/* ============================================================
   Design System — Unified Library — project-specific graphics
   Monochrome (site ink/gray tokens) + one blue accent, reusing
   var(--accent-fintech) so no new color is introduced.
   ============================================================ */

/* KPI stat-tile row — a handful of headline numbers */
.ds-kpi-row {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  max-width: 720px;
}
.ds-kpi-tile {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  background: var(--bg-card);
  box-shadow: var(--shadow-lift);
}
.ds-kpi-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.6rem;
  color: var(--accent-fintech);
}
.ds-kpi-label {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.ds-caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

/* Atomic hierarchy — stepped staircase, narrow → broad */
.ds-stack {
  margin-top: 28px;
  display: grid;
  gap: 6px;
  max-width: 520px;
}
.ds-stack-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.ds-stack-bar {
  height: 32px;
  border-radius: 6px;
  border: 1.5px solid var(--text);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  transition: width 0.4s ease;
}
.ds-stack-row:nth-child(1) .ds-stack-bar { width: 30%; border-color: var(--accent-fintech); color: var(--accent-fintech); }
.ds-stack-row:nth-child(2) .ds-stack-bar { width: 42%; }
.ds-stack-row:nth-child(3) .ds-stack-bar { width: 54%; }
.ds-stack-row:nth-child(4) .ds-stack-bar { width: 66%; }
.ds-stack-row:nth-child(5) .ds-stack-bar { width: 78%; }
.ds-stack-row:nth-child(6) .ds-stack-bar { width: 90%; }
.ds-stack-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  white-space: nowrap;
}

/* Conflict / callout box */
.ds-callout {
  margin-top: 28px;
  max-width: 640px;
  border-left: 3px solid var(--accent-fintech);
  background: var(--bg-card);
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
}
.ds-callout-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-fintech);
}
.ds-callout p {
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--text-dim);
}

/* Ongoing rituals — small label grid */
.ds-ritual-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  max-width: 760px;
}
.ds-ritual {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.ds-ritual strong { display: block; color: var(--text); font-size: 0.88rem; margin-bottom: 4px; }

/* Before/after comparison bars — two clearly separate bars per
   metric (not a dot-on-a-track, which read as a scrollbar) */
.ds-compare-group { margin-top: 28px; max-width: 520px; }
.ds-compare-group + .ds-compare-group { margin-top: 32px; }
.ds-compare-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.ds-compare-row {
  display: grid;
  grid-template-columns: 64px 1fr 64px;
  align-items: center;
  gap: 12px;
}
.ds-compare-row + .ds-compare-row { margin-top: 8px; }
.ds-compare-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
}
.ds-compare-track {
  height: 20px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.ds-compare-fill { height: 100%; border-radius: 4px; }
.ds-compare-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
  text-align: right;
}

/* Token scale — numeric steps with room to insert between them */
.ds-scale {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.ds-scale-chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 14px;
  border: 1.5px solid var(--text);
  border-radius: 8px;
  color: var(--text);
  background: var(--bg-card);
}
.ds-scale-chip--inserted {
  border-style: dashed;
  border-color: var(--accent-fintech);
  color: var(--accent-fintech);
  background: none;
}

/* Core → platform tree */
.ds-tree {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 560px;
}
.ds-tree-root {
  border: 1.5px solid var(--accent-fintech);
  color: var(--accent-fintech);
  background: var(--bg-card);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.88rem;
}
.ds-tree-stem { width: 1px; height: 18px; background: var(--border-strong); }
.ds-tree-branches {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 28px;
  justify-content: center;
  border-top: 1px solid var(--border-strong);
  padding-top: 18px;
}
.ds-tree-branch {
  position: relative;
  border: 1.5px solid var(--text);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-card);
}
.ds-tree-branch::before {
  content: '';
  position: absolute;
  top: -18px; left: 50%;
  width: 1px; height: 18px;
  background: var(--border-strong);
}

/* Node graphic — Core deriving into platform-specific instances */
.ds-nodes {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 320px;
}
.ds-node-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.ds-node-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--text);
}
.ds-node-item--core .ds-node-dot {
  width: 18px;
  height: 18px;
  background: var(--accent-fintech);
  border-color: var(--accent-fintech);
}
.ds-node-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.ds-node-item--core .ds-node-label { color: var(--accent-fintech); }
.ds-node-stem { width: 1px; height: 20px; background: var(--border-strong); }
.ds-node-children {
  display: flex;
  gap: 48px;
  border-top: 1px solid var(--border-strong);
  padding-top: 20px;
}
.ds-node-children .ds-node-item { position: relative; }
.ds-node-children .ds-node-item::before {
  content: '';
  position: absolute;
  top: -20px; left: 50%;
  width: 1px; height: 20px;
  background: var(--border-strong);
}

/* Documentation-page anatomy — a numbered vertical outline */
.ds-docpage {
  margin-top: 24px;
  max-width: 540px;
}
.ds-docpage-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
}
.ds-docpage-row + .ds-docpage-row { border-top: 1px solid var(--border); }
.ds-docpage-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-fintech);
  color: var(--accent-fintech);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}
.ds-docpage-row strong { display: block; font-size: 0.92rem; color: var(--text); }
.ds-docpage-row span { display: block; margin-top: 2px; font-size: 0.85rem; color: var(--text-dim); }

/* Component library grid — finding the right variant among similar ones */
.ds-library-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  max-width: 560px;
}
.ds-library-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
  background: var(--bg-card);
}
.ds-library-swatch {
  width: 100%;
  height: 28px;
  border-radius: 6px;
  background: var(--border-strong);
}
.ds-library-card--match { border-color: var(--accent-fintech); }
.ds-library-card--match .ds-library-swatch { background: var(--accent-fintech); }
.ds-library-tag {
  position: absolute;
  top: 10px; right: 10px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--accent-fintech);
  border: 1px solid var(--accent-fintech);
  border-radius: 100px;
  padding: 2px 7px;
}

@media (max-width: 640px) {
  .ds-stack-bar { width: 90% !important; }
  .ds-tree-branches { gap: 16px; }
  .ds-compare-row { grid-template-columns: 50px 1fr 50px; }
}