:root {
  --background: #fffdf5;
  --foreground: #1e293b;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --accent: #8b5cf6;
  --accent-foreground: #ffffff;
  --secondary: #f472b6;
  --tertiary: #fbbf24;
  --quaternary: #34d399;
  --border: #e2e8f0;
  --input: #ffffff;
  --card: #ffffff;
  --ring: #8b5cf6;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --border-width: 2px;
  --container: 1180px;
  --pop-shadow: 4px 4px 0 var(--foreground);
  --pop-shadow-hover: 6px 6px 0 var(--foreground);
  --pop-shadow-active: 2px 2px 0 var(--foreground);
  --bounce: cubic-bezier(.34, 1.56, .64, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--foreground);
  background: var(--background);
  font-family: "Plus Jakarta Sans", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 16px;
}
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
h1, h2, h3, .brand strong { font-family: "Outfit", "Microsoft JhengHei", system-ui, sans-serif; }
h1, h2, h3 { text-wrap: balance; }
.heading-chunk { display: inline-block; white-space: nowrap; }
.heading-chunk + .heading-chunk { margin-inline-start: .18em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--tertiary);
  outline-offset: 4px;
}
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link { position: fixed; left: 18px; top: 10px; z-index: 1000; padding: 10px 15px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--tertiary); color: var(--foreground); font-weight: 900; text-decoration: none; box-shadow: 3px 3px 0 var(--foreground); transform: translateY(-160%); transition: transform .16s ease; }
.skip-link:focus { transform: translateY(0); }
main { scroll-margin-top: 18px; }
main:focus { outline: none; }

.topbar {
  position: relative;
  z-index: 20;
  height: 74px;
  padding: 0 max(24px, calc((100vw - var(--container)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--border-width) solid var(--foreground);
  background: var(--background);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: var(--border-width) solid var(--foreground);
  border-radius: 50% 50% 0 50%;
  background: var(--quaternary);
  box-shadow: 3px 3px 0 var(--foreground);
  transform: rotate(-5deg);
}
.brand-mark svg { width: 31px; height: 31px; fill: none; stroke: var(--foreground); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 18px; letter-spacing: .05em; }
.brand small { margin-top: 1px; color: var(--muted-foreground); font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.topbar nav { display: flex; align-items: center; gap: clamp(12px, 1.35vw, 24px); }
.topbar nav a { position: relative; flex: 0 0 auto; color: var(--foreground); text-decoration: none; white-space: nowrap; font-size: 13px; font-weight: 800; }
.topbar nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 4px; border-radius: 999px; background: var(--secondary); transition: right .2s ease; }
.topbar nav a:hover::after { right: 0; }
.mobile-menu-button { display: none; }

.workspace {
  position: relative;
  min-height: 560px;
  padding: 58px max(24px, calc((100vw - var(--container)) / 2)) 54px;
  overflow: hidden;
  background-color: var(--background);
  background-image: radial-gradient(rgba(139,92,246,.18) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}
.workspace::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  left: -180px;
  top: 70px;
  z-index: 0;
  border: var(--border-width) solid var(--foreground);
  border-radius: 50%;
  background: var(--tertiary);
  box-shadow: 8px 8px 0 var(--foreground);
}
.workspace::after {
  content: "";
  position: absolute;
  width: 175px;
  height: 175px;
  right: 3%;
  top: 38px;
  border: var(--border-width) solid var(--foreground);
  border-radius: 50% 50% 0 50%;
  background: var(--secondary);
  transform: rotate(14deg);
}
.intro { position: relative; z-index: 3; max-width: 830px; }
.eyebrow {
  width: max-content;
  max-width: 100%;
  margin: 0 0 18px;
  padding: 7px 12px;
  display: flex;
  align-items: center;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-full);
  background: var(--quaternary);
  box-shadow: 3px 3px 0 var(--foreground);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow span { display: none; }
h1 { margin: 0; max-width: 800px; font-size: clamp(42px, 5.4vw, 70px); font-weight: 800; line-height: 1.04; letter-spacing: -.04em; }
h1 em { display: block; color: var(--accent); font-style: normal; text-decoration: underline 5px var(--tertiary); text-decoration-skip-ink: none; text-underline-offset: 6px; }
