/* Components — cards, edges, failures, vertex details, timeline, etc. */

/* Cards grid */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  border-left: 3px solid var(--border-lit);
  transition: border-color 0.3s, background 0.3s;
}
.card:hover {
  background: var(--surface-raised);
  border-color: var(--border-lit);
}

.card.border-diff { border-left-color: var(--diff); }
.card.border-conn { border-left-color: var(--conn); }
.card.border-bound { border-left-color: var(--bound); }
.card.border-arch { border-left-color: var(--arch); }

.card-title {
  font-family: var(--font-nav);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.card-title.color-diff { color: var(--diff); }
.card-title.color-conn { color: var(--conn); }
.card-title.color-bound { color: var(--bound); }
.card-title.color-arch { color: var(--arch); }

.card-question {
  font-style: italic;
  color: var(--text-bright);
  margin-bottom: 12px;
  font-size: 14px;
}

.card-body { font-size: 14px; line-height: 1.7; color: var(--text); }

.card-footer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-family: var(--font-nav);
  font-size: 11px;
  color: var(--text-dim);
}
.card-footer strong { color: var(--text); font-weight: 600; }

.card-link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-nav);
  font-size: 11px;
  color: var(--text-dim);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.card-link:hover { opacity: 1; }

/* Vertex detail */
.vertex-detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 28px;
  overflow: hidden;
}

.vertex-detail-header {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: background 0.2s;
}
.vertex-detail-header:hover { background: var(--surface-raised); }

.vertex-detail-header h3 { margin-bottom: 0; font-size: 18px; }

.vertex-detail-toggle {
  font-family: var(--font-nav);
  font-size: 18px;
  color: var(--text-dim);
  transition: transform 0.3s;
}
.vertex-detail.open .vertex-detail-toggle { transform: rotate(180deg); }

.vertex-detail-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}
.vertex-detail.open .vertex-detail-body {
  max-height: 2000px;
}

.vertex-detail-content {
  padding: 0 24px 24px;
  border-top: 1px solid var(--border);
}

.vertex-detail-content h4 { margin-top: 20px; }

.vertex-detail-content ul {
  list-style: none;
  padding-left: 0;
}
.vertex-detail-content ul li {
  padding: 4px 0 4px 16px;
  position: relative;
  font-size: 14px;
  color: var(--text);
}
.vertex-detail-content ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 6px; height: 1px;
  background: var(--text-dim);
}

.detail-tag {
  display: inline-block;
  font-family: var(--font-nav);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--border-lit);
  color: var(--text-dim);
  margin-right: 6px;
  margin-top: 8px;
}

/* Edge cards */
.edge-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 16px;
  transition: background 0.2s;
}
.edge-card:hover { background: var(--surface-raised); }

.edge-number {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.edge-vertices {
  font-family: var(--font-nav);
  font-size: 11px;
  margin-bottom: 12px;
}

.edge-vertices .v-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-right: 4px;
}
.v-tag.diff { background: rgba(176,104,64,0.12); color: var(--diff); }
.v-tag.conn { background: rgba(61,122,181,0.12); color: var(--conn); }
.v-tag.bound { background: rgba(85,138,62,0.12); color: var(--bound); }
.v-tag.arch { background: rgba(168,144,48,0.12); color: var(--arch); }

.edge-tension { font-style: italic; color: var(--text-bright); font-size: 14px; margin-bottom: 8px; }
.edge-poles { font-size: 13px; color: var(--text-dim); margin-bottom: 8px; font-family: var(--font-nav); }
.edge-degradation { font-size: 13px; color: var(--text); }

/* Failure mode cards */
.failure-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.failure-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.04;
  pointer-events: none;
}
.failure-card.tint-diff::before { background: var(--diff); }
.failure-card.tint-conn::before { background: var(--conn); }
.failure-card.tint-bound::before { background: var(--bound); }
.failure-card.tint-arch::before { background: var(--arch); }

