/* Reusable interface pieces: forms, cards, chips, popovers, timeline. */

/* ---------- sticky topbar ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 18px;
  padding-right: 64px;
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  transform: translateY(-100%);
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}
.topbar.visible { transform: none; }

.topbar-brand {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.zip-mini { display: flex; align-items: center; gap: 8px; }
.zip-mini input {
  font-family: var(--font-ui);
  font-size: 15px;
  width: 110px;
  padding: 6px 12px;
  border: 1.5px solid var(--rule);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  outline: none;
}
.zip-mini input:focus { border-color: var(--ink); }
.zip-mini button {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 14px;
  background: var(--accent);
  color: var(--on-accent);
  border: none;
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
}
.zip-mini button:hover { background: var(--accent2); }
.zip-mini-error {
  font-family: var(--font-ui);
  font-size: 12px;
  color: #E07856;
}

/* ---------- scroll cue (appears after a map click instead of auto-scroll) ---------- */
.scroll-cue {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 50;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 10px 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.scroll-cue.visible { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.scroll-cue:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- zip form ---------- */
.zip-form {
  display: flex;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 7px;
  box-shadow: var(--shadow), 0 0 28px rgba(65, 201, 142, 0.12);
}
.zip-form:focus-within { border-color: var(--accent); }

.zip-form input {
  font-family: var(--font-ui);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.06em;
  border: none;
  background: transparent;
  outline: none;
  padding: 10px 8px 10px 20px;
  width: 180px;
  color: var(--ink);
}

.zip-form button {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 16px;
  background: var(--accent);
  color: var(--on-accent);
  border: none;
  border-radius: 999px;
  padding: 10px 24px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}
.zip-form button:hover { background: var(--accent2); }
.zip-form button:active { transform: scale(0.97); }

.zip-error {
  font-family: var(--font-ui);
  font-size: 14px;
  color: #E07856;
  min-height: 20px;
  margin: 10px 0 0;
}

/* ---------- Texas utility picker (region sub-line) ---------- */
#util-select {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 4px 8px;
  max-width: min(340px, 80vw);
  cursor: pointer;
}
#util-select:focus { outline: none; border-color: var(--accent); }

/* ---------- cards ----------
   Top grid: big mix tile beside a stacked carbon + price column. The two
   columns size to their own content (no row-span stretching the mix tile
   into dead vertical space when the right column is tall).
   Bottom grid: full-width trend/plants/story.
   The day-on-grid scrolly section sits between the two grids. */
.cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.cards + .cards, .day-scrolly + .cards, .day-missing + .cards { margin-top: 18px; }

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 20px 22px 22px;
  box-shadow: var(--shadow);
  transition: background-color 0.25s ease, color 0.25s ease;
}

.card h3 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 5px;
}

/* Mix tile sits beside the stacked carbon + price cards. We let the grid
   rows size to the right column's content and let the mix tile's inner flex
   column distribute the extra height (waffle + legend area grows) so the
   tile never leaves a slab of dead space below the caption. */
.card-mix {
  grid-column: 1 / 5;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}
.card-mix > #mix-waffle { flex: 1 1 auto; align-content: flex-start; }
.card-co2, .card-price { grid-column: 5 / 7; }
.card-trend, .card-plants, .card-story { grid-column: 1 / -1; }

/* waffle + vertical legend side by side inside the big mix tile */
#mix-waffle { display: flex; gap: 30px; align-items: flex-start; flex-wrap: wrap; }
#mix-waffle .waffle-grid { flex: 0 1 360px; }
#mix-waffle .waffle-legend {
  flex: 1 1 210px;
  max-width: 300px; /* keep the % numbers close to their labels */
  flex-direction: column;
  align-items: stretch;
  gap: 11px;
  margin-top: 2px;
  font-size: 15.5px;
}
#mix-waffle .legend-item { display: grid; grid-template-columns: 14px 1fr auto; gap: 4px 9px; align-items: center; }
.legend-sub { grid-column: 2 / 4; font-size: 12.5px; color: var(--ink-soft); }

