/* Phase 9 analytical hierarchy for the focused Systems detail routes. */

.systems-detail-page .focus-main {
  width: min(calc(100% - 48px), 1240px);
}

.systems-detail-page .focus-main > header {
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.systems-detail-breadcrumbs {
  position: relative;
  z-index: 2;
  margin: 0 0 1.5rem;
}

.systems-detail-breadcrumbs ol {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  list-style: none;
}

.systems-detail-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-faint);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.systems-detail-breadcrumbs li + li::before {
  content: "/";
  color: var(--border-hi);
}

.systems-detail-breadcrumbs a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-dim);
  text-decoration: none;
}

.systems-detail-breadcrumbs a:hover { color: var(--accent); }

.systems-detail-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.75fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 5rem);
}

.systems-detail-intro { min-width: 0; }

.systems-detail-kicker {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.systems-detail-boundary {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  background: rgba(17, 17, 24, 0.9);
}

.systems-detail-boundary h2 {
  margin: 0;
  font: 400 clamp(1.35rem, 3vw, 1.85rem) / 1.2 var(--serif);
}

.systems-detail-boundary dl {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1rem;
}

.systems-detail-boundary dl div {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.systems-detail-boundary dt {
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.systems-detail-boundary dd {
  margin: 0.35rem 0 0;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.65;
}

.systems-detail-sequence {
  position: relative;
  z-index: 1;
  margin-top: clamp(2rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--border);
}

.systems-detail-sequence a {
  min-width: 0;
  min-height: 88px;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: rgba(17, 17, 24, 0.96);
  color: var(--text);
  text-decoration: none;
}

.systems-detail-sequence a:hover { background: var(--bg-2); }

.systems-detail-sequence a[aria-current="page"] {
  box-shadow: inset 0 3px 0 var(--accent);
  background: var(--accent-dim);
}

.systems-detail-sequence span {
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.systems-detail-sequence strong {
  margin-top: 0.4rem;
  font-size: 13px;
  font-weight: 500;
}

.systems-detail-summary {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  background: rgba(17, 17, 24, 0.74);
}

.systems-detail-summary .focus-section-head { align-items: start; }

.systems-detail-summary .focus-status-line {
  max-width: 420px;
  margin-top: 0;
  text-align: right;
}

/* Stack workbench pairs full-width so a short panel cannot leave a dead
   column beside a taller neighbour. Desktop and narrow share one rhythm. */
.systems-detail-workbench,
.systems-detail-workbench--support {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.systems-detail-panel {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(17, 17, 24, 0.78);
}

.systems-detail-panel--dominant {
  border-color: var(--border-hi);
  background: rgba(17, 17, 24, 0.96);
}

.systems-detail-panel .focus-section-head {
  margin-bottom: 1.25rem;
  align-items: start;
}

.systems-detail-panel .focus-section-head h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }

.systems-detail-panel .focus-section-head > p,
.systems-detail-panel .focus-section-head .focus-status-line { max-width: 360px; }

.systems-detail-panel .focus-status-line { margin-top: 0; }
.systems-detail-compact-grid.cols-3 { grid-template-columns: 1fr; }
.systems-detail-compact-grid .focus-metric strong { font-size: clamp(1.2rem, 3vw, 1.65rem); }

.systems-detail-stack {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--border);
}

.systems-detail-stack .focus-panel { border: 0; border-radius: 0; }

.systems-detail-ledger {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.systems-detail-ledger div {
  min-width: 0;
  padding: 1rem;
  display: block;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.systems-detail-ledger div:nth-child(2n) { border-right: 0; }
.systems-detail-ledger div:nth-last-child(-n + 2) { border-bottom: 0; }
.systems-detail-ledger div:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  border-right: 0;
  border-bottom: 0;
}

.systems-detail-page .focus-section:not(.systems-detail-summary) {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
}

.systems-detail-page .focus-section-head h2,
.systems-detail-page .systems-detail-panel h2 { text-wrap: balance; }

.systems-detail-page .focus-table-wrap,
.systems-detail-page .focus-list,
.systems-detail-page .focus-provenance,
.systems-detail-page .focus-rail {
  position: relative;
  z-index: 1;
}

.systems-detail-page .focus-heatmap {
  margin-bottom: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-1);
}

/* Compact GitHub-like contribution grid: fixed small cells, left-aligned so the
   unused panel width stays modest instead of inflating every cell. */
.systems-detail-page[data-systems-detail="evidence"] .focus-heatmap {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 11px);
  grid-auto-columns: 11px;
  justify-content: start;
  align-content: start;
  gap: 3px;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.systems-detail-page[data-systems-detail="evidence"] .focus-heatmap-cell {
  width: 11px;
  height: 11px;
  min-width: 11px;
  aspect-ratio: auto;
  border-radius: 2px;
}

.systems-detail-page .focus-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .systems-detail-summary .focus-status-line { text-align: left; }
}

@media (max-width: 1024px) {
  .systems-detail-hero-grid { grid-template-columns: 1fr; }
  .systems-detail-boundary { max-width: 720px; }
  .systems-detail-compact-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .systems-detail-page .focus-main { width: min(calc(100% - 32px), 1240px); }
  .systems-detail-summary { padding: 1.25rem; }
  .systems-detail-summary .focus-status-line { text-align: left; }
  .systems-detail-page .focus-rail { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .systems-detail-sequence { grid-template-columns: 1fr; }
  .systems-detail-sequence a { min-height: 72px; }
  .systems-detail-compact-grid.cols-3 { grid-template-columns: 1fr; }
  .systems-detail-ledger { grid-template-columns: 1fr; }
  .systems-detail-ledger div,
  .systems-detail-ledger div:nth-child(2n),
  .systems-detail-ledger div:nth-last-child(-n + 2),
  .systems-detail-ledger div:last-child:nth-child(odd) {
    grid-column: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .systems-detail-ledger div:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .systems-detail-sequence a { transition: none; }
}