docs/design_handoff/design_files/styles.css

/* Riprap component styles. Civic-tech-clean. */

/* ── App header ────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}
.app-header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 14px 28px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.app-header-left { display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 13px; }
.app-header-sep { color: var(--ink-tertiary); }
.app-header-context { color: var(--ink-secondary); letter-spacing: 0.04em; }
.app-header-mid { display: flex; justify-content: center; }
.app-header-query {
  background: var(--paper-deep);
  border: 1px solid var(--rule-soft);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 360px;
  text-align: left;
}
.app-header-query-icon { color: var(--ink-tertiary); }
.app-header-query-edit {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}
.app-header-right { display: flex; align-items: center; justify-content: flex-end; gap: 18px; font-family: var(--font-mono); font-size: 12px; }
.app-header-link { color: var(--ink-secondary); text-decoration: none; border-bottom: 1px solid transparent; }
.app-header-link:hover { border-bottom-color: var(--ink); color: var(--ink); }
.app-header-status { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-tertiary); text-transform: uppercase; letter-spacing: 0.1em; font-size: 11px; }
.app-header-status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-graphical); display: inline-block; }

/* ── Hero band (prototype) ───────────────────────────────── */
.hero-band { background: var(--paper); border-bottom: 1px solid var(--rule-soft); }
.hero-band-inner { max-width: 1600px; margin: 0 auto; padding: 32px 28px 56px; }

/* ── App shell layout ────────────────────────────────────── */
.app-shell {
  display: grid;
  gap: 24px;
}
.app-shell-desktop {
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  grid-template-areas:
    "brief map"
    "brief cites"
    "evidence evidence"
    "trace trace";
}
.app-shell-tablet {
  grid-template-columns: 1fr;
  grid-template-areas: "map" "brief" "cites" "evidence" "trace";
}
.app-shell-mobile {
  grid-template-columns: 1fr;
  grid-template-areas: "brief" "map" "cites" "evidence" "trace";
}
.app-region-brief { grid-area: brief; }
.app-region-map { grid-area: map; position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 96px); display: flex; flex-direction: column; }
.app-region-map .map-frame { flex: 1; min-height: 0; }
.app-region-cites { grid-area: cites; }
.app-region-evidence { grid-area: evidence; }
.app-region-trace { grid-area: trace; }

@media (max-width: 1099px) {
  .app-region-map { position: static; }
}

.region-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.region-head-meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.region-action {
  background: transparent;
  border: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  cursor: pointer;
  color: var(--ink-secondary);
}
.region-action:hover { border-color: var(--ink); color: var(--ink); }

.brief-h1 {
  font-size: 13px;
  line-height: 1.2;
  font-weight: 500;
  margin: 0 0 22px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
  font-family: var(--font-mono);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px 18px;
  align-items: end;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}
.brief-h1-addr {
  display: block;
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--ink);
  line-height: 1.1;
  margin-top: 4px;
}
.brief-h1-eyebrow {
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  display: block;
}
.brief-h1-meta {
  grid-column: 2;
  grid-row: 1;
  align-self: end;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-tertiary);
  text-transform: none;
  letter-spacing: 0.04em;
}
.brief-h1-meta-row { display: flex; gap: 6px; justify-content: flex-end; }
.brief-h1-meta-key { color: var(--ink-tertiary); }
.brief-h1-meta-val { color: var(--ink); font-weight: 500; }

/* ── Briefing prose ──────────────────────────────────────── */
.briefing-prose {
  font-size: 16px;
  line-height: var(--leading-prose);
  max-width: 70ch;
  position: relative;
}
.briefing-status {
  border-left: 2px solid var(--ink);
  padding: 4px 0 4px 14px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--ink-secondary);
}
.briefing-deck strong { color: var(--ink); font-weight: 600; }
.briefing-meta { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); margin-top: 6px; letter-spacing: 0.04em; }

.briefing-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 22px;
  font-weight: 600;
  margin: 32px 0 12px;
  border-top: 2px solid var(--ink);
  padding-top: 16px;
  flex-wrap: wrap;
}
.briefing-section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-tertiary);
  letter-spacing: 0.06em;
  font-weight: 500;
}
.briefing-section-label { font-family: var(--font-sans); font-weight: 600; }
.briefing-section-title {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-secondary);
  font-style: italic;
}
.briefing-section-tier { font-size: 11px; }

.briefing-para {
  margin: 0 0 18px;
  padding-left: 22px;
  position: relative;
  text-wrap: pretty;
}

.claim {
  position: relative;
}
.claim-glyph {
  position: absolute;
  left: -22px;
  top: 6px;
  display: inline-block;
}
.claim-empirical .claim-body { /* default */ }
.claim-modeled .claim-body { /* default */ }
.claim-proxy .claim-body { color: var(--ink-secondary); }
.claim-synthetic .claim-body {
  background: linear-gradient(transparent 60%, rgba(42,111,168,0.15) 60%);
  padding: 0 1px;
}

.inline-cite {
  color: var(--tier-empirical);
  font-family: var(--font-sans);
  font-weight: 500;
  text-decoration: none;
  font-size: 14px;
}
.inline-cite sup { font-size: 0.78em; }
.inline-cite:hover { background: rgba(11,83,148,0.08); }

.is-dense .briefing-section-head { margin: 18px 0 10px; padding-top: 12px; }
.is-dense .briefing-para { margin-bottom: 12px; }

.streaming-caret {
  display: inline-block;
  color: var(--accent-graphical);
  animation: blink 1s steps(2) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── Citation drawer ─────────────────────────────────────── */
.citation-drawer {
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: 16px 0;
  font-size: 13px;
}
.citation-drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.citation-drawer-meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.citation-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.citation-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 8px;
  padding: 10px 12px;
  border-left: 2px solid var(--rule-soft);
  transition: background 200ms;
}
.citation-item.is-active {
  border-left-color: var(--accent-graphical);
  background: rgba(209,124,0,0.06);
}
.citation-num { font-family: var(--font-mono); color: var(--ink-tertiary); font-size: 12px; }
.citation-line-1 { display: flex; align-items: center; gap: 8px; }
.citation-source { font-weight: 600; }
.citation-vintage { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); margin-left: auto; }
.citation-title { font-size: 13px; line-height: 1.4; margin: 4px 0; color: var(--ink-secondary); }
.citation-meta { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.citation-drawer-foot { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--rule-soft); }
.citation-foot-copy { font-size: 12px; color: var(--ink-tertiary); margin: 6px 0 0; max-width: 60ch; }

/* ── Map ─────────────────────────────────────────────────── */
.map-frame {
  position: relative;
  border: 1px solid var(--ink);
  background: var(--paper-deep);
  aspect-ratio: 8 / 5.6;
  overflow: hidden;
}
.map-legend {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(250, 250, 247, 0.96);
  border: 1px solid var(--ink);
  padding: 10px 12px 12px;
  width: 280px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  backdrop-filter: blur(4px);
}
.map-legend-head { padding-bottom: 6px; border-bottom: 1px solid var(--rule-soft); margin-bottom: 4px; }
.map-legend-item {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  gap: 10px;
  align-items: center;
  background: transparent;
  border: 0;
  padding: 6px 4px;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  border-bottom: 1px solid transparent;
  min-height: 44px;
}
.map-legend-item:hover { background: rgba(0,0,0,0.03); }
.map-legend-item.is-off { opacity: 0.45; }
.map-legend-text { display: flex; flex-direction: column; gap: 2px; }
.map-legend-label { font-size: 12px; line-height: 1.3; color: var(--ink); }
.map-legend-source { font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); display: inline-flex; gap: 6px; align-items: center; }
.map-legend-toggle { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--ink-tertiary); }
.is-on .map-legend-toggle { color: var(--accent); }

/* ── Trace UI ────────────────────────────────────────────── */
.trace-ui {
  border: 1px solid var(--rule-soft);
  background: var(--paper-deep);
}
.trace-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule-soft);
}
.trace-head-left { display: flex; align-items: center; gap: 14px; }
.trace-head-meta { display: flex; gap: 6px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-secondary); }
.trace-head-sep { color: var(--ink-tertiary); }
.trace-head-silent { color: var(--accent); }
.trace-collapse-btn {
  background: transparent;
  border: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  cursor: pointer;
  color: var(--ink-secondary);
}
.trace-col-heads {
  display: grid;
  grid-template-columns: 28px 24px 1fr 80px 140px;
  gap: 8px;
  padding: 8px 16px 6px;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}
.trace-tree { font-family: var(--font-mono); font-size: 13px; }
.trace-row { border-bottom: 1px solid var(--rule-soft); }
.trace-row-toggle {
  width: 100%;
  display: grid;
  grid-template-columns: 16px 24px 1fr 80px 140px;
  gap: 8px;
  align-items: center;
  background: transparent;
  border: 0;
  padding: 6px 16px 6px 0;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  min-height: 36px;
}
.trace-row-toggle[disabled] { cursor: default; }
.trace-row-toggle:hover:not([disabled]) { background: rgba(0,0,0,0.025); }
.trace-tree-glyph { color: var(--ink-tertiary); }
.trace-name { color: var(--ink); }
.trace-note { color: var(--ink-tertiary); }
.trace-ms-col { color: var(--ink-secondary); }
.trace-tier-col { display: inline-flex; align-items: center; gap: 6px; }
.trace-row-silent .trace-name { color: var(--ink-tertiary); }
.trace-silent-tag {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 1px 5px;
}
.trace-status-glyph { color: var(--ink-tertiary); font-size: 13px; }
.trace-output {
  padding: 4px 16px 8px 0;
  font-size: 12px;
  color: var(--ink-secondary);
  display: flex;
  gap: 10px;
  align-items: baseline;
  border-top: 1px dashed var(--rule-soft);
  background: rgba(0,0,0,0.015);
}
.trace-output-prefix { color: var(--ink-tertiary); }
.trace-output-claims { margin-left: auto; padding-right: 16px; font-family: var(--font-mono); font-size: 11px; color: var(--accent); }

