/* ============================================================================
   GAIA shared UI layer — clarity components
   Built on the light-theme design tokens shared by all data pages:
   --teal --card --border --muted --faint --bg --surface --teal-glow --text
   (Avoid --teal-dim / --cyan: not present on trends.html.)
   Drop-in: link this AFTER a page's inline <style> so tokens resolve.
   ============================================================================ */

/* ---- Shared layout helper: keep new bands aligned with page content -------
   Bands align to the page's content width via --gaia-maxw. Default 1200px;
   pages whose content is wider (e.g. 1300px viz-panels) set
   :root { --gaia-maxw: 1300px } in their inline <style>. */
.gaia-wrap {
  max-width: var(--gaia-maxw, 1200px);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- 1. Key findings band ------------------------------------------------- */
/* Orients the reader before any chart: 3–4 plain-language takeaways. */
.gaia-keyfindings {
  max-width: var(--gaia-maxw, 1200px);
  margin: 1.5rem auto 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  border-radius: 12px;
  padding: 1.25rem 1.5rem 1.4rem;
}

.gaia-kf-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}
.gaia-kf-label::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

.gaia-kf-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 2rem;
  margin: 0; padding: 0;
}

.gaia-kf-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text);
}
.gaia-kf-list li strong { color: var(--teal); font-weight: 600; }

.gaia-kf-list li::before {
  content: "→";
  position: absolute;
  left: 0; top: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ---- 2. "What this means" chart caption ----------------------------------- */
/* Sits directly under a chart and states the takeaway in plain language. */
.gaia-take {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted);
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border);
}
.gaia-take b, .gaia-take strong {
  color: var(--text);
  font-weight: 600;
}
.gaia-take::before {
  content: "What this means";
  display: block;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.3rem;
}

/* ---- 3. Progressive disclosure: collapsible secondary charts -------------- */
/* Native <details> — no JS. Keeps headline charts visible, folds the rest. */
.gaia-collapse {
  max-width: var(--gaia-maxw, 1200px);
  margin: 1.25rem auto 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.gaia-collapse > summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
  user-select: none;
  transition: background 0.15s;
}
.gaia-collapse > summary:hover { background: var(--surface); }
.gaia-collapse > summary::-webkit-details-marker { display: none; }
.gaia-collapse > summary::before {
  content: "▸";
  color: var(--teal);
  font-size: 0.85rem;
  transition: transform 0.2s;
}
.gaia-collapse[open] > summary::before { transform: rotate(90deg); }
.gaia-collapse > summary .gaia-sum-sub {
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--faint);
  margin-left: auto;
}
.gaia-collapse > .gaia-collapse-body {
  padding: 0.5rem 1.4rem 1.4rem;
  border-top: 1px solid var(--border);
}

/* ---- 4. Small chart head: title + units chip ------------------------------ */
.gaia-chart-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.gaia-chart-head .gaia-chart-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}
.gaia-units-chip {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--teal);
  background: var(--teal-glow);
  border: 1px solid var(--teal);
  border-radius: 2rem;
  padding: 0.12rem 0.6rem;
  white-space: nowrap;
}

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width: 768px) {
  .gaia-wrap { padding: 0 1.25rem; }
  .gaia-keyfindings { margin: 1.25rem 1.25rem 0.5rem; }
  .gaia-kf-list { grid-template-columns: 1fr; gap: 0.6rem; }
  .gaia-collapse { margin: 1rem 1.25rem 0; }
}

/* ---- Consolidated dropdown nav (Task 2) ---- */
.nav-dd { position: relative; }
.nav-dd-btn { font: inherit; font-size: .9rem; font-weight: 500; cursor: pointer; background: none; border: 0; color: var(--muted); padding: 0; display: inline-flex; align-items: center; gap: .25rem; }
.nav-dd-btn:hover, .nav-dd-btn.active { color: var(--text); }
.nav-caret { font-size: .7em; opacity: .8; transition: transform .15s; }
.nav-dd:hover .nav-caret, .nav-dd.open .nav-caret { transform: rotate(180deg); }
.nav-dd-menu { position: absolute; top: calc(100% + .5rem); left: 0; min-width: 230px; list-style: none; margin: 0; padding: .4rem; background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 14px 34px -12px rgba(20,30,45,.28); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .16s, transform .16s, visibility .16s; z-index: 60; }
.nav-dd:hover .nav-dd-menu, .nav-dd:focus-within .nav-dd-menu, .nav-dd.open .nav-dd-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dd-menu li { margin: 0; }
.nav-dd-menu a { display: block; padding: .45rem .7rem; border-radius: 8px; color: var(--muted); font-size: .88rem; white-space: nowrap; }
.nav-dd-menu a:hover, .nav-dd-menu a.active { background: var(--surface); color: var(--text); }
.nav-dd-menu a .nav-dd-t { display: block; font-weight: 600; font-size: .86rem; color: inherit; }
.nav-dd-menu a .nav-dd-d { display: block; font-size: .71rem; font-weight: 400; color: var(--faint); margin-top: 1px; }
.nav-dd-menu a:hover .nav-dd-d, .nav-dd-menu a.active .nav-dd-d { color: var(--muted); }
@media (max-width: 820px) {
  .nav-dd-menu { position: static; min-width: 0; padding: .15rem 0 .3rem .9rem; background: transparent; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; display: none; }
  .nav-dd.open .nav-dd-menu { display: block; }
  .nav-dd:hover .nav-dd-menu, .nav-dd:focus-within .nav-dd-menu { display: none; }
  .nav-dd.open .nav-dd-menu { display: block; }
}