.intro > p:last-child { max-width: 710px; margin: 24px 0 30px; color: var(--muted-foreground); font-size: 17px; font-weight: 500; line-height: 1.8; }
.search-card {
  position: relative;
  z-index: 4;
  max-width: 1030px;
  padding: 22px;
  display: grid;
  grid-template-columns: 1.65fr 1fr auto;
  gap: 16px;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: 9px 9px 0 var(--secondary);
}
.search-card::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -44px;
  width: 72px;
  height: 72px;
  border: var(--border-width) solid var(--foreground);
  background: repeating-linear-gradient(45deg, var(--accent) 0 7px, white 7px 13px);
  transform: rotate(17deg);
  z-index: -1;
}
.photo-card {
  position: relative;
  z-index: 4;
  max-width: 1030px;
  margin-top: 18px;
  padding: 17px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px 20px;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-md);
  background: #effdf7;
  box-shadow: 6px 6px 0 var(--quaternary);
}
.photo-copy { display: flex; align-items: center; gap: 13px; }
.photo-copy strong, .photo-copy small { display: block; }
.photo-copy strong { font-family: "Outfit", "Microsoft JhengHei", sans-serif; font-size: 16px; }
.photo-copy small { margin-top: 4px; color: var(--muted-foreground); font-size: 13px; line-height: 1.5; }
.photo-icon { width: 42px; height: 42px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--tertiary); box-shadow: 2px 2px 0 var(--foreground); font-size: 25px; font-weight: 800; }
.photo-button, .analyse-button {
  min-height: 46px;
  padding: 10px 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-full);
  background: var(--accent);
  color: white;
  box-shadow: 3px 3px 0 var(--foreground);
  font-weight: 800;
  cursor: pointer;
}
.photo-button:hover, .analyse-button:hover { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--foreground); }
.photo-preview { grid-column: 1 / -1; padding-top: 14px; display: grid; grid-template-columns: 126px 1fr; align-items: center; gap: 16px; border-top: 2px dashed #a7c9b9; }
.photo-preview img { width: 126px; height: 100px; object-fit: cover; border: var(--border-width) solid var(--foreground); border-radius: 12px; background: white; }
.photo-preview p { margin: 0 0 10px; font-size: 12px; font-weight: 700; }
.analyse-button { min-height: 40px; padding: 8px 14px; font-size: 12px; }
.analyse-button:disabled { opacity: .65; cursor: wait; transform: none; box-shadow: 2px 2px 0 var(--foreground); }
.remove-photo { margin-left: 12px; padding: 8px 10px; border: 0; background: transparent; color: var(--muted-foreground); text-decoration: underline; cursor: pointer; font-size: 11px; font-weight: 700; }
.photo-privacy { grid-column: 1 / -1; margin: 0; color: var(--muted-foreground); font-size: 13px; line-height: 1.65; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.field label { display: block; margin-bottom: 8px; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.input-wrap { position: relative; }
.input-wrap > span { position: absolute; left: 16px; top: 50%; transform: translateY(-52%); color: var(--accent); font-size: 25px; font-weight: 800; }
input, select {
  width: 100%;
  height: 54px;
  border: var(--border-width) solid #cbd5e1;
  border-radius: var(--radius-md);
  background: var(--input);
  color: var(--foreground);
  outline: 0;
  transition: border-color .2s ease, box-shadow .2s ease;
}
input { padding: 0 46px; }
select { padding: 0 38px 0 14px; }
input:focus, select:focus { border-color: var(--ring); box-shadow: 4px 4px 0 var(--ring); }
.clear-button { position: absolute; right: 12px; top: 50%; width: 30px; height: 30px; transform: translateY(-50%); border: 0; border-radius: 50%; background: var(--muted); cursor: pointer; font-size: 21px; line-height: 1; }
.primary-button {
  align-self: end;
  min-width: 160px;
  height: 54px;
  padding: 0 9px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--accent-foreground);
  box-shadow: var(--pop-shadow);
  font-weight: 800;
  cursor: pointer;
  transition: all .25s var(--bounce);
}
.primary-button span:last-child { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: white; color: var(--foreground); font-size: 19px; }
.primary-button:hover { transform: translate(-2px,-2px); box-shadow: var(--pop-shadow-hover); }
.primary-button:active { transform: translate(2px,2px); box-shadow: var(--pop-shadow-active); }