/* ── Evidence cards ──────────────────────────────────────── */
.evidence-grid-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.evidence-grid-meta { display: flex; gap: 12px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); }
.evidence-grid-tally { display: inline-flex; align-items: center; gap: 4px; }
.evidence-grid-rail {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.evidence-card {
  border: 1px solid var(--rule-soft);
  background: var(--paper);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  border-top: 3px solid var(--ink);
}
.evidence-card-empirical { border-top-color: var(--tier-empirical); }
.evidence-card-modeled { border-top-color: var(--tier-modeled); }
.evidence-card-proxy { border-top-color: var(--tier-proxy); }
.evidence-card-synthetic { border-top-color: var(--tier-synthetic); border-top-style: dashed; }

.evidence-card-head { display: flex; justify-content: space-between; align-items: center; }
.evidence-card-source { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13px; }
.evidence-card-vintage { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.evidence-card-title { font-size: 14px; font-weight: 600; line-height: 1.3; margin: 0; }
.evidence-card-body { padding: 4px 0; }
.evidence-scalar-value { font-size: 24px; font-weight: 600; line-height: 1.1; font-family: var(--font-serif); }
.evidence-scalar-unit { font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); margin-top: 2px; }
.evidence-scalar-aux { font-size: 12px; color: var(--ink-tertiary); margin-top: 4px; line-height: 1.4; }
.evidence-spark-headline { font-size: 18px; font-weight: 600; font-family: var(--font-serif); margin-bottom: 4px; }
.evidence-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 11px; }
.evidence-table th, .evidence-table td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--rule-soft); }
.evidence-table th { color: var(--ink-tertiary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; font-size: 9px; }
.evidence-thumb { display: flex; flex-direction: column; gap: 6px; }
.evidence-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--rule-soft);
}
.evidence-card-cite {
  background: transparent;
  border: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-secondary);
  cursor: pointer;
  padding: 4px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.evidence-card-cite:hover { color: var(--accent); }
.evidence-card-cite-arrow { color: var(--ink-tertiary); }

/* ── Cold start ─────────────────────────────────────────── */
.cold-start { max-width: 920px; margin: 0 auto; padding: 32px 0; }
.cold-start-band { border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule-soft); padding: 24px 0; margin-bottom: 32px; }
.cold-start-deck { font-size: 18px; line-height: 1.5; max-width: 70ch; margin: 0 0 12px; text-wrap: pretty; }
.cold-start-deck-secondary { font-size: 14px; color: var(--ink-secondary); }
.cold-start-redir { color: var(--accent); border-bottom: 1px solid var(--accent); text-decoration: none; }
.cold-start-form { margin-bottom: 32px; }
.cold-start-label { display: block; margin-bottom: 8px; }
.cold-start-input-row { display: grid; grid-template-columns: 1fr auto; gap: 0; border: 2px solid var(--ink); }
.cold-start-input { padding: 14px 16px; font-family: var(--font-mono); font-size: 14px; border: 0; background: var(--paper); color: var(--ink); }
.cold-start-input:focus { outline: 0; background: var(--paper-deep); }
.cold-start-submit { background: var(--ink); color: var(--paper); border: 0; padding: 0 20px; font-family: var(--font-mono); font-size: 13px; cursor: pointer; letter-spacing: 0.04em; }
.cold-start-submit:hover { background: var(--accent); }
.cold-start-samples { margin-bottom: 32px; }
.cold-start-samples-label { display: block; margin-bottom: 12px; }
.cold-start-samples-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.cold-start-sample {
  text-align: left;
  background: var(--paper-deep);
  border: 1px solid var(--rule-soft);
  padding: 14px 16px;
  font-family: var(--font-sans);
  cursor: pointer;
  display: grid;
  gap: 4px;
  position: relative;
  min-height: 80px;
}
.cold-start-sample:hover { border-color: var(--ink); }
.cold-start-sample-mode { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.cold-start-sample-q { font-size: 14px; font-weight: 500; line-height: 1.3; color: var(--ink); }
.cold-start-sample-sub { font-size: 11px; color: var(--ink-tertiary); font-family: var(--font-mono); }
.cold-start-sample-arrow { position: absolute; top: 12px; right: 14px; color: var(--ink-tertiary); }
.cold-start-trust { border-top: 1px solid var(--rule-soft); padding-top: 16px; }
.cold-start-trust-list { font-size: 13px; line-height: 1.5; color: var(--ink-secondary); padding-left: 18px; margin: 8px 0; }
.cold-start-method-link { font-family: var(--font-mono); font-size: 13px; color: var(--ink); border-bottom: 1px solid var(--ink); text-decoration: none; }

/* ── Spec band ──────────────────────────────────────────── */
.spec-band { background: var(--paper-deep); border-top: 2px solid var(--ink); }
.spec-band-inner { max-width: 1600px; margin: 0 auto; padding: 56px 28px 80px; }
.spec-band-head { max-width: 70ch; margin-bottom: 56px; }
.spec-band-title { font-size: 42px; line-height: 1.1; font-weight: 600; margin: 12px 0 16px; letter-spacing: -0.02em; font-family: var(--font-serif); }
.spec-band-deck { font-size: 17px; line-height: 1.5; color: var(--ink-secondary); }
.spec-toc { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0; margin-top: 32px; border-top: 1px solid var(--rule-soft); border-left: 1px solid var(--rule-soft); }
.spec-toc-item { display: flex; gap: 8px; padding: 10px 14px; border-right: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); text-decoration: none; color: var(--ink); background: var(--paper); font-family: var(--font-mono); font-size: 12px; align-items: baseline; }
.spec-toc-item:hover { background: var(--paper-deep); color: var(--accent); }
.spec-toc-n { color: var(--ink-tertiary); }

.spec-section { padding: 48px 0; border-top: 2px solid var(--ink); }
.spec-section-head { max-width: 70ch; margin-bottom: 32px; display: flex; flex-direction: column; gap: 6px; }
.spec-section-title { font-size: 32px; line-height: 1.15; font-weight: 600; margin: 4px 0 12px; font-family: var(--font-serif); }
.spec-section-deck { font-size: 15px; line-height: 1.55; color: var(--ink-secondary); margin: 0; }

/* Overview */
.overview-tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border-top: 1px solid var(--rule-soft); border-left: 1px solid var(--rule-soft); }
.overview-tier { padding: 20px; border-right: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); background: var(--paper); display: flex; flex-direction: column; gap: 10px; }
.overview-tier-head { display: flex; align-items: center; gap: 10px; }
.overview-tier-name { font-size: 16px; font-weight: 600; }
.overview-tier-desc { font-size: 13px; color: var(--ink-secondary); margin: 0; line-height: 1.5; }
.overview-tier-ex { font-size: 11px; font-family: var(--font-mono); color: var(--ink-tertiary); margin: 0; line-height: 1.5; }

/* Palette */
.palette-grid { display: grid; gap: 0; border-top: 1px solid var(--rule-soft); }
.palette-row {
  display: grid;
  grid-template-columns: 60px 1.6fr 1.2fr 1.4fr 2fr;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 13px;
}
.palette-swatch { width: 48px; height: 48px; border: 1px solid var(--rule-soft); }
.palette-swatch.is-syn { background-image: repeating-linear-gradient(45deg, transparent 0, transparent 3px, #2A6FA8 3px, #2A6FA8 4px); }
.palette-name { font-weight: 600; font-size: 14px; }
.palette-token { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.palette-hex { font-family: var(--font-mono); font-size: 12px; color: var(--ink-secondary); }
.palette-contrast-ratio { font-family: var(--font-mono); font-size: 14px; font-weight: 600; }
.palette-contrast-grade { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; }
.palette-contrast-aaa, .palette-contrast-aa { color: var(--tier-empirical); }
.palette-contrast-decorative { color: var(--ink-tertiary); }
.palette-note { font-size: 12px; color: var(--ink-secondary); line-height: 1.4; }
.cvd-strip { margin-top: 24px; padding: 16px; background: var(--paper); border: 1px solid var(--rule-soft); }
.cvd-copy { font-size: 13px; line-height: 1.55; color: var(--ink-secondary); margin: 8px 0 0; max-width: 70ch; }