.failure-label {
  font-family: var(--font-nav);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.failure-title { font-size: 18px; color: var(--text-bright); margin-bottom: 10px; }
.failure-body { font-size: 14px; line-height: 1.7; }
.failure-recovery {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}
.failure-recovery strong { color: var(--text); }

/* Succession timeline */
.timeline {
  position: relative;
  margin-top: 24px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border-lit);
}
.timeline-stage {
  position: relative;
  padding-left: 52px;
  margin-bottom: 36px;
}
.timeline-dot {
  position: absolute;
  left: 14px; top: 4px;
  width: 13px; height: 13px;
  border-radius: 50%;
  border: 2px solid var(--border-lit);
  background: var(--surface);
}
.timeline-stage:nth-child(1) .timeline-dot { border-color: var(--diff); }
.timeline-stage:nth-child(2) .timeline-dot { border-color: var(--conn); }
.timeline-stage:nth-child(3) .timeline-dot { border-color: var(--bound); }
.timeline-stage:nth-child(4) .timeline-dot { border-color: var(--arch); }

.stage-name {
  font-family: var(--font-nav);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-bright);
  margin-bottom: 6px;
}
.stage-char { font-size: 14px; font-style: italic; color: var(--text); margin-bottom: 8px; }
.stage-work { font-size: 13px; color: var(--text-dim); line-height: 1.7; }
.stage-work span { color: var(--bound); }
.stage-work em { color: var(--diff); font-style: normal; }

/* Callout */
.callout {
  background: var(--surface-raised);
  border: 1px solid var(--border-lit);
  border-radius: 8px;
  padding: 32px;
  margin-top: 20px;
}
.callout ol {
  list-style: none;
  counter-reset: q;
  padding: 0;
}
.callout ol li {
  counter-increment: q;
  padding: 10px 0 10px 36px;
  position: relative;
  font-size: 15px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.callout ol li:last-child { border-bottom: none; }
.callout ol li::before {
  content: counter(q) ".";
  position: absolute;
  left: 0;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--text-dim);
}
.callout ol li strong {
  color: var(--text-bright);
  font-weight: 600;
}
.callout-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-lit);
  font-style: italic;
  font-size: 14px;
  color: var(--text-dim);
  text-align: center;
}

/* Claims */
.claims-list {
  list-style: none;
  padding: 0;
  counter-reset: claim;
}
.claims-list li {
  counter-increment: claim;
  padding: 16px 0 16px 48px;
  position: relative;
  font-size: 16px;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border);
}
.claims-list li:last-child { border-bottom: none; }
.claims-list li::before {
  content: counter(claim) ".";
  position: absolute;
  left: 0;
  font-family: 'Courier New', monospace;
  font-size: 24px;
  color: var(--border-lit);
  top: 12px;
}

/* Entry cards */
.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  border-left: 3px solid var(--border-lit);
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}
.entry-card:hover { background: var(--surface-raised); }

.entry-expanded {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.4s ease;
  opacity: 0;
}
.entry-card.open .entry-expanded {
  max-height: 600px;
  opacity: 1;
}

.entry-expanded-body {
  padding-top: 16px;
  margin-top: 12px;
  border-top: 1px solid var(--border);
}
.entry-expanded-body p { font-size: 14px; line-height: 1.7; }

.entry-practice {
  margin-top: 12px;
  padding: 16px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px !important;
  color: var(--text-dim);
}
.entry-practice strong { color: var(--text); }

/* Practice section */
.practice-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  border-left: 3px solid var(--border-lit);
  margin-bottom: 16px;
}
.practice-instruction {
  font-size: 15px;
  color: var(--text-bright);
  line-height: 1.8;
  margin-bottom: 12px;
}
.practice-develops {
  font-family: var(--font-nav);
  font-size: 11px;
  color: var(--text-dim);
}