.quick-picks { grid-column: 1 / -1; padding-top: 2px; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; color: var(--muted-foreground); font-size: 11px; font-weight: 700; }
.quick-picks button { padding: 6px 11px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: white; font-size: 11px; font-weight: 800; cursor: pointer; transition: all .2s var(--bounce); }
.quick-picks button:nth-of-type(2n):hover { background: var(--secondary); }
.quick-picks button:nth-of-type(2n+1):hover { background: var(--tertiary); }
.quick-picks button:hover { transform: translateY(-2px) rotate(-2deg); box-shadow: 2px 2px 0 var(--foreground); }
.privacy-note { position: relative; z-index: 3; max-width: 620px; margin-top: 22px; display: flex; align-items: center; gap: 11px; color: var(--muted-foreground); font-size: 13px; }
.privacy-note > span { width: 29px; height: 29px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--quaternary); font-weight: 800; }
.privacy-note p { margin: 0; line-height: 1.5; }
.privacy-note strong { color: var(--foreground); }

.results-section {
  position: relative;
  min-height: 360px;
  padding: 78px max(24px, calc((100vw - var(--container)) / 2));
  overflow: hidden;
  background-color: #f6f2ff;
  background-image: linear-gradient(rgba(139,92,246,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(139,92,246,.06) 1px, transparent 1px);
  background-size: 32px 32px;
  border-top: var(--border-width) solid var(--foreground);
}
.results-section::before { content: ""; position: absolute; right: -50px; top: 58px; width: 130px; height: 130px; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--quaternary); }
.results-header { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.results-header h2, .how-section h2 { margin: 0 0 9px; font-size: clamp(30px, 3.5vw, 46px); font-weight: 800; letter-spacing: -.03em; }
.results-header > div > p:last-child { margin: 0; color: var(--muted-foreground); line-height: 1.7; }
.secondary-button, .load-more {
  padding: 11px 19px;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-full);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
  transition: all .2s var(--bounce);
}
.secondary-button:hover, .load-more:hover { background: var(--tertiary); transform: translateY(-2px); box-shadow: 3px 3px 0 var(--foreground); }
.classification-card {
  position: relative;
  z-index: 1;
  margin-top: 34px;
  padding: 26px;
  display: grid;
  grid-template-columns: auto 1fr minmax(220px,.72fr);
  gap: 22px;
  align-items: center;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
  background: white;
  box-shadow: 8px 8px 0 var(--secondary);
  animation: pop-in .45s var(--bounce) both;
}
.category-icon { width: 74px; height: 74px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--tertiary); box-shadow: 3px 3px 0 var(--foreground); font-size: 23px; font-weight: 800; }
.confidence { display: inline-flex; margin-bottom: 7px; padding: 5px 9px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 10px; font-weight: 800; }
.classification-main h3 { margin: 0 0 5px; font-size: 24px; }
.classification-main p, .prep-tip p { margin: 0; color: var(--muted-foreground); font-size: 15px; line-height: 1.65; }
.prep-tip { padding: 17px; border: var(--border-width) dashed var(--foreground); border-radius: var(--radius-md); background: #fff8d9; }
.prep-tip span { display: block; margin-bottom: 5px; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.unmatched-card { margin-top: 30px; padding: 24px; display: flex; align-items: center; gap: 18px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: white; box-shadow: 7px 7px 0 var(--tertiary); }
.unmatched-icon { flex: 0 0 auto; width: 54px; height: 54px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--secondary); font-size: 24px; font-weight: 800; }
.unmatched-card h3, .unmatched-card p { margin: 0; }
.unmatched-card p { margin-top: 6px; color: var(--muted-foreground); }
.result-toolbar { margin: 38px 0 18px; display: flex; align-items: center; justify-content: space-between; color: var(--muted-foreground); font-size: 14px; }
.result-toolbar p { margin: 0; }
.result-toolbar strong { display: inline-block; min-width: 42px; color: var(--accent); font-family: "Outfit", sans-serif; font-size: 26px; }
.result-toolbar label { display: flex; align-items: center; gap: 8px; font-weight: 800; }
.result-toolbar select { width: 74px; height: 39px; border-radius: var(--radius-sm); }
.points-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.point-card {
  position: relative;