/* Type spec */
.type-spec-table { border-top: 1px solid var(--rule-soft); margin-bottom: 32px; }
.type-spec-row { display: grid; grid-template-columns: 1.4fr 1.2fr 1.4fr 2fr; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--rule-soft); font-size: 13px; align-items: baseline; }
.type-spec-head { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-tertiary); }
.type-spec-surface { font-weight: 500; }
.type-spec-family { font-family: var(--font-mono); font-size: 12px; color: var(--ink-secondary); }
.type-spec-size { font-family: var(--font-mono); font-size: 12px; color: var(--ink-secondary); }
.type-spec-use { color: var(--ink-secondary); font-size: 12px; }
.type-spec-samples { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; padding: 20px; background: var(--paper); border: 1px solid var(--rule-soft); }
.type-sample { display: flex; flex-direction: column; }

/* Glyphs */
.glyph-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0; border-top: 1px solid var(--rule-soft); border-left: 1px solid var(--rule-soft); }
.glyph-cell { padding: 24px; border-right: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); display: flex; flex-direction: column; gap: 14px; background: var(--paper); }
.glyph-display { width: 96px; height: 96px; background: var(--paper-deep); display: flex; align-items: center; justify-content: center; border: 1px solid var(--rule-soft); }
.glyph-anatomy { display: flex; flex-direction: column; gap: 4px; }
.glyph-anatomy-title { font-size: 16px; font-weight: 600; }
.glyph-anatomy-shape { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.glyph-anatomy-desc { font-size: 13px; color: var(--ink-secondary); line-height: 1.5; }
.glyph-anatomy-ex { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); line-height: 1.5; }
.glyph-sizes, .glyph-mono { display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); border-top: 1px dashed var(--rule-soft); padding-top: 10px; }
.glyph-sizes-label { min-width: 80px; }
.glyph-sizes-mono { color: var(--ink-tertiary); margin-left: auto; }
.glyph-mono > svg:last-of-type { background: #1A1A1A; padding: 2px; border-radius: 1px; }

/* Map spec */
.map-spec-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 24px; align-items: stretch; }
.map-spec-preview { border: 1px solid var(--ink); aspect-ratio: 8 / 5.6; position: relative; overflow: hidden; }
.map-spec-caption { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(250,250,247,0.92); padding: 6px 12px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); border-top: 1px solid var(--rule-soft); }
.map-spec-code { font-family: var(--font-mono); font-size: 11px; line-height: 1.55; background: var(--ink); color: var(--paper); padding: 16px; margin: 0; overflow-x: auto; max-height: 560px; overflow-y: auto; }

@media (max-width: 900px) { .map-spec-grid { grid-template-columns: 1fr; } }

/* Layouts */
.layout-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.layout-fig { margin: 0; }
.layout-fig-cap { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 8px; border-bottom: 1px solid var(--rule-soft); margin-bottom: 12px; }
.layout-fig-meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.layout-canvas { background: var(--paper); border: 1px solid var(--ink); display: grid; gap: 4px; padding: 8px; }
.layout-canvas-desktop { grid-template-columns: 5fr 7fr; grid-template-rows: 220px 80px 60px; aspect-ratio: 16/10; }
.layout-canvas-tablet { grid-template-rows: 160px 120px 80px; aspect-ratio: 4/5; }
.layout-canvas-mobile { grid-template-rows: 180px 100px 100px 60px; aspect-ratio: 9/16; max-height: 540px; }
.layout-region { background: var(--paper-deep); border: 1px dashed var(--rule-soft); padding: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); display: flex; flex-direction: column; justify-content: space-between; }
.layout-region-w { color: var(--ink-tertiary); font-size: 10px; }
.layout-canvas-desktop .layout-region-brief { grid-row: 1 / span 2; }
.layout-canvas-desktop .layout-region-map { grid-column: 2; }
.layout-canvas-desktop .layout-region-evidence { grid-column: 1 / span 2; }
.layout-canvas-desktop .layout-region-trace { grid-column: 1 / span 2; background: var(--paper); }
.layout-region-brief { background: rgba(11,83,148,0.08); border-color: var(--tier-empirical); }
.layout-region-map { background: rgba(42,111,168,0.08); border-color: var(--tier-modeled); }
.layout-region-evidence { background: rgba(107,107,107,0.08); }
.layout-region-tabs { background: rgba(11,83,148,0.06); }
.layout-region-trace { background: var(--paper-deep); border-style: solid; }

/* PDF spec */
.pdf-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; align-items: start; }
.pdf-page { aspect-ratio: 210 / 297; background: var(--paper); border: 1px solid var(--rule-soft); box-shadow: 0 12px 32px -16px rgba(0,0,0,0.18); position: relative; overflow: hidden; }
.pdf-page-inner { position: absolute; inset: 0; padding: 28px 28px; display: flex; flex-direction: column; gap: 14px; font-size: 10px; line-height: 1.45; }
.pdf-cover-band { display: flex; justify-content: space-between; padding-bottom: 12px; border-bottom: 2px solid var(--ink); font-family: var(--font-mono); font-size: 9px; color: var(--ink-secondary); }
.pdf-cover-band-meta { letter-spacing: 0.06em; }
.pdf-cover-headline { padding: 24px 0; }
.pdf-cover-eyebrow { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-tertiary); }
.pdf-cover-title { font-family: var(--font-serif); font-size: 28px; font-weight: 600; line-height: 1.1; margin: 8px 0 6px; letter-spacing: -0.01em; }
.pdf-cover-deck { font-family: var(--font-mono); font-size: 10px; color: var(--ink-secondary); margin: 0; }
.pdf-cover-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); padding: 12px 0; font-size: 10px; }
.pdf-cover-meta div { display: flex; gap: 6px; }
.pdf-cover-meta dt { font-family: var(--font-mono); font-size: 9px; color: var(--ink-tertiary); text-transform: uppercase; letter-spacing: 0.08em; min-width: 88px; margin: 0; }
.pdf-cover-meta dd { margin: 0; font-size: 10px; }
.pdf-cover-models ul { margin: 6px 0 0; padding-left: 14px; font-family: var(--font-mono); font-size: 9px; line-height: 1.6; color: var(--ink-secondary); }
.pdf-cover-foot { margin-top: auto; display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--ink); font-family: var(--font-mono); font-size: 9px; color: var(--ink-secondary); }
.pdf-cover-foot a { color: var(--ink); }

.pdf-running-head { display: flex; justify-content: space-between; padding-bottom: 8px; border-bottom: 1px solid var(--rule-soft); font-family: var(--font-mono); font-size: 9px; color: var(--ink-tertiary); }
.pdf-running-foot { margin-top: auto; padding-top: 8px; border-top: 1px solid var(--rule-soft); font-family: var(--font-mono); font-size: 8px; color: var(--ink-tertiary); }
.pdf-h2 { font-family: var(--font-sans); font-size: 14px; font-weight: 600; margin: 8px 0 6px; }
.pdf-h3 { font-family: var(--font-sans); font-size: 11px; font-weight: 600; margin: 8px 0 4px; }
.pdf-prose { font-family: var(--font-serif); font-size: 10px; line-height: 1.5; }
.pdf-prose p { margin: 0 0 8px; padding-left: 16px; position: relative; }
.pdf-margin-glyph { position: absolute; left: 0; top: 4px; }
.pdf-prose sup { color: var(--tier-empirical); font-family: var(--font-sans); font-weight: 500; }
.pdf-cite-list { font-family: var(--font-serif); font-size: 9px; line-height: 1.55; padding-left: 16px; margin: 8px 0; }
.pdf-cite-list li { margin-bottom: 6px; }
.pdf-cite-list span { font-family: var(--font-mono); font-size: 8px; color: var(--ink-tertiary); }

/* A11y */
.a11y-grid { display: grid; gap: 0; border-top: 1px solid var(--rule-soft); }
.a11y-row { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 12px 0; border-bottom: 1px solid var(--rule-soft); font-size: 13px; align-items: baseline; }
.a11y-key { padding-top: 2px; }
.a11y-val { color: var(--ink-secondary); line-height: 1.55; }

/* Refs */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.ref-card { background: var(--paper); border: 1px solid var(--rule-soft); display: flex; flex-direction: column; }
.ref-card-thumb { aspect-ratio: 200/140; border-bottom: 1px solid var(--rule-soft); }
.ref-card-body { padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.ref-card-name { margin: 0; font-size: 14px; font-weight: 600; }
.ref-card-borrow { font-size: 12px; color: var(--ink-secondary); line-height: 1.5; margin: 0; }
.ref-card-url { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }

