/* ============================================================================
   astrochart — detail panels
   ----------------------------------------------------------------------------
   Click commits: a detail panel slides in, the chart makes room for it.
   Client-side — panel content is built in JS from data already in the chart.
   Depends on the design tokens (tokens.css / themes.css).
   ============================================================================ */

/* --- layout: chart + panel column ---------------------------------------- */
.chart-layout {
  display: flex;
  align-items: flex-start;
  width: min(820px, 94vw);
  margin: 0 auto;
  transition: width var(--duration-slow) var(--ease-out);
}
.chart-layout.has-panel {
  width: min(1320px, 96vw);
}
.chart-stage {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  transition: flex-basis var(--duration-slow) var(--ease-out);
}
.chart-stage svg.chart {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
.chart-panel-container {
  flex: 0 0 0;
  width: 0;
  overflow: hidden;
  transition: flex-basis var(--duration-slow) var(--ease-out),
              width var(--duration-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-self: stretch;
}
.chart-layout.has-panel .chart-panel-container {
  flex: 0 0 min(440px, 42vw);
  width: min(440px, 42vw);
  padding-left: var(--space-5);
}

/* --- the panel ----------------------------------------------------------- */
.detail-panel {
  background: var(--bg-surface);
  border: 0.5px solid var(--ink-quaternary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  max-height: 78vh;
  opacity: 0;
  transform: translateX(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.detail-panel.is-open {
  opacity: 1;
  transform: translateX(0);
}
.detail-panel.is-pinned {
  box-shadow: var(--shadow-md), 0 0 0 1.5px var(--accent-gold);
}

/* --- header -------------------------------------------------------------- */
.panel-header {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5);
  border-bottom: 0.5px solid var(--ink-quaternary);
}
.panel-glyph { color: var(--ink-primary); }
.panel-glyph svg { display: block; width: 48px; height: 48px; }
.panel-titles { min-width: 0; }
.panel-name {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  font-size: var(--text-xl);
  line-height: var(--leading-tight);
  color: var(--ink-primary);
}
.panel-position {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink-secondary);
  margin-top: var(--space-1);
}
.panel-house {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--ink-tertiary);
  margin-top: 2px;
}
.panel-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--accent-gold);
  margin-top: var(--space-2);
}
.panel-actions { display: flex; gap: var(--space-1); }
.panel-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 0.5px solid var(--ink-quaternary);
  border-radius: var(--radius-md);
  color: var(--ink-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}
.panel-btn:hover { color: var(--ink-primary); border-color: var(--ink-tertiary); }
.panel-btn:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}
.panel-btn.is-active {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

/* --- tabs ---------------------------------------------------------------- */
.panel-tabs {
  position: relative;
  display: flex;
  gap: var(--space-4);
  padding: 0 var(--space-5);
  border-bottom: 0.5px solid var(--ink-quaternary);
  overflow-x: auto;
  scrollbar-width: none;
}
.panel-tabs::-webkit-scrollbar { display: none; }
.panel-tab {
  flex: 0 0 auto;
  white-space: nowrap;
  background: transparent;
  border: none;
  padding: var(--space-3) 0;
  font-family: var(--font-body);
  font-weight: var(--weight-medium);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--ink-tertiary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease-out);
}
.panel-tab:hover { color: var(--ink-secondary); }
.panel-tab.tab-active { color: var(--ink-primary); }
.panel-tab:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: -2px;
}
.panel-tab-underline {
  position: absolute;
  bottom: -1px;
  height: 2px;
  background: var(--accent-gold);
  transition: left var(--duration-base) var(--ease-spring),
              width var(--duration-base) var(--ease-spring);
}

/* --- content ------------------------------------------------------------- */
.panel-content {
  padding: var(--space-5);
  overflow-y: auto;
  flex: 1 1 auto;
}
.panel-pane { animation: pane-in var(--duration-base) var(--ease-out); }
@keyframes pane-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.pane-prose {
  font-family: var(--font-display);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink-secondary);
  max-width: 60ch;
}
.pane-prose p { margin: 0 0 var(--space-4); }
.pane-prose p:last-child { margin-bottom: 0; }
.pane-prose .mech-label { margin: var(--space-4) 0 var(--space-2); }
.pane-prose .mech-label:first-child { margin-top: 0; }

.pane-links {
  margin-top: var(--space-5);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.pane-links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wide);
  color: var(--accent-gold);
  text-decoration: none;
}
.pane-links a:hover { text-decoration: underline; }

.dp-journal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}
.dp-journal-form textarea {
  width: 100%;
  min-height: 5.5rem;
  padding: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--ink-primary);
  background: var(--bg-surface);
  border: 0.5px solid var(--ink-quaternary);
  border-radius: var(--radius-md);
  resize: vertical;
}
.dp-journal-form button {
  align-self: flex-start;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--bg-base);
  background: var(--ink-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.dp-journal-form button:hover { opacity: 0.88; }