  padding: 23px;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-md);
  background: white;
  box-shadow: 7px 7px 0 var(--border);
  transition: all .27s var(--bounce);
  animation: pop-in .38s var(--bounce) both;
}
.point-card:nth-child(3n+1) { box-shadow: 7px 7px 0 #ddd0ff; }
.point-card:nth-child(3n+2) { box-shadow: 7px 7px 0 #ffc4df; }
.point-card:nth-child(3n) { box-shadow: 7px 7px 0 #b9f4d8; }
.point-card:hover { transform: rotate(-.5deg) scale(1.012); box-shadow: 10px 10px 0 var(--tertiary); }
.point-top { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.point-type { display: inline-block; margin-bottom: 9px; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.point-card h3 { margin: 0; font-size: 18px; line-height: 1.45; }
.district-pill { flex: 0 0 auto; padding: 6px 9px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 10px; font-weight: 800; }
.point-details { margin: 18px 0; padding: 15px 0; display: grid; gap: 10px; border-top: var(--border-width) dashed #cbd5e1; border-bottom: var(--border-width) dashed #cbd5e1; }
.point-details p { margin: 0; display: grid; grid-template-columns: 64px 1fr; gap: 10px; color: var(--muted-foreground); font-size: 14px; line-height: 1.6; }
.point-details strong { color: var(--foreground); }
.accepted-types { display: flex; flex-wrap: wrap; gap: 6px; }
.accepted-types span { padding: 5px 8px; border-radius: var(--radius-sm); background: var(--muted); font-size: 10px; font-weight: 700; }
.point-actions { margin-top: 19px; display: flex; gap: 10px; }
.point-actions a, .point-actions button { min-height: 44px; padding: 9px 13px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); text-align: center; text-decoration: none; font-size: 11px; font-weight: 800; transition: all .2s var(--bounce); cursor: pointer; }
.map-link { flex: 1.25; background: var(--accent); color: white; box-shadow: 3px 3px 0 var(--foreground); }
.official-link { flex: .75; color: var(--foreground); background: white; }
.point-actions a:hover, .point-actions button:hover { transform: translateY(-2px); box-shadow: 5px 5px 0 var(--foreground); }
.point-actions button { background: white; }
.official-link:hover { background: var(--tertiary); }
.load-more { display: block; margin: 30px auto 0; background: white; }

.section-heading { position: relative; z-index: 1; max-width: 760px; }
.section-heading :is(h1,h2), .pledge-builder h2 { margin: 0 0 12px; max-width: none; font-size: clamp(30px, 3.5vw, 46px); line-height: 1.12; letter-spacing: -.03em; }
.section-heading > p:last-child, .pledge-builder > div:first-child > p:last-child { margin: 0; color: var(--muted-foreground); font-size: 16px; line-height: 1.75; }

.guide-section { position: relative; padding: 88px max(24px, calc((100vw - var(--container)) / 2)); overflow: hidden; border-top: var(--border-width) solid var(--foreground); background: #effdf7; }
.guide-section::before { content: ""; position: absolute; width: 155px; height: 155px; right: 4%; top: 38px; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: repeating-linear-gradient(45deg, var(--tertiary) 0 7px, #fff 7px 14px); transform: rotate(9deg); }
.guide-layout { position: relative; z-index: 1; margin-top: 38px; display: grid; grid-template-columns: 190px minmax(0,1fr) 260px; gap: 22px; align-items: start; }
.material-tabs { display: grid; gap: 11px; }
.material-tabs button { min-height: 50px; padding: 10px 16px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: white; text-align: left; font-weight: 800; cursor: pointer; transition: all .2s var(--bounce); }
.material-tabs button[aria-selected="true"] { background: var(--accent); color: white; box-shadow: var(--pop-shadow); transform: translate(-2px,-2px); }
.checklist-card { padding: 27px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: white; box-shadow: 8px 8px 0 var(--quaternary); }
.checklist-intro { display: flex; align-items: center; gap: 16px; }
.guide-icon { flex: 0 0 auto; width: 64px; height: 64px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--tertiary); box-shadow: 3px 3px 0 var(--foreground); font-size: 20px; font-weight: 800; }
.guide-kicker { margin: 0 0 4px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.checklist-intro h3 { margin: 0; font-size: 25px; }
.checklist-intro div > p:last-child { margin: 5px 0 0; color: var(--muted-foreground); font-size: 14px; line-height: 1.6; }
#guide-checklist { margin: 24px 0 20px; padding: 0; display: grid; gap: 11px; border: 0; }