@media (max-width: 1000px) {
  .card-mix { grid-column: 1 / -1; grid-row: auto; }
  .card-co2 { grid-column: 1 / 4; }
  .card-price { grid-column: 4 / 7; }
}

.card-note {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.card-sentence { font-size: 17px; margin: 12px 0 0; }

.tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--ink-soft);
}

/* ---------- CO2 big number ---------- */
.co2-big { display: flex; align-items: baseline; gap: 14px; margin: 6px 0 4px; }
.co2-number {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(54px, 5.2vw, 74px);
  line-height: 1;
  letter-spacing: -0.03em;
  text-shadow: var(--num-glow);
}
.co2-unit {
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.3;
  color: var(--ink-soft);
}

/* ---------- info popovers ---------- */
.info-btn {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  line-height: 1;
  width: 19px; height: 19px;
  border-radius: 50%;
  border: 1.2px solid var(--ink-soft);
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
  vertical-align: super;
  padding: 0;
}
.info-btn:hover { border-color: var(--accent); color: var(--accent); }

.info-pop {
  position: absolute;
  z-index: 50;
  background: var(--pop);
  color: var(--pop-ink);
  border: 1px solid var(--pop-border);
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  animation: pop-in 0.18s ease;
}
.info-pop h4 { font-family: var(--font-display); font-size: 19px; font-weight: 600; letter-spacing: 0.01em; margin: 0 0 8px; }
.info-pop p { font-size: 15px; line-height: 1.5; margin: 0 0 10px; color: var(--pop-ink-soft); }
.info-pop a { color: var(--pop-accent); font-family: var(--font-ui); font-size: 13.5px; }
@keyframes pop-in { from { opacity: 0; transform: translateY(6px); } }

/* ---------- map bits ---------- */
.map-tip {
  position: absolute;
  z-index: 60;
  pointer-events: none;
  opacity: 0;
  background: var(--pop);
  color: var(--pop-ink);
  border: 1px solid var(--pop-border);
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.45;
  border-radius: 8px;
  padding: 9px 12px;
  transition: opacity 0.15s ease;
  max-width: 240px;
}
.tip-cta { color: var(--pop-accent); font-size: 12px; }

.map-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 5px 12px;
  margin-top: 6px;
  font-family: var(--font-ui);
  font-size: 11.5px;
  color: var(--ink-soft);
}
.legend-item { display: inline-flex; align-items: center; gap: 5px; }
.legend-swatch { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.legend-ramp { width: 110px; height: 9px; border-radius: 5px; display: inline-block; }
.legend-lo, .legend-hi { font-size: 11px; }

/* ---------- waffle ---------- */
.waffle-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  max-width: 330px;
  aspect-ratio: 1;
}
.waffle-sq { border-radius: 3.5px; transition: transform 0.15s ease; }
.waffle-sq:hover { transform: scale(1.18); }

.waffle-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 16px;
  font-family: var(--font-ui);
  font-size: 14px;
}
.waffle-legend .legend-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- plants ---------- */
.plants-flex { display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap; }
#plants-map { flex: 1 1 320px; max-width: 520px; }
.plants-list { flex: 1 1 300px; list-style: none; margin: 0; padding: 0; }
.plants-list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 4px 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
.plant-dot { width: 12px; height: 12px; border-radius: 50%; margin-top: 5px; }
.plant-name { font-family: var(--font-ui); font-weight: 600; font-size: 16px; }
.plant-meta { grid-column: 2; font-family: var(--font-ui); font-size: 13px; color: var(--ink-soft); }
.plants-legend {
  display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px;
  font-family: var(--font-ui); font-size: 12.5px; color: var(--ink-soft);
}

/* ---------- showcase chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.chips-all-label { font-family: var(--font-ui); font-size: 13px; color: var(--ink-soft); margin: 22px 0 10px; }
.chips-all { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; max-width: 1000px; margin: 0 auto; }
.chip-mini {
  font-family: var(--font-ui); font-size: 13.5px; font-weight: 500;
  color: var(--ink-soft); background: var(--card);
  border: 1px solid var(--rule); border-radius: 999px;
  padding: 6px 13px; cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.chip-mini:hover { color: var(--ink); border-color: var(--accent); }
p.day-missing { margin: 14px 0; }
.chip {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 16px;
  background: var(--card);
  color: var(--ink);
  border: 1.5px solid var(--rule);
  border-radius: 14px;
  padding: 14px 22px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.chip span { font-weight: 400; font-size: 13px; color: var(--ink-soft); font-family: var(--font-body); }
.chip:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow), 0 0 22px rgba(65, 201, 142, 0.10); }