/* --- the Timing tab ------------------------------------------------------ */
.t-filter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-1) 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--ink-tertiary);
  cursor: pointer;
}
.t-filter input { accent-color: var(--accent-gold); }
.timing-hits {
  display: flex;
  flex-direction: column;
}
.t-hit {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: 0.5px solid var(--ink-quaternary);
}
.t-hit-date {
  flex: none;
  width: 92px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-gold);
}
.t-hit-what {
  font-size: var(--text-sm);
  color: var(--ink-secondary);
}
.t-hit-what[data-nature="harmonious"] { color: var(--aspect-harmonious); }
.t-hit-what[data-nature="dynamic"] { color: var(--aspect-dynamic); }
.t-none {
  font-size: var(--text-sm);
  color: var(--ink-tertiary);
  font-style: italic;
  margin: 0;
}
.t-year-label { margin-top: var(--space-5); }
/* the "Big 5 only" toggle hides Mars rows with no script */
.pane-timing:has(.t-big5:checked) .t-hit[data-big5="false"] {
  display: none;
}

/* mechanics sections */
.mech-section { margin-bottom: var(--space-5); }
.mech-section:last-child { margin-bottom: 0; }
.mech-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--ink-tertiary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.mech-body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  color: var(--ink-secondary);
}
.mech-body strong { color: var(--ink-primary); font-weight: var(--weight-medium); }
.mech-explain {
  background: none;
  border: 0.5px solid var(--ink-quaternary);
  color: var(--ink-tertiary);
  width: 16px; height: 16px;
  border-radius: var(--radius-full);
  font-size: 10px;
  cursor: pointer;
  line-height: 1;
}
.mech-explain:hover { color: var(--accent-gold); border-color: var(--accent-gold); }
.mech-note {
  margin-top: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-deep);
  border-left: 2px solid var(--accent-gold-soft);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--ink-tertiary);
  line-height: var(--leading-snug);
}
.mech-note[hidden] { display: none; }

/* aspects list */
.aspect-filters {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.aspect-filter {
  background: transparent;
  border: 0.5px solid var(--ink-quaternary);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-tertiary);
  cursor: pointer;
}
.aspect-filter.is-active {
  color: var(--bg-deep);
  background: var(--accent-gold);
  border-color: var(--accent-gold);
}
.aspect-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2) var(--space-3);
  align-items: center;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-bottom: 0.5px solid var(--ink-quaternary);
  padding: var(--space-3) var(--space-1);
  cursor: pointer;
}
.aspect-row:hover { background: var(--bg-elevated); }
.aspect-row:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: -2px; }
.aspect-row-main {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink-primary);
  display: flex; align-items: center; gap: var(--space-2);
}
.aspect-row-main svg { width: 16px; height: 16px; color: var(--ink-secondary); }
.aspect-row-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-tertiary);
  text-align: right;
}
.aspect-strength {
  grid-column: 1 / -1;
  height: 3px;
  background: var(--ink-quaternary);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.aspect-strength > span {
  display: block; height: 100%;
  background: var(--accent-gold);
  border-radius: var(--radius-full);
}

/* honest empty-state stub */
.pane-stub {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--ink-tertiary);
}
.pane-stub-mark {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--ink-quaternary);
}
.pane-stub-title {
  font-family: var(--font-body);
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  color: var(--ink-secondary);
  margin-top: var(--space-3);
}
.pane-stub-body {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: var(--leading-snug);
  max-width: 38ch;
  margin: var(--space-2) auto 0;
}

/* --- mobile: panel becomes a bottom sheet -------------------------------- */
@media (max-width: 720px) {
  .chart-layout { flex-direction: column; }
  .chart-panel-container {
    width: 100%;
    flex-basis: 0;
  }
  .chart-layout.has-panel .chart-panel-container {
    width: 100%;
    flex-basis: auto;
    padding-left: 0;
    padding-top: var(--space-4);
  }
  .detail-panel {
    width: 100%;
    transform: translateY(24px);
    max-height: 62vh;
    touch-action: pan-y;
    transition: transform 0.18s var(--ease-out);
  }
  .detail-panel.is-open { transform: translateY(0); }
  /* The pull-tab handle at the top of the sheet — visible affordance
     for the swipe-down-to-dismiss gesture (added by JS only on touch
     devices). A short pill of dim ink, centered above the tabs. */
  .panel-pull-tab {
    display: block;
    width: 44px; height: 4px;
    margin: 6px auto 12px;
    border-radius: 2px;
    background: var(--ink-quaternary);
    opacity: 0.6;
  }
  /* Tap-targets get touch-action: manipulation so iOS Safari drops
     its 300ms double-tap-zoom delay on them. */
  .chart-point, .cn-link, .cn-menu-summary, .cn-menu-item,
  .panel-tab, .panel-pin, .panel-close, .control-button {
    touch-action: manipulation;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chart-stage, .chart-panel-container, .detail-panel,
  .panel-tab-underline { transition-duration: 0.01ms !important; }
  .panel-pane { animation-duration: 0.01ms !important; }
}