/* Rationale */
.spec-section-quote { background: var(--paper); }
.rationale-quote { margin: 0; max-width: 70ch; border-left: 3px solid var(--ink); padding: 16px 0 16px 24px; }
.rationale-quote p { font-family: var(--font-serif); font-size: 19px; line-height: 1.55; margin: 0 0 16px; text-wrap: pretty; }
.rationale-cite { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--ink-tertiary); font-style: normal; }

/* Footer */
.app-footer { background: var(--ink); color: var(--paper); }
.app-footer-inner { max-width: 1600px; margin: 0 auto; padding: 32px 28px; display: flex; flex-direction: column; gap: 12px; }
.app-footer-guard { font-size: 14px; line-height: 1.5; max-width: 70ch; margin: 0; }
.app-footer-guard a { color: var(--accent-graphical); border-bottom: 1px solid var(--accent-graphical); text-decoration: none; }
.app-footer-build { font-family: var(--font-mono); font-size: 11px; color: rgba(250,250,247,0.55); margin: 0; letter-spacing: 0.04em; }

/* Dark mode ,  deferred to v0.5 (see §17). Partial styles removed in v0.4.2. */

/* ════════════════════════════════════════════════════════════════════
   v0.4.2 APPENDIX STYLES
   §11 loading · §12 errors · §13 guardian · §14 stripe · §15 register
   §16 caveats · §17 dark mode · §18 print · §19 changelog
   ════════════════════════════════════════════════════════════════════ */

/* v0.4.2 banner */
.v042-band { background: var(--paper); border-top: 1px solid var(--rule-soft); }
.v042-banner { background: linear-gradient(180deg, #F4EFE5 0%, var(--paper) 100%); border: 1px solid var(--rule-soft); padding: 36px 32px; margin-bottom: 48px; }
.v042-banner-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
.v042-banner-title { font-family: var(--font-serif); font-size: 30px; font-weight: 600; line-height: 1.18; margin: 8px 0 12px; letter-spacing: -0.01em; }
.v042-banner-deck { font-size: 15px; line-height: 1.6; color: var(--ink-secondary); max-width: 60ch; }
.v042-toc { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--rule-soft); }
.v042-toc-item { display: flex; gap: 10px; padding: 10px 14px; border-right: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); font-size: 13px; color: var(--ink); text-decoration: none; align-items: baseline; background: white; }
.v042-toc-item:nth-child(2n) { border-right: none; }
.v042-toc-item:hover { background: #F8F4EA; }
.v042-toc-n { font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); letter-spacing: 0.06em; min-width: 28px; }

/* §11 Loading + skeleton + reroll */
.loading-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 28px; }
.loading-fig { display: flex; flex-direction: column; gap: 10px; }
.loading-cap { display: flex; flex-direction: column; gap: 4px; }
.loading-cap-meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.04em; }
.loading-frame { background: white; border: 1px solid var(--rule-soft); padding: 20px; min-height: 320px; }

.skeleton-brief { display: flex; flex-direction: column; gap: 18px; }
.skeleton-status { display: flex; flex-direction: column; gap: 6px; padding-bottom: 12px; border-bottom: 1px solid var(--rule-soft); }
.skeleton-section { display: flex; flex-direction: column; gap: 8px; }
.skeleton-head { display: flex; align-items: baseline; gap: 12px; padding-bottom: 4px; }
.skeleton-num { font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); letter-spacing: 0.08em; }
.skeleton-label { font-family: var(--font-serif); font-size: 16px; font-weight: 600; color: var(--ink); }
.skeleton-spinner { font-family: var(--font-mono); color: var(--tier-modeled); font-size: 12px; animation: skeletonBlink 1.1s ease-in-out infinite; margin-left: auto; }
.skeleton-pulse { display: block; height: 12px; background: linear-gradient(90deg, #ECE8DD 0%, #DAD4C5 50%, #ECE8DD 100%); background-size: 200% 100%; animation: skeletonShimmer 1.6s ease-in-out infinite; border-radius: 1px; }
.skeleton-pulse-meta { height: 9px; }
@keyframes skeletonShimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
@keyframes skeletonBlink { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .skeleton-pulse { animation: none; background: #E2DCCC; }
  .skeleton-spinner { animation: none; opacity: 0.6; }
}

.reroll-banner { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: rgba(42,111,168,0.08); border-left: 3px solid var(--tier-modeled); margin-bottom: 14px; }
.reroll-body { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.reroll-head { font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: var(--ink); }
.reroll-sub { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.03em; }
.reroll-spinner { font-size: 16px; color: var(--tier-modeled); animation: rerollSpin 2s linear infinite; }
@keyframes rerollSpin { 100% { transform: rotate(360deg); } }
.reroll-prev { opacity: 0.4; pointer-events: none; }
.reroll-prev-line { font-family: var(--font-serif); font-size: 14px; line-height: 1.55; color: var(--ink); margin-bottom: 8px; }

.loading-rules { padding: 18px 22px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--tier-empirical); }
.loading-rules ul { margin: 8px 0 0 18px; }
.loading-rules li { font-size: 13px; line-height: 1.6; margin-bottom: 4px; color: var(--ink-secondary); }

/* §12 Errors */
.error-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.error-card { background: white; border: 1px solid var(--rule-soft); padding: 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.error-card-head { display: flex; align-items: center; gap: 8px; padding-bottom: 8px; border-bottom: 1px solid var(--rule-soft); }
.error-card-eyebrow { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.06em; text-transform: uppercase; }
.error-card-headline { font-family: var(--font-serif); font-size: 19px; font-weight: 600; line-height: 1.3; margin: 0; }
.error-card-body { font-size: 14px; line-height: 1.55; color: var(--ink-secondary); margin: 0; }
.error-card-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.error-card-action { font-family: var(--font-sans); font-size: 12px; font-weight: 500; padding: 7px 14px; border: 1px solid var(--ink); background: white; cursor: pointer; letter-spacing: 0.02em; }
.error-card-action.is-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.error-card-action:hover { background: #F4EFE5; }
.error-card-action.is-primary:hover { background: #2A2A2A; }
.error-card-foot { display: flex; flex-direction: column; gap: 2px; padding-top: 10px; margin-top: 4px; border-top: 1px dashed var(--rule-soft); }
.error-card-foot-copy { font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); letter-spacing: 0.03em; }

/* §13 Guardian */
.guardian-tabs { display: flex; gap: 0; border: 1px solid var(--rule-soft); margin-bottom: 0; flex-wrap: wrap; }
.guardian-tab { font-family: var(--font-sans); font-size: 12px; font-weight: 500; padding: 11px 16px; background: white; border: none; border-right: 1px solid var(--rule-soft); cursor: pointer; flex: 1; min-width: 180px; text-align: left; color: var(--ink-secondary); letter-spacing: 0.01em; }
.guardian-tab:last-child { border-right: none; }
.guardian-tab.is-active { background: var(--ink); color: var(--paper); }
.guardian-tab:hover:not(.is-active) { background: #F8F4EA; color: var(--ink); }

.guardian-card { background: white; border: 1px solid var(--rule-soft); border-top: none; padding: 32px 36px; display: flex; flex-direction: column; gap: 14px; }
.guardian-head { display: flex; align-items: baseline; gap: 8px; }
.guardian-eyebrow { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.06em; text-transform: uppercase; }
.guardian-title { font-family: var(--font-serif); font-size: 24px; font-weight: 600; line-height: 1.25; margin: 0; }
.guardian-body { font-family: var(--font-serif); font-size: 16px; line-height: 1.6; color: var(--ink); max-width: 60ch; margin: 0; }
.guardian-redirect { display: flex; flex-direction: column; gap: 4px; padding: 14px 18px; border: 1px solid var(--ink); background: #FBF8EF; text-decoration: none; color: var(--ink); margin: 6px 0; max-width: 480px; }
.guardian-redirect:hover { background: #F4EFE5; }
.guardian-redirect-label { font-family: var(--font-sans); font-size: 14px; font-weight: 600; }
.guardian-redirect-url { font-family: var(--font-mono); font-size: 12px; color: var(--ink-secondary); letter-spacing: 0.02em; }
.guardian-no-redirect { padding: 14px 18px; border-left: 2px solid var(--ink-tertiary); background: #FBF8EF; max-width: 540px; }
.guardian-no-redirect p { font-size: 13px; line-height: 1.55; color: var(--ink-secondary); margin: 4px 0 0; }
.guardian-foot { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.03em; padding-top: 12px; border-top: 1px dashed var(--rule-soft); }

.guardian-a11y { padding: 18px 22px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--tier-empirical); margin-top: 22px; }
.guardian-a11y p { font-size: 13px; line-height: 1.6; color: var(--ink-secondary); margin: 6px 0 0; }
.guardian-a11y em { font-family: var(--font-serif); font-style: italic; color: var(--ink); }