#guide-checklist label { position: relative; min-height: 54px; padding: 13px 14px; display: flex; align-items: center; gap: 12px; border: var(--border-width) solid #cbd5e1; border-radius: var(--radius-md); cursor: pointer; }
#guide-checklist label:has(input:checked) { border-color: var(--quaternary); background: #e8fff4; }
#guide-checklist input, .choice-row input, .pledge-options input { position: absolute; width: 1px; height: 1px; opacity: 0; }
#guide-checklist label > span, .choice-row::before, .pledge-options label::before { content: ""; flex: 0 0 auto; width: 25px; height: 25px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 7px; background: white; font-weight: 800; }
#guide-checklist input:checked + span { background: var(--quaternary); }
#guide-checklist input:checked + span::after, .choice-row:has(input:checked)::before, .pledge-options label:has(input:checked)::before { content: "✓"; }
#guide-checklist input:focus-visible + span, .choice-row:has(input:focus-visible)::before, .pledge-options label:has(input:focus-visible)::before { outline: 3px solid var(--tertiary); outline-offset: 3px; }
#guide-checklist strong { font-size: 15px; line-height: 1.45; }
.progress-track { height: 12px; overflow: hidden; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: var(--muted); }
.progress-track span { display: block; width: 0; height: 100%; background: var(--quaternary); transition: width .3s ease; }
.guide-progress p { margin: 9px 0 0; color: var(--muted-foreground); font-size: 13px; font-weight: 800; }
.guide-progress p.is-complete { color: #047857; }
.guide-warning { padding: 22px; border: var(--border-width) solid var(--foreground); border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg); background: #fff4d5; box-shadow: 6px 6px 0 var(--tertiary); }
.guide-warning strong { display: inline-block; padding: 5px 9px; border-radius: var(--radius-full); background: var(--secondary); font-size: 12px; }
.guide-warning p { margin: 13px 0 0; font-size: 14px; line-height: 1.7; }

.carbon-section { position: relative; padding: 92px max(24px, calc((100vw - var(--container)) / 2)); border-top: var(--border-width) solid var(--foreground); background-color: #f8f5ff; background-image: radial-gradient(rgba(139,92,246,.15) 1.5px, transparent 1.5px); background-size: 25px 25px; }
.carbon-heading { max-width: none; display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: end; }
.carbon-heading > p { padding: 18px; border: var(--border-width) dashed var(--foreground); border-radius: var(--radius-md); background: white; }
.carbon-concept-strip { margin-top: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.carbon-concept-strip article { padding: 20px; display: grid; grid-template-columns: auto 1fr; gap: 15px; align-items: start; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: white; box-shadow: 5px 5px 0 var(--border); }
.carbon-concept-strip article:nth-child(2) { box-shadow-color: var(--quaternary); }
.carbon-concept-strip article > span { width: 52px; height: 52px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); font-size: 25px; }
.carbon-concept-strip article:nth-child(2) > span { background: var(--quaternary); }
.carbon-concept-strip h3 { margin: 0 0 6px; font-size: 19px; }
.carbon-concept-strip p { margin: 0; color: var(--muted-foreground); font-size: 14px; line-height: 1.65; }
.carbon-form { margin-top: 40px; display: grid; grid-template-columns: repeat(6,1fr); gap: 20px; }
.footprint-card { min-width: 0; margin: 0; padding: 22px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: white; box-shadow: 6px 6px 0 var(--border); }
.footprint-card:nth-of-type(1), .footprint-card:nth-of-type(2) { grid-column: span 3; }
.footprint-card:nth-of-type(n+3) { grid-column: span 2; }
.footprint-card legend { padding: 0 8px 0 0; font-family: "Outfit","Microsoft JhengHei",sans-serif; font-size: 21px; font-weight: 800; }
.footprint-card legend span { width: 36px; height: 36px; margin-right: 8px; display: inline-grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; box-shadow: 2px 2px 0 var(--foreground); }
.footprint-clothes legend span { background: var(--secondary); }
.footprint-food legend span { background: var(--tertiary); }
.footprint-home legend span { background: var(--quaternary); }
.footprint-travel legend span { background: #c4b5fd; }
.footprint-waste legend span { background: #f9a8d4; }