.practice-stage {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-family: var(--font-nav);
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
.practice-stage .stage-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  border: 2px solid;
  flex-shrink: 0;
}

.practice-enter {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 24px;
  background: var(--surface-raised);
  border: 1px solid var(--border-lit);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-nav);
  font-size: 13px;
  transition: background 0.2s, color 0.2s;
}
.practice-enter:hover { background: var(--border); color: var(--text-bright); }

/* Thread / Open Question cards */
.thread-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 16px;
  cursor: pointer;
  transition: background 0.2s;
}
.thread-card:hover { background: var(--surface-raised); }

.thread-question {
  font-size: 16px;
  color: var(--text-bright);
  margin-bottom: 8px;
  line-height: 1.6;
}
.thread-stakes {
  font-size: 14px;
  color: var(--text-dim);
  font-style: italic;
}
.thread-tags {
  margin-top: 10px;
}

.thread-expanded {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.4s ease;
  opacity: 0;
}
.thread-card.open .thread-expanded {
  max-height: 800px;
  opacity: 1;
}

.thread-expanded-body {
  padding-top: 16px;
  margin-top: 12px;
  border-top: 1px solid var(--border);
}
.thread-expanded-body ul {
  list-style: none;
  padding: 0;
}
.thread-expanded-body ul li {
  padding: 8px 0 8px 16px;
  position: relative;
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}
.thread-expanded-body ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 16px;
  width: 6px; height: 1px;
  background: var(--text-dim);
}

/* Locator cards */
.locator-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-lit);
  border-radius: 6px;
  padding: 20px 24px;
  margin-bottom: 16px;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}
.locator-card:hover { border-color: var(--border-lit); background: var(--surface-raised); }
.locator-card .card-question {
  font-size: 15px;
  color: var(--text);
  margin-top: 8px;
}
.locator-expanded {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.4s ease;
  opacity: 0;
}
.locator-card.open .locator-expanded {
  max-height: 1000px;
  opacity: 1;
}
.locator-expanded-body {
  padding-top: 16px;
  margin-top: 12px;
  border-top: 1px solid var(--border);
}
.locator-markers {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}
.locator-markers li {
  padding: 6px 0 6px 16px;
  position: relative;
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}
.locator-markers li::before {
  content: '';
  position: absolute;
  left: 0; top: 14px;
  width: 6px; height: 1px;
  background: var(--text-dim);
}
.locator-recommendation {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: 4px;
  font-family: var(--font-nav);
  font-size: 12px;
  color: var(--text-dim);
}
.locator-recommendation a {
  color: var(--text-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.locator-recommendation a:hover { border-color: var(--text-dim); }

/* System entries */
.system-entry {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
  margin-bottom: 24px;
}
.system-header {
  font-family: var(--font-nav);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}
.system-function {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 20px;
  font-style: italic;
}
.system-field {
  margin-bottom: 14px;
}
.system-field-label {
  font-family: var(--font-nav);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.system-field-value {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}
.system-streams {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
.system-stream-box {
  background: var(--bg);
  border-radius: 4px;
  padding: 14px 16px;
}
.system-stream-box h4 {
  font-family: var(--font-nav);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.system-stream-box ul {
  list-style: none;
  padding: 0;
}
.system-stream-box ul li {
  font-size: 13px;
  color: var(--text);
  padding: 3px 0 3px 14px;
  position: relative;
}
.system-stream-box ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 11px;
  width: 5px; height: 1px;
  background: var(--text-dim);
}
.system-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
.system-path-box {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px 16px;
}
.system-path-box h4 {
  font-family: var(--font-nav);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.system-loop-viz {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 20px 0;
  font-family: var(--font-nav);
  font-size: 12px;
}
.loop-node {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 12px;
  color: var(--text-bright);
  white-space: nowrap;
}
.loop-arrow {
  color: var(--text-dim);
  padding: 0 6px;
  font-size: 14px;
}