/* §14 syn-stripe */
.stripe-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 22px; }
.stripe-cell { display: flex; flex-direction: column; gap: 8px; padding: 18px; background: white; border: 1px solid var(--rule-soft); }
.stripe-preview { width: 100%; height: 180px; border: 1px solid var(--rule-soft); background-color: #FAFAF7; overflow: hidden; }
.stripe-preview > div { background-repeat: repeat; background-size: 12px 12px !important; }
.stripe-code { font-family: var(--font-mono); font-size: 10px; line-height: 1.5; color: var(--ink-secondary); background: #FBF8EF; padding: 10px 12px; border: 1px solid var(--rule-soft); white-space: pre-wrap; overflow-x: auto; max-height: 180px; overflow-y: auto; }
.stripe-code-wide { max-height: 360px; }
.stripe-reg { padding: 18px; background: white; border: 1px solid var(--rule-soft); margin-bottom: 18px; }
.stripe-reg .section-label { display: block; margin-bottom: 8px; }
.stripe-data { padding: 14px 18px; background: white; border: 1px solid var(--rule-soft); }
.stripe-data .section-label { display: block; margin-bottom: 6px; }
.stripe-data-uri { display: block; font-family: var(--font-mono); font-size: 10px; color: var(--ink-secondary); word-break: break-all; line-height: 1.5; max-height: 80px; overflow-y: auto; }

/* §15 Register card */
.register-frame { padding: 28px; background: var(--paper); border: 1px solid var(--rule-soft); margin-bottom: 22px; }
.register-card { background: white; border: 1px solid var(--rule-soft); padding: 22px 26px; max-width: 760px; }
.register-card-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 10px; border-bottom: 1px solid var(--rule-soft); margin-bottom: 14px; }
.register-card-source { display: flex; align-items: center; gap: 6px; }
.register-card-source-label { font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); letter-spacing: 0.04em; }
.register-card-vintage { font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); letter-spacing: 0.05em; }
.register-card-title { font-family: var(--font-serif); margin: 0 0 16px; display: flex; align-items: baseline; gap: 10px; line-height: 1.2; }
.register-card-count { font-size: 32px; font-weight: 600; color: var(--ink); }
.register-card-type { font-size: 16px; font-weight: 400; color: var(--ink-secondary); }
.register-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.register-table thead th { font-family: var(--font-mono); font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-tertiary); padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--rule-soft); }
.register-row { border-bottom: 1px solid #ECE8DD; cursor: pointer; transition: background 0.12s; }
.register-row:hover { background: #FBF8EF; }
.register-row.is-open { background: #F4EFE5; }
.register-row td { padding: 10px 8px; vertical-align: middle; }
.register-row-glyph { display: flex; align-items: center; gap: 4px; }
.register-row-name { font-family: var(--font-sans); font-weight: 500; color: var(--ink); }
.register-yes { color: var(--tier-empirical); font-weight: 600; }
.register-no { color: var(--ink-tertiary); }
.register-detail td { padding: 0 8px 14px; background: #F4EFE5; border-bottom: 1px solid var(--rule-soft); }
.register-detail-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 14px; padding: 14px 0; }
.register-detail-grid > div { display: flex; flex-direction: column; gap: 4px; }
.register-detail-grid p { font-size: 12px; line-height: 1.45; color: var(--ink-secondary); margin: 0; }
.register-card-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; margin-top: 14px; border-top: 1px dashed var(--rule-soft); }
.register-foot-note { font-size: 12px; color: var(--ink-tertiary); font-style: italic; max-width: 50ch; }

.register-rules { padding: 18px 22px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--tier-empirical); }
.register-rules ul { margin: 8px 0 0 18px; }
.register-rules li { font-size: 13px; line-height: 1.6; margin-bottom: 4px; color: var(--ink-secondary); }

/* §16 caveats */
.caveat-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0; }
.caveat-list li { padding: 14px 18px; background: white; border: 1px solid var(--rule-soft); border-bottom: none; font-size: 14px; line-height: 1.55; color: var(--ink-secondary); }
.caveat-list li:last-child { border-bottom: 1px solid var(--rule-soft); }
.caveat-list strong { color: var(--ink); font-weight: 600; }

/* §17 dark mode */
.darkmode-rules { padding: 18px 22px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--tier-proxy); }
.darkmode-rules ul { margin: 8px 0 0 18px; }
.darkmode-rules li { font-size: 13px; line-height: 1.6; margin-bottom: 4px; color: var(--ink-secondary); }

/* §18 print */
.print-css-block { font-family: var(--font-mono); font-size: 11px; line-height: 1.55; color: var(--ink); background: #FBF8EF; padding: 18px 22px; border: 1px solid var(--rule-soft); white-space: pre; overflow-x: auto; }

/* §19 changelog */
.spec-section-changelog .changelog-list { list-style: none; padding: 0; margin: 0; }
.changelog-row { display: grid; grid-template-columns: 60px 1fr 90px; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--rule-soft); font-size: 13px; align-items: center; }
.changelog-row:last-child { border-bottom: none; }
.changelog-n { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.06em; }
.changelog-label { color: var(--ink); }
.changelog-status { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--tier-empirical); text-align: right; }

/* ════════════════════════════════════════════════════════════════════
   v0.4.3 ,  The Five Stones UI
   §20 taxonomy · §21 trace rework · §22 cold-start · §23 methodology
   §24 reusability · §25 a11y · §26 CSS deltas · §27 rationale
   ════════════════════════════════════════════════════════════════════ */

/* New tokens (Stones-band + warning status) */
:root {
  --status-warning:        var(--accent-graphical);
  --status-warning-soft:   rgba(209, 124, 0, 0.10);
  --status-error:          #B8620A;
  --status-error-soft:     rgba(184, 98, 10, 0.08);
  --stone-band-rule:       var(--ink);
  --stone-band-bg:         #FBF8EF;
  --stone-band-bg-active:  #F4EFE5;
}

/* §20 Banner + Stone strip */
.v043-banner-frame { padding: 0 0 32px; border-top: 1px solid var(--rule-soft); }
.v043-banner { background: linear-gradient(180deg, #F4EFE5 0%, var(--paper) 100%); border: 1px solid var(--rule-soft); padding: 36px 32px; display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 36px; align-items: start; }
.v043-banner-title { font-family: var(--font-serif); font-size: 30px; font-weight: 600; line-height: 1.18; margin: 8px 0 12px; letter-spacing: -0.01em; }
.v043-banner-deck { font-size: 15px; line-height: 1.62; color: var(--ink-secondary); max-width: 60ch; }
.v043-banner-deck em { font-family: var(--font-serif); font-style: italic; color: var(--ink); }

.v043-stones-strip { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--rule-soft); background: white; counter-reset: stone; }
.v043-stones-strip li:nth-child(5) { grid-column: span 2; }
.v043-stone-chip { padding: 14px 16px; border-right: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); display: flex; flex-direction: column; gap: 3px; counter-increment: stone; position: relative; }
.v043-stone-chip:nth-child(2n) { border-right: none; }
.v043-stone-chip:nth-last-child(-n+1) { border-bottom: none; }
.v043-stone-chip::before { content: counter(stone, decimal-leading-zero); position: absolute; top: 12px; right: 16px; font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); letter-spacing: 0.06em; }
.v043-stone-name { font-family: var(--font-sans); font-size: 16px; font-weight: 600; color: var(--ink); }
.v043-stone-role { font-family: var(--font-sans); font-size: 12px; color: var(--ink-secondary); letter-spacing: 0.01em; }
.v043-stone-tag { font-family: var(--font-serif); font-style: italic; font-size: 13px; color: var(--ink-tertiary); }

.v043-toc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--rule-soft); margin-bottom: 36px; }
.v043-toc-item { display: flex; gap: 10px; padding: 10px 14px; border-right: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); font-size: 13px; color: var(--ink); text-decoration: none; align-items: baseline; background: white; }
.v043-toc-item:nth-child(4n) { border-right: none; }
.v043-toc-item:nth-last-child(-n+4):nth-child(n+5) { border-bottom: none; }
.v043-toc-item:hover { background: #F8F4EA; }
.v043-toc-n { font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); letter-spacing: 0.06em; min-width: 28px; }

