/* convergence.css — styling for the /convergence dashboard and the
 * PatternTimeline cards it embeds. Follows the same warm-Tol language
 * and spacing conventions as the rest of the book.
 */

/* ===== Dashboard page layout ===== */
.convergence-header {
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-6);
}
.convergence-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 65ch;
}
.convergence-metric {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-top: var(--space-3);
  text-indent: 0;
}

.convergence-category {
  margin: var(--space-8) 0;
}
.convergence-category-heading {
  font-size: var(--text-sm);
  font-family: var(--font-code);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}
.convergence-category-label {
  font-weight: 500;
  color: var(--color-text);
}
.convergence-category-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.convergence-category-empty {
  color: var(--color-text-muted);
  font-style: italic;
  padding: var(--space-3);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  text-indent: 0;
}
.convergence-card-list {
  display: grid;
  gap: var(--space-4);
}

.convergence-method {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ===== Pattern card ===== */
.pattern-card {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.pattern-card-header {
  margin-bottom: var(--space-3);
}
.pattern-card-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.pattern-card-title {
  font-size: var(--text-lg);
  font-weight: 500;
  margin: 0;
  color: var(--color-link);
}
.pattern-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  font-size: var(--text-sm);
}

/* Category badges — use the warm palette semantically. */
.pattern-category-badge {
  display: inline-block;
  padding: 0.1em 0.55em;
  font-family: var(--font-code);
  font-size: 0.75em;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}
.pattern-category-safety {
  background: var(--warm-rose-tint);
  color: var(--warm-rose);
  border-color: var(--warm-rose);
}
.pattern-category-scale {
  background: var(--warm-blue-tint);
  color: var(--warm-blue);
  border-color: var(--warm-blue);
}
.pattern-category-context {
  background: var(--warm-gold-tint);
  color: var(--warm-gold);
  border-color: var(--warm-gold);
}
.pattern-category-interaction {
  background: var(--warm-green-tint);
  color: var(--warm-green);
  border-color: var(--warm-green);
}
.pattern-category-extension {
  background: var(--warm-plum-tint);
  color: var(--warm-plum);
  border-color: var(--warm-plum);
}
.pattern-category-other {
  /* use default neutral styling */
}

/* Convergence badge — green for converged, gold for not-yet. */
.pattern-convergence-badge {
  display: inline-block;
  padding: 0.1em 0.55em;
  border-radius: var(--radius-sm);
  font-family: var(--font-code);
  font-size: 0.85em;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.pattern-convergence-badge.converged {
  background: var(--warm-green-tint);
  color: var(--warm-green);
  border: 1px solid var(--warm-green);
}
.pattern-convergence-badge.not-converged {
  background: var(--warm-gold-tint);
  color: var(--warm-gold);
  border: 1px solid var(--warm-gold);
}
.pattern-adoption-count {
  font-family: var(--font-code);
  font-size: 0.85em;
  color: var(--color-text-muted);
}

.pattern-description {
  color: var(--color-text);
  margin: 0 0 var(--space-3) 0;
  text-indent: 0;
  line-height: 1.5;
}

.pattern-empty-timeline {
  color: var(--color-text-muted);
  font-style: italic;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  text-indent: 0;
  margin: 0;
}

/* ===== Timeline ===== */
.pattern-timeline {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: var(--space-2) var(--space-3);
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
}

.pattern-timeline-track {
  display: contents;
}
.pattern-timeline-tool-label {
  font-family: var(--font-code);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  align-self: center;
  white-space: nowrap;
}
.pattern-timeline-track[data-adopted='true'] .pattern-timeline-tool-label {
  color: var(--color-text);
}

.pattern-timeline-rail {
  position: relative;
  min-height: 2.2rem;
  border-bottom: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
}

.pattern-timeline-not-yet {
  font-style: italic;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  padding-left: var(--space-1);
}

.pattern-timeline-dot {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--warm-blue);
  border: 2px solid var(--color-bg);
  cursor: help;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 120ms ease;
}
.pattern-timeline-dot:hover {
  transform: translate(-50%, -50%) scale(1.3);
  z-index: 5;
}

.pattern-timeline-dot[data-kind='added'] {
  background: var(--warm-green);
}
.pattern-timeline-dot[data-kind='changed'] {
  background: var(--warm-gold);
}
.pattern-timeline-dot[data-kind='removed'],
.pattern-timeline-dot[data-kind='deprecated'] {
  background: var(--warm-rose);
}

.pattern-timeline-dot-label {
  position: absolute;
  top: calc(100% + 0.2em);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-code);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  pointer-events: none;
}

.pattern-timeline-axis {
  grid-column: 2;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-code);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  padding-top: var(--space-1);
  border-top: 1px solid var(--color-border);
}

/* ===== Mobile layout ===== */
@media (max-width: 48rem) {
  .pattern-timeline {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .pattern-timeline-track {
    display: grid;
    grid-template-columns: 8rem 1fr;
    gap: var(--space-2);
  }
  .pattern-timeline-axis {
    grid-column: 1;
  }

  .convergence-category-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }
}

/* Narrow phones (iPhone 5 / small folds): stack tool label above rail
 * entirely. 8rem sidebar was still sharing ~200px with the rail on
 * a 320px viewport, causing dots to crowd when multiple events
 * fell within a tight date range. */
@media (max-width: 26rem) {
  .pattern-timeline-track {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .pattern-timeline-tool-label {
    font-size: var(--text-xs);
    padding-top: var(--space-1);
  }
  .pattern-timeline-rail {
    min-height: 2.6rem; /* a bit more vertical room so labels don't collide */
  }
}

/* ===== Print ===== */
@media print {
  .pattern-card {
    break-inside: avoid;
    background: transparent !important;
    border-width: 0.5pt;
    border-color: #aaa;
  }
  .pattern-timeline {
    background: transparent !important;
    border: 0.5pt solid #aaa;
  }
  .pattern-timeline-dot {
    border-color: #fff;
    background: #333 !important;
  }
  .pattern-timeline-dot:hover {
    transform: translate(-50%, -50%); /* no scale on paper */
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .pattern-timeline-dot {
    transition: none;
  }
  .pattern-timeline-dot:hover {
    transform: translate(-50%, -50%);
  }
}