.footprint-card > label:not(.choice-row), .two-fields label { margin-top: 14px; display: block; font-size: 14px; font-weight: 800; line-height: 1.5; }
.footprint-card output { float: right; color: var(--accent); }
.footprint-card input[type="range"] { height: 34px; padding: 0; accent-color: var(--accent); box-shadow: none; border: 0; }
.footprint-card select,.footprint-card > input[type="number"] { width: 100%; height: 48px; margin-top: 7px; padding: 0 12px; }
.footprint-card > small, .two-fields small { display: block; color: var(--muted-foreground); font-size: 12px; line-height: 1.55; }
.two-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.two-fields input { height: 48px; margin-top: 7px; padding: 0 12px; }
.choice-row { position: relative; margin-top: 14px; display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 700; line-height: 1.5; cursor: pointer; }
.choice-row:has(input:checked)::before { background: var(--quaternary); }
.carbon-submit { grid-column: 1 / -1; justify-self: center; align-self: auto; }
.carbon-result { margin-top: 34px; padding: 27px; display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: var(--foreground); color: white; box-shadow: 9px 9px 0 var(--tertiary); }
.score-badge { width: 150px; height: 150px; display: grid; place-content: center; border: var(--border-width) solid white; border-radius: 50%; background: var(--accent); text-align: center; }
.score-badge strong { font-family: "Outfit",sans-serif; font-size: 55px; line-height: .9; }
.score-badge span { margin-top: 9px; font-size: 11px; font-weight: 800; line-height: 1.4; }
.result-copy h3 { margin: 0 0 8px; font-size: 27px; }
.result-copy > p:not(.guide-kicker) { margin: 0; color: #dbe4ef; line-height: 1.65; }
.result-copy ul { margin: 15px 0 0; padding-left: 21px; display: grid; gap: 7px; color: #fff5c2; font-size: 14px; line-height: 1.55; }
.carbon-breakdown { margin-top: 18px; display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 9px; }
.carbon-breakdown > div { min-width: 0; padding: 9px; border: 1.5px solid #94a3b8; border-radius: 10px; background: #29364a; }
.carbon-breakdown > div > span { display: flex; justify-content: space-between; gap: 5px; align-items: baseline; }
.carbon-breakdown b { font-size: 13px; }
.carbon-breakdown small { color: #dbe4ef; font-size: 9px; text-align: right; }
.carbon-breakdown i { height: 8px; margin-top: 7px; display: block; overflow: hidden; border-radius: var(--radius-full); background: #475569; }
.carbon-breakdown i span { height: 100%; display: block; border-radius: inherit; background: var(--tertiary); }
.carbon-method-link { margin-top: 13px !important; font-size: 13px; }
.carbon-method-link a { color: white; font-weight: 800; text-decoration-thickness: 2px; }
.carbon-challenge { margin-top: 58px; padding: 31px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: #fffdf5; box-shadow: 9px 9px 0 var(--quaternary); }
.carbon-challenge-heading { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.carbon-challenge-heading h2 { margin: 0 0 8px; font-size: clamp(28px,3vw,42px); }
.carbon-challenge-heading p:last-child { max-width: 690px; margin: 0; color: var(--muted-foreground); line-height: 1.65; }
.challenge-score { width: 112px; height: 112px; display: grid; place-content: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--tertiary); box-shadow: 4px 4px 0 var(--foreground); text-align: center; }
.challenge-score strong { font-family: "Outfit",sans-serif; font-size: 42px; line-height: 1; }
.challenge-score span { margin-top: 6px; font-size: 12px; font-weight: 800; }
.challenge-progress { height: 13px; margin: 24px 0; overflow: hidden; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; }
.challenge-progress span { width: 0; height: 100%; display: block; border-radius: inherit; background: var(--accent); transition: width .35s ease; }
.challenge-card { padding: 25px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: white; }
.challenge-card h3 { margin: 8px 0 20px; font-size: clamp(22px,2.5vw,31px); line-height: 1.35; }
.challenge-options { display: grid; gap: 11px; }
.challenge-option { width: 100%; min-height: 58px; padding: 10px 14px; display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: center; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; color: var(--foreground); text-align: left; cursor: pointer; transition: transform .18s ease,box-shadow .18s ease,background .18s ease; }
.challenge-option:not(:disabled):hover { transform: translate(-