/* §20 Stones taxonomy table */
.stones-table { width: 100%; border-collapse: collapse; font-size: 13px; background: white; border: 1px solid var(--rule-soft); }
.stones-table thead th { font-family: var(--font-mono); font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-tertiary); padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--rule-soft); background: #FBF8EF; }
.stones-row td { padding: 14px 12px; vertical-align: top; border-bottom: 1px solid #ECE8DD; }
.stones-row:last-child td { border-bottom: none; }
.stones-row-stone { display: block; font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--ink); }
.stones-row-tag { display: block; font-family: var(--font-serif); font-style: italic; font-size: 12px; color: var(--ink-tertiary); margin-top: 2px; }
.stones-row-role { font-family: var(--font-sans); color: var(--ink-secondary); white-space: nowrap; }
.stones-row-posture { line-height: 1.55; color: var(--ink); }
.stones-row-count { white-space: nowrap; }
.stones-row-num { font-family: var(--font-serif); font-size: 22px; font-weight: 600; color: var(--ink); margin-right: 6px; }
.stones-row-numlabel { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.stones-row-reuse { font-size: 12px; color: var(--ink-secondary); line-height: 1.5; max-width: 28ch; }
.stones-row-reuse-muted { color: var(--ink-tertiary); font-style: italic; }

.stones-pullquote { font-family: var(--font-serif); font-style: italic; font-size: 22px; line-height: 1.45; color: var(--ink); padding: 28px 32px; margin: 28px 0 0; border-left: 3px solid var(--ink); background: #FBF8EF; max-width: 64ch; }

/* §21 Treatment tabs */
.treatment-tabs { display: flex; border: 1px solid var(--rule-soft); margin-bottom: 0; }
.treatment-tab { font-family: var(--font-sans); font-size: 12px; font-weight: 500; padding: 12px 18px; background: white; border: none; border-right: 1px solid var(--rule-soft); cursor: pointer; flex: 1; color: var(--ink-secondary); letter-spacing: 0.02em; text-align: left; }
.treatment-tab:last-child { border-right: none; }
.treatment-tab.is-active { background: var(--ink); color: var(--paper); }
.treatment-tab:hover:not(.is-active) { background: #F8F4EA; color: var(--ink); }

.treatment-frame { background: white; border: 1px solid var(--rule-soft); padding: 28px 32px; display: grid; grid-template-columns: 1fr 1.4fr; gap: 32px; align-items: start; }
.treatment-frame-stacked { grid-template-columns: 1fr; gap: 24px; margin-bottom: 18px; }
.treatment-meta { display: flex; flex-direction: column; gap: 12px; }
.treatment-deck { font-size: 14px; line-height: 1.6; color: var(--ink-secondary); }
.treatment-deck code { font-family: var(--font-mono); font-size: 12px; background: #FBF8EF; padding: 1px 4px; border: 1px solid var(--rule-soft); }
.treatment-tradeoffs { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 13px; line-height: 1.55; }
.treatment-tradeoffs li { color: var(--ink-secondary); padding-left: 18px; position: relative; }
.treatment-tradeoffs strong { position: absolute; left: 0; font-family: var(--font-mono); color: var(--ink); }

.treatment-rec { background: white; border: 1px solid var(--rule-soft); padding: 32px 36px; }
.treatment-rec-title { font-family: var(--font-serif); font-size: 26px; font-weight: 600; margin: 8px 0 14px; }
.treatment-rec p { font-family: var(--font-serif); font-size: 15px; line-height: 1.6; color: var(--ink); max-width: 64ch; margin: 0 0 12px; }
.treatment-rec p code { font-family: var(--font-mono); font-size: 12px; background: #FBF8EF; padding: 1px 5px; border: 1px solid var(--rule-soft); font-weight: 500; }
.treatment-rec p em { font-family: var(--font-serif); font-style: italic; color: var(--ink-secondary); }
.treatment-rec-rules { list-style: none; padding: 16px 20px; margin: 16px 0 0; background: #FBF8EF; border-left: 3px solid var(--ink); display: flex; flex-direction: column; gap: 8px; max-width: 64ch; }
.treatment-rec-rules li { font-size: 13px; line-height: 1.55; color: var(--ink-secondary); }

/* §21 Stone band (Treatment A) */
.trace-ui-v43-a { background: var(--paper); border: 1px solid var(--rule-soft); }
.trace-ui-v43-a .trace-head { padding: 14px 18px; border-bottom: 1px solid var(--rule-soft); display: flex; justify-content: space-between; align-items: center; }
.trace-head-grouping { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.06em; }
.trace-head-warning { color: var(--status-warning); }
.trace-head-error { color: var(--status-error); }

.stone-band { border-top: 1.5px solid var(--stone-band-rule); background: white; }
.stone-band:first-of-type { border-top: none; }
.stone-band-head { display: grid; grid-template-columns: 18px minmax(180px, auto) 1fr auto; gap: 14px; padding: 14px 18px; background: var(--stone-band-bg); font-family: var(--font-sans); border: none; width: 100%; text-align: left; cursor: pointer; align-items: baseline; }
.stone-band.is-open .stone-band-head { background: var(--stone-band-bg-active); }
.stone-band-head:hover { background: #EFE9DA; }
.stone-band-toggle { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); }
.stone-band-name { display: flex; align-items: baseline; gap: 4px; }
.stone-band-stone { font-weight: 600; font-size: 15px; color: var(--ink); }
.stone-band-role { color: var(--ink-secondary); font-size: 13px; }
.stone-band-tag { font-family: var(--font-serif); font-style: italic; color: var(--ink-tertiary); font-size: 13px; }
.stone-band-agg { font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); letter-spacing: 0.04em; white-space: nowrap; }
.stone-agg-fired  { color: var(--ink); }
.stone-agg-silent { color: var(--ink-tertiary); }
.stone-agg-warn   { color: var(--status-warning); font-weight: 600; }
.stone-agg-error  { color: var(--status-error); font-weight: 600; }
.stone-agg-ms     { color: var(--ink-tertiary); }
.stone-agg-sep    { color: var(--ink-tertiary); margin: 0 6px; }
.stone-band-body { padding: 8px 0 14px; }
.stone-band-body .trace-row { padding-top: 6px; padding-bottom: 6px; }

/* shared specialist row in v0.4.3 */
.trace-ui-v43-a .trace-row, .trace-ui-v43-b .trace-row {
  display: grid; grid-template-columns: 16px 16px 1fr auto auto; gap: 10px; align-items: baseline;
  font-family: var(--font-sans); font-size: 13px;
}
.trace-ui-v43-a .trace-row .trace-name, .trace-ui-v43-b .trace-row .trace-name {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink);
}
.trace-row-warning { background: var(--status-warning-soft); border-left: 2px solid var(--status-warning); }
.trace-row-error { background: var(--status-error-soft); border-left: 2px solid var(--status-error); }
.trace-warning-tag { color: var(--status-warning); font-weight: 600; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; }
.trace-error-tag { color: var(--status-error); font-weight: 600; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; }
.trace-warning-summary { color: var(--status-warning); font-style: italic; font-family: var(--font-sans); font-size: 12px; }
.trace-error-summary { color: var(--status-error); font-style: italic; font-family: var(--font-sans); font-size: 12px; }
.trace-error-trace { font-family: var(--font-mono); font-size: 11px; line-height: 1.55; color: var(--status-error); background: var(--status-error-soft); padding: 12px 16px; margin: 4px 18px 8px; border-left: 2px solid var(--status-error); white-space: pre; overflow-x: auto; }

.trace-ttm-group { padding: 6px 0; }
.trace-ttm-group > summary { display: grid; grid-template-columns: 16px 16px 1fr auto; gap: 10px; align-items: baseline; cursor: pointer; padding: 4px 0; list-style: none; }
.trace-ttm-group > summary::-webkit-details-marker { display: none; }
.trace-ttm-group > summary .trace-name { font-family: var(--font-mono); font-size: 12px; }

/* §21 Treatment B ,  rule-marked groups */
.trace-ui-v43-b .trace-body-flat { padding: 14px 18px; }
.trace-ui-v43-b .trace-col-heads { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; padding: 6px 0 8px; border-bottom: 1px solid var(--rule-soft); font-family: var(--font-mono); font-size: 10px; color: var(--ink-tertiary); letter-spacing: 0.06em; }
.stone-rule-group { border-top: 2px solid var(--ink); padding-top: 10px; margin-top: 14px; }
.stone-rule-group:first-of-type { border-top: 1px solid var(--rule-soft); margin-top: 6px; padding-top: 8px; }
.stone-rule-marker { display: flex; align-items: baseline; gap: 10px; padding: 4px 0 8px; flex-wrap: wrap; }
.stone-rule-name { font-family: var(--font-sans); font-size: 14px; font-weight: 600; color: var(--ink); }
.stone-rule-role { font-family: var(--font-serif); font-style: italic; color: var(--ink-tertiary); font-size: 12px; }
.stone-rule-agg { font-family: var(--font-mono); font-size: 10px; color: var(--ink-secondary); letter-spacing: 0.04em; margin-left: auto; }

/* §22 cold-start (in-app) thesis line */
.cold-start-thesis { font-family: var(--font-sans); font-size: 15px; line-height: 1.55; color: var(--ink); margin: 6px 0 14px; padding-bottom: 12px; border-bottom: 1px solid var(--rule-soft); }
.cold-start-thesis strong { font-weight: 600; }