/* ---------- story timeline ---------- */
.timeline { list-style: none; margin: 26px 0 8px; padding: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 54px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--rule);
}
.tl-event { display: flex; gap: 26px; padding: 9px 0; position: relative; }
.tl-year {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14.5px;
  width: 44px;
  text-align: right;
  flex-shrink: 0;
  color: var(--accent);
}
.tl-event::after {
  content: "";
  position: absolute;
  left: 49px; top: 17px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--accent);
}
.tl-event.tl-plant::after { border-color: var(--gold); }
.tl-event.tl-market::after { border-color: var(--accent2); }
.tl-event.tl-milestone::after { border-color: var(--ink-soft); }
.tl-body h4 { font-family: var(--font-ui); font-size: 16.5px; font-weight: 700; margin: 0 0 4px; }
.tl-body p { margin: 0; font-size: 17px; color: var(--ink-soft); }
.tl-src { text-decoration: none; font-size: 13px; opacity: 0.65; }

.sig-plant {
  margin: 22px 0 0;
  padding: 16px 20px;
  background: var(--paper-deep);
  border-radius: 12px;
  font-size: 17px;
}
.sig-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

/* ---------- sources table ---------- */
.sources {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 14.5px;
  margin: 18px 0 22px;
}
.sources th {
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--ink);
  padding: 8px 10px 6px 0;
}
.sources td { border-bottom: 1px solid var(--rule); padding: 9px 10px 9px 0; }

/* ---------- day-on-grid scrolly showcase ---------- */
.day-scrolly {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(230px, 1fr);
  gap: 44px;
  margin-top: 18px;
}
.day-scrolly[hidden] { display: none; }

.day-sticky {
  position: sticky;
  top: 58px;
  align-self: start;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.day-steps { display: flex; flex-direction: column; padding: 4vh 0 10vh; }

.dstep {
  min-height: 52vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.3;
  transition: opacity 0.35s ease;
}
.dstep.active { opacity: 1; }

.dstep h4 {
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0 0 6px;
}
.dstep p { margin: 0; font-size: 17px; color: var(--ink-soft); max-width: 34ch; }

/* scroll-driven hour-band highlight: dim everything outside the band */
.chart .dim { fill: var(--card); opacity: 0.62; pointer-events: none; }

@media (max-width: 900px) {
  .day-scrolly { grid-template-columns: 1fr; gap: 0; }
  .day-sticky { top: 50px; z-index: 5; }
  .dstep { min-height: 46vh; }
  .dstep p { max-width: none; }
}

@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .card-mix, .card-co2, .card-price { grid-column: 1 / -1; }
  .timeline::before { left: 44px; }
  .tl-year { width: 34px; }
  .tl-event { gap: 20px; }
  .tl-event::after { left: 39px; }
  .co2-number { font-size: 64px; }
}

/* ---------- theme toggle (top-right, fixed) ---------- */
.theme-toggle {
  position: fixed;
  top: 10px; right: 14px;
  z-index: 60;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.theme-toggle:hover { border-color: var(--accent); }

[data-theme="light"] .zip-error,
[data-theme="light"] .zip-mini-error { color: #B3402A; }

/* ---------- share / download-as-image button ----------
   .day-sticky is intentionally excluded here: it already uses `position: sticky`
   (which establishes the containing block the .share-btn anchors to), and
   overriding it to `relative` breaks the scroll-driven stick. */
.card, .map-cell { position: relative; }
.share-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 5;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.card:hover .share-btn,
.map-cell:hover .share-btn,
.day-sticky:hover .share-btn,
.share-btn:focus-visible { opacity: 1; }
.share-btn:hover { color: var(--accent); border-color: var(--accent); }