background: var(--c-white); border-radius: 4px; border: 1px solid var(--border); margin: 0 8px; display: flex; align-items: center; padding: 0 8px; }
.browser-url-text { font-family: var(--font-mono); font-size: 9px; color: var(--text-tertiary); }
.grid-canvas { height: 68px; }
.grid-col-track { display: flex; height: 100%; align-items: stretch; }
.grid-col { background: rgba(117,114,99,0.14); flex: 1; height: 100%; }
.grid-col.peach { background: rgba(255,186,110,0.28); }
.grid-gutter { flex-shrink: 0; height: 100%; }

.grid-dims { display: flex; padding: 10px 24px 18px; justify-content: space-between; }
.grid-dim-item { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.grid-dim-label { font-family: var(--font-body); font-size: 9px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-tertiary); }
.grid-dim-value { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--text-primary); }
.grid-dim-sub   { font-family: var(--font-body); font-size: 9px; font-weight: 300; color: var(--text-tertiary); }

/* ── §04  Mobile Grid ────────────────────────────────── */
.mobile-grid-outer { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mobile-grid-card { background: var(--c-white); border: 1px solid var(--border); border-radius: var(--r-xl); overflow: hidden; }
.mobile-card-header { padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--surface-1); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mobile-platform-pill { font-family: var(--font-body); font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); background: var(--c-white); border: 1px solid var(--border-med); border-radius: 100px; padding: 3px 10px; }
.mobile-card-body { padding: 24px; }
.phone-shell { background: var(--surface-1); border: 2px solid var(--border-med); overflow: hidden; position: relative; }
.phone-screen { background: var(--c-white); overflow: hidden; }
.phone-notch { background: var(--surface-1); display: flex; align-items: center; justify-content: center; border-bottom: 1px solid var(--border); }
.phone-home  { background: var(--surface-1); display: flex; align-items: center; justify-content: center; border-top: 1px solid var(--border); }
.device-spec-grid { margin-top: 16px; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; }
.dsc { background: var(--c-white); padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.dsc.head  { background: var(--surface-1); padding: 8px 12px; }
.dsc.peach { background: var(--c-peach); }
.dsc-label { font-family: var(--font-body); font-size: 9px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-tertiary); }
.dsc-val   { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--text-primary); }
.dsc-sub   { font-family: var(--font-body); font-size: 9px; font-weight: 300; color: var(--text-tertiary); }

/* ── §05  Breakpoints ────────────────────────────────── */
.bp-wrap { background: var(--c-white); border: 1px solid var(--border); border-radius: var(--r-xl); overflow: hidden; margin-bottom: 20px; }
.bp-header { padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--surface-1); display: flex; justify-content: space-between; align-items: center; }
.bp-header-title { font-family: var(--font-body); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-secondary); }
.bp-header-range { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); }
.bp-body { padding: 32px 24px 24px; }
.bp-cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.bp-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-md); padding: 14px 12px; display: flex; flex-direction: column; gap: 6px; }
.bp-card.active { background: var(--c-peach); border-color: rgba(117,114,99,0.22); }
.bp-card-name { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--accent); }
.bp-card-px   { font-family: var(--font-display); font-size: 1.1rem; font-weight: 500; letter-spacing: 0; color: var(--text-primary); line-height: 1.2; }
.bp-card-cols { font-family: var(--font-body); font-size: 0.6rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); }
.bp-card-desc { font-family: var(--font-body); font-size: 0.6rem; font-weight: 300; color: var(--text-tertiary); line-height: 1.5; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1100px) { .bp-cards { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) {
  .practice-grid, .mobile-grid-outer { grid-template-columns: 1fr 1fr; }
  .scale-row { grid-template-columns: 120px 56px 72px 1fr 160px; }
}
@media (max-width: 640px) {
  .practice-grid, .mobile-grid-outer, .bp-cards { grid-template-columns: 1fr; }
  .scale-row { grid-template-columns: 110px 52px 1fr 140px; }
  .sp-rem { display: none; }
}