/* Career timeline widget (tasks/plan.md, Task 3.3). Adapted from the ad hoc
   preview (tasks/timeline_real_preview.html) built in Phase 1-2. Structural
   colors (backgrounds, borders, muted text) use the site's own --global-*
   theme tokens (see al_folio_core's _sass/_themes.scss) instead of hardcoded
   hex, so this widget follows the site's real light/dark toggle automatically
   -- the ad hoc preview never had to, since it was a standalone page forced
   to color-scheme: light. Topic colors are wired up the same way by
   assets/js/timeline.js, which injects --topic-<id> custom properties from
   the timeline-colors data island (light + dark values both already exist in
   _data/timeline_colors.yml). Job colors are a fixed hardcoded set, not yet
   validated for a dark surface -- a known gap, not fixed here (see
   tasks/plan.md's Task 3.3 notes). */

#timeline-widget {
  font-size: 0.95rem;
}

.timeline-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--global-bg-color);
  border: 1px solid var(--global-divider-color);
  border-radius: 8px;
}
.timeline-controls fieldset {
  border: none;
  padding: 0;
  margin: 0;
}
.timeline-controls legend {
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  padding: 0;
  color: var(--global-text-color);
}
.timeline-controls label,
.timeline-job-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  margin-right: 0.75rem;
  color: var(--global-text-color);
}
.timeline-range-inputs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--global-text-color);
}

.timeline-wrapper {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
.timeline-container {
  position: relative;
}
.timeline-track {
  position: absolute;
  left: 50%;
  top: 0;
  width: 14px;
  transform: translateX(-50%);
  border-radius: 7px;
  overflow: hidden;
}
.timeline-track-segment {
  position: absolute;
  left: 0;
  width: 100%;
}
.timeline-leader-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.timeline-leader-lines line {
  stroke: var(--global-text-color-light);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.timeline-track-hover-zone {
  position: absolute;
  left: 50%;
  top: 0;
  width: 40px;
  transform: translateX(-50%);
  cursor: crosshair;
}
.timeline-hover-indicator {
  position: absolute;
  left: 50%;
  width: 28px;
  height: 2px;
  background: var(--global-text-color);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.55;
  display: none;
}
.timeline-hover-tooltip {
  position: absolute;
  left: calc(50% + 22px);
  transform: translateY(-50%);
  background: var(--global-text-color);
  color: var(--global-bg-color);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  display: none;
  z-index: 10;
}

.timeline-card {
  position: absolute;
  /* Fixed 320px overflowed the viewport below ~760px wide (Task 4.3's
     375px check): clamp() keeps the existing 320px on tablet/desktop
     (42vw already exceeds 320px well before 768px) while shrinking
     proportionally on narrow phones instead of causing horizontal
     scroll/clipping. */
  width: clamp(150px, 42vw, 320px);
  box-sizing: border-box;
  background: var(--global-card-bg-color);
  border: 1px solid var(--global-divider-color);
  border-left: 6px solid var(--card-color, var(--global-theme-color));
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--global-text-color);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  transition:
    opacity 0.15s ease,
    top 0.15s ease;
}
.timeline-card.left {
  right: calc(50% + clamp(10px, 4vw, 30px));
  text-align: right;
}
.timeline-card.right {
  left: calc(50% + clamp(10px, 4vw, 30px));
  text-align: left;
}
.timeline-card .timeline-card-date {
  font-size: 0.7rem;
  color: var(--global-text-color-light);
  margin-bottom: 0.15rem;
}
.timeline-card .timeline-card-date .timeline-approx {
  font-style: italic;
}
.timeline-card .timeline-card-title {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.3rem;
  /* Clamped to 2 lines (full title on hover) so every card matches the
     fixed CARD_HEIGHT the packing algorithm assumes -- an unusually long
     real title (e.g. "Audio, Lyrics, Videoclips, Interactions? ...")
     wrapping to 3-4 lines otherwise grows the card past what packCards
     reserved, causing real visual overlap with the next same-side card.
     Same fix already applied to venue for the same reason. */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.timeline-card .timeline-first-author-star {
  color: var(--global-highlight-color);
}
.timeline-card .timeline-card-venue {
  font-style: italic;
  font-size: 0.7rem;
  color: var(--global-text-color-light);
  line-height: 1.3;
  margin-bottom: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.timeline-card .timeline-card-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.timeline-card.left .timeline-card-topics {
  justify-content: flex-end;
}
.timeline-topic-pill {
  display: inline-block;
  font-size: 0.65rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  /* Overridden per-pill via inline style (assets/js/timeline.js) to
     whichever of black/white clears WCAG AA 4.5:1 against that specific
     topic color -- no single fixed color passes for all 4 topics in both
     light and dark mode (see test/unit_timeline_mock_logic.js). This is
     just a sane fallback if JS somehow doesn't set it. */
  color: #fff;
  white-space: nowrap;
}

.timeline-legend-swatch {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 3px;
  flex: none;
}
.timeline-job-legend-item {
  cursor: default;
}