/* §22 cold-start v43 spec mock */
.cold-v43-frame { padding: 28px; background: var(--paper); border: 1px solid var(--rule-soft); margin-bottom: 18px; }
.cold-v43-mock { background: white; border: 1px solid var(--rule-soft); padding: 24px 28px; max-width: 600px; }
.cold-v43-thesis { font-family: var(--font-sans); font-size: 16px; line-height: 1.55; color: var(--ink); margin: 8px 0 14px; padding: 14px 0; border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); }
.cold-v43-thesis strong { font-weight: 600; }
.cold-v43-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.cold-v43-list li { font-size: 13px; line-height: 1.55; color: var(--ink-secondary); padding-left: 14px; position: relative; }
.cold-v43-list li::before { content: "·"; position: absolute; left: 0; color: var(--ink); font-weight: 700; }
.cold-v43-list a { color: var(--accent-graphical); text-decoration: none; border-bottom: 1px solid var(--accent-graphical); }
.cold-v43-rules { padding: 18px 22px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--tier-empirical); }
.cold-v43-rules ul { margin: 8px 0 0 18px; }
.cold-v43-rules li { font-size: 13px; line-height: 1.6; margin-bottom: 4px; color: var(--ink-secondary); }

/* §23 methodology + 5×4 matrix */
.methodology-toc { list-style: none; padding: 0; margin: 0 0 36px; counter-reset: section; }
.methodology-toc li { padding: 12px 16px; background: white; border: 1px solid var(--rule-soft); border-bottom: none; font-size: 14px; line-height: 1.55; color: var(--ink-secondary); }
.methodology-toc li:last-child { border-bottom: 1px solid var(--rule-soft); }
.methodology-toc strong { color: var(--ink); }

.tier-stone-matrix { background: white; border: 1px solid var(--rule-soft); padding: 24px 28px; margin: 0; }
.tier-stone-matrix table { width: 100%; border-collapse: collapse; }
.tier-stone-matrix thead th { font-family: var(--font-mono); font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-tertiary); padding: 12px 8px; text-align: center; border-bottom: 1px solid var(--ink); }
.tier-stone-matrix thead th:first-child { text-align: left; }
.tier-stone-matrix tbody th { text-align: left; padding: 14px 12px; border-bottom: 1px solid #ECE8DD; vertical-align: top; }
.matrix-stone-name { display: block; font-family: var(--font-sans); font-size: 14px; font-weight: 600; color: var(--ink); }
.matrix-stone-role { display: block; font-family: var(--font-serif); font-style: italic; font-size: 11px; color: var(--ink-tertiary); margin-top: 2px; }
.matrix-cell { text-align: center; padding: 14px 8px; border-bottom: 1px solid #ECE8DD; vertical-align: middle; }
.matrix-cell-mark { display: flex; align-items: center; justify-content: center; min-height: 18px; }
.matrix-cell-label { display: block; font-family: var(--font-mono); font-size: 9px; color: var(--ink-tertiary); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 4px; }
.matrix-cell-empty .matrix-cell-label { color: #C9C5B6; }
.matrix-cell-passthrough { background: #FBF8EF; }
.matrix-empty { font-family: var(--font-serif); font-size: 16px; color: #C9C5B6; }
.matrix-passthrough { font-family: var(--font-mono); font-size: 14px; color: var(--ink-tertiary); }
.tier-stone-matrix-cap { font-family: var(--font-serif); font-size: 13px; line-height: 1.55; color: var(--ink-secondary); padding-top: 16px; margin-top: 16px; border-top: 1px solid var(--rule-soft); max-width: 80ch; }

/* §24 reusability */
.reuse-statement { font-family: var(--font-serif); font-style: italic; font-size: 18px; line-height: 1.55; color: var(--ink); padding: 24px 28px; margin: 0 0 18px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--ink); max-width: 70ch; }
.reuse-rules { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.reuse-rules li { padding: 12px 16px; background: white; border: 1px solid var(--rule-soft); font-size: 13px; line-height: 1.55; color: var(--ink-secondary); }
.reuse-rules strong { color: var(--ink); }

/* §25 a11y */
.a11y-v43-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.a11y-v43-list li { padding: 14px 18px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--tier-empirical); font-size: 13px; line-height: 1.6; color: var(--ink-secondary); }
.a11y-v43-list strong { color: var(--ink); }
.a11y-v43-list code { font-family: var(--font-mono); font-size: 11px; background: #FBF8EF; padding: 1px 4px; border: 1px solid var(--rule-soft); }
.a11y-v43-list em { font-family: var(--font-serif); font-style: italic; color: var(--ink); }

/* §26 css deltas */
.css-delta-block { font-family: var(--font-mono); font-size: 11px; line-height: 1.55; color: var(--ink); background: #FBF8EF; padding: 18px 22px; border: 1px solid var(--rule-soft); white-space: pre; overflow-x: auto; }

/* §27 rationale (reuses existing if present, else light variant) */
.spec-section-rationale .rationale-quote { font-family: var(--font-serif); font-size: 16px; line-height: 1.65; color: var(--ink); padding: 28px 32px; background: white; border: 1px solid var(--rule-soft); border-left: 3px solid var(--ink); margin: 0 0 12px; max-width: 70ch; }
.spec-section-rationale .rationale-quote p { margin: 0 0 14px; }
.spec-section-rationale .rationale-quote p:last-child { margin: 0; }
.spec-section-rationale .rationale-cite { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); letter-spacing: 0.04em; }

/* PDF artifact link ,  pre-rendered, not a client export action */
.app-header-pdf {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink); padding: 4px 10px;
  border: 1px solid var(--rule-soft); background: white;
  letter-spacing: 0.02em;
}
.app-header-pdf-icon { font-size: 12px; color: var(--accent-graphical); }
.app-header-pdf-meta { font-size: 9px; color: var(--ink-tertiary); letter-spacing: 0.06em; text-transform: uppercase; }

/* Mobile brief title fallback */
@media (max-width: 720px) {
  .brief-h1 { grid-template-columns: 1fr; }
  .brief-h1-meta { grid-column: 1; grid-row: 3; text-align: left; align-items: flex-start; }
  .brief-h1-meta-row { justify-content: flex-start; }
  .brief-h1-addr { font-size: 24px; }
}
  .v043-stones-strip { grid-template-columns: 1fr; }
  .v043-stones-strip li:nth-child(5) { grid-column: span 1; }
  .v043-stone-chip:nth-child(2n) { border-right: none; border-bottom: 1px solid var(--rule-soft); }
  .v043-toc { grid-template-columns: 1fr 1fr; }
  .stones-table thead { display: none; }
  .stones-table tbody td { display: block; padding: 6px 12px; }
  .stones-row td { border-bottom: none; }
  .stones-row { display: block; padding: 14px 0; border-bottom: 1px solid #ECE8DD; }
  .treatment-tabs { flex-direction: column; }
  .treatment-tab { border-right: none; border-bottom: 1px solid var(--rule-soft); }
  .treatment-frame { grid-template-columns: 1fr; padding: 18px; }
  .stone-band-head { grid-template-columns: 16px 1fr; gap: 8px; }
  .stone-band-tag { grid-column: 2; }
  .stone-band-agg { grid-column: 2; }
  .tier-stone-matrix { padding: 16px; }
  .tier-stone-matrix thead th { font-size: 9px; padding: 6px 4px; }
  .tier-stone-matrix tbody th { padding: 10px 6px; }
  .matrix-cell { padding: 10px 4px; }
  .matrix-stone-name { font-size: 12px; }
  .stones-pullquote { font-size: 17px; padding: 18px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .stone-band, .stone-band-head, .treatment-tab { transition: none; }
}

/* ============================================================
   v0.4.5 — Stone accent layer + new status enum rules
   Hint-only treatment: a 3-px left-rule per Stone, scoped to
   .stone-band[data-stone] and .f-region[data-stone]. Tier
   swatches inside cards/legend rows are unchanged.
   See V0.4.5_SPEC.md §2 for the full rationale.
   ============================================================ */

/* 3-px left rule on Stone-banded sections */
.stone-band[data-stone="cornerstone"] { border-left: 3px solid var(--stone-cornerstone); }
.stone-band[data-stone="keystone"]    { border-left: 3px solid var(--stone-keystone); }
.stone-band[data-stone="touchstone"]  { border-left: 3px solid var(--stone-touchstone); }
.stone-band[data-stone="lodestone"]   { border-left: 3px solid var(--stone-lodestone); }
.stone-band[data-stone="capstone"]    { border-left: 3px solid var(--stone-capstone); }

.f-region[data-stone="cornerstone"]   { border-left: 3px solid var(--stone-cornerstone); }
.f-region[data-stone="keystone"]      { border-left: 3px solid var(--stone-keystone); }
.f-region[data-stone="touchstone"]    { border-left: 3px solid var(--stone-touchstone); }
.f-region[data-stone="lodestone"]     { border-left: 3px solid var(--stone-lodestone); }
.f-region[data-stone="capstone"]      { border-left: 3px solid var(--stone-capstone); }

/* Map Layers panel — Stone group dots + soft inset rule */
.map-legend-stone {
  border-left: 2px solid transparent;
  padding-left: 10px;
  margin-bottom: 8px;
}
.map-legend-stone-cornerstone { border-left-color: var(--stone-cornerstone); }
.map-legend-stone-keystone    { border-left-color: var(--stone-keystone); }
.map-legend-stone-touchstone  { border-left-color: var(--stone-touchstone); }
.map-legend-stone-lodestone   { border-left-color: var(--stone-lodestone); }
.map-legend-stone-capstone    { border-left-color: var(--stone-capstone); }
.map-legend-stone-head {
  display: flex; align-items: baseline; gap: 6px;
  margin: 8px 0 4px;
  font-family: var(--font-sans); font-size: 11px; letter-spacing: 0.04em;
}
.map-legend-stone-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block; align-self: center;
}
.map-legend-stone-dot-cornerstone { background: var(--stone-cornerstone); }
.map-legend-stone-dot-keystone    { background: var(--stone-keystone); }
.map-legend-stone-dot-touchstone  { background: var(--stone-touchstone); }
.map-legend-stone-dot-lodestone   { background: var(--stone-lodestone); }
.map-legend-stone-dot-capstone    { background: var(--stone-capstone); }
.map-legend-stone-name { font-weight: 600; color: var(--ink); text-transform: uppercase; letter-spacing: 0.06em; }
.map-legend-stone-role { color: var(--ink-tertiary); font-size: 11px; font-style: italic; font-family: var(--font-serif); }

/* Cold-start thesis row — colored dots beside Stone names */
.cold-start-thesis-stone-dot {
  width: 7px; height: 7px; border-radius: 50%;
  display: inline-block; vertical-align: middle;
  margin-right: 5px; transform: translateY(-1px);
}
.cold-start-thesis-stone-dot-cornerstone { background: var(--stone-cornerstone); }
.cold-start-thesis-stone-dot-keystone    { background: var(--stone-keystone); }
.cold-start-thesis-stone-dot-touchstone  { background: var(--stone-touchstone); }
.cold-start-thesis-stone-dot-lodestone   { background: var(--stone-lodestone); }
.cold-start-thesis-stone-dot-capstone    { background: var(--stone-capstone); }

/* New status enum — replaces 0.4.4 anomaly/silent/warn/error rules.
   v0.4.5 statuses: fired, silent_by_design, warned, errored, not_invoked. */
.trace-row { padding: 8px 0; font-family: var(--font-mono); font-size: 12px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.trace-row .trace-name   { color: var(--ink); }
.trace-row .trace-status { font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-tertiary); }
.trace-row .trace-tier   { font-size: 10px; letter-spacing: 0.04em; }
.trace-row .trace-ms     { color: var(--ink-tertiary); margin-left: auto; }
.trace-row .trace-bullet { width: 12px; display: inline-block; text-align: center; }

.trace-row-fired { /* default — bullet color carries tier */ }

.trace-row-silent-bd .trace-name   { color: var(--ink-secondary); }
.trace-row-silent-bd .trace-bullet-silent { color: var(--ink-tertiary); }
.trace-row-silent-bd .trace-silent-note   { color: var(--ink-tertiary); font-style: italic; font-family: var(--font-serif); font-size: 12px; }

.trace-row-not-invoked .trace-name        { color: var(--ink-tertiary); }
.trace-row-not-invoked .trace-bullet-notinvoked { color: var(--ink-tertiary); }

.trace-row-warned {
  background: var(--status-warning-soft);
  /* keep stone left-rule; do NOT set border-left here */
  position: relative;
  padding-left: 8px;
}
.trace-row-warned .trace-status-warn { color: var(--status-warning); font-weight: 600; }
.trace-row-warned .trace-warn-sidemark {
  color: var(--status-warning);
  font-weight: 700;
  margin-left: 4px;
}
.trace-row-warned .trace-warn-note { color: var(--ink-secondary); font-family: var(--font-serif); font-style: italic; font-size: 12px; }

.trace-row-errored {
  background: var(--status-error-soft);
  padding-left: 8px;
}
.trace-row-errored > summary { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; cursor: pointer; list-style: none; }
.trace-row-errored > summary::-webkit-details-marker { display: none; }
.trace-row-errored .trace-status-err { color: var(--status-error); font-weight: 600; }
.trace-row-errored .trace-error-summary { color: var(--ink-secondary); font-style: italic; font-family: var(--font-serif); font-size: 12px; }
.trace-row-errored .trace-error-expand { color: var(--ink-tertiary); font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase; }
.trace-row-errored[open] .trace-error-expand { display: none; }
.trace-row-errored .trace-error-body {
  margin-top: 6px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.6);
  border-left: 2px solid var(--status-error);
  font-size: 11px;
  display: grid; gap: 4px;
}
.trace-error-line { display: grid; grid-template-columns: 80px 1fr; gap: 8px; }
.trace-error-k { color: var(--ink-tertiary); }

/* Tally text colors */
.f-tally-warn { color: var(--status-warning); }
.f-tally-err  { color: var(--status-error); }
.f-tally-notinvoked { color: var(--ink-tertiary); }

/* Hover link — when an evidence card is "linked" to a hovered map glyph */
.f-card.is-linked,
.finding-card.is-linked {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* TerraMind LULC class-mix bar (Touchstone synthetic-prior card) */
.lulc-bar { display: flex; height: 12px; border-radius: 2px; overflow: hidden; margin-top: 6px; }
.lulc-bar-seg { height: 100%; }
.lulc-legend { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); }
.lulc-legend-swatch { display: inline-block; width: 8px; height: 8px; margin-right: 4px; border-radius: 1px; vertical-align: middle; }

/* Fine-tuned TTM trim line + hardware badge */
.ttm-ft-trim { border-top: 1px solid var(--rule-soft); margin-top: 10px; padding-top: 8px; display: grid; gap: 4px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-secondary); }
.ttm-ft-row { display: grid; grid-template-columns: 110px 1fr; gap: 8px; }
.ttm-ft-k { color: var(--ink-tertiary); }
.ttm-hw-badge {
  display: inline-block; padding: 1px 6px; border: 1px solid var(--rule-soft);
  border-radius: 2px; font-size: 10px; letter-spacing: 0.04em;
  font-family: var(--font-mono); color: var(--ink-secondary); background: white;
}

/* Print: drop accents to neutral, drop hover/error tints */
@media print {
  .stone-band[data-stone],
  .f-region[data-stone],
  .map-legend-stone { border-left-color: #999 !important; }
  .cold-start-thesis-stone-dot,
  .map-legend-stone-dot { background: #999 !important; }
  .trace-row-warned, .trace-row-errored { background: transparent !important; }
}

/* ─────────── original v0.4.2 mobile rules ────────── */
@media (max-width: 720px) {
  .app-header-inner { grid-template-columns: 1fr; gap: 8px; }
  .app-header-mid, .app-header-right { justify-content: flex-start; }
  .app-header-query { min-width: 0; width: 100%; }
  .hero-band-inner { padding: 20px 16px 32px; }
  .spec-band-inner { padding: 40px 16px 60px; }
  .spec-band-title { font-size: 28px; }
  .spec-section-title { font-size: 24px; }
  .brief-h1 { font-size: 26px; }
  .map-legend { width: calc(100% - 24px); }
  .palette-row { grid-template-columns: 48px 1fr; gap: 12px; row-gap: 4px; }
  .palette-row > *:nth-child(n+3) { grid-column: 2; }
  .a11y-row { grid-template-columns: 1fr; gap: 4px; }

  /* v0.4.2 mobile */
  .v042-banner-inner { grid-template-columns: 1fr; gap: 24px; }
  .v042-toc { grid-template-columns: 1fr; }
  .v042-toc-item { border-right: none !important; }
  .v042-banner-title { font-size: 24px; }
  .loading-grid { grid-template-columns: 1fr; }
  .error-grid { grid-template-columns: 1fr; }
  .stripe-grid { grid-template-columns: 1fr; }
  .guardian-tabs { flex-direction: column; }
  .guardian-tab { border-right: none !important; border-bottom: 1px solid var(--rule); flex: none; }
  .guardian-tab:last-child { border-bottom: none; }
  .guardian-card { padding: 24px 22px; }
  .guardian-title { font-size: 20px; }
  .register-card { padding: 18px; }
  .register-table { font-size: 11px; }
  .register-table thead th { padding: 4px; font-size: 9px; }
  .register-row td { padding: 8px 4px; }
  .register-detail-grid { grid-template-columns: 1fr 1fr; }
  .register-card-count { font-size: 26px; }
  .changelog-row { grid-template-columns: 50px 1fr; }
  .changelog-status { grid-column: 2; text-align: left; padding-top: 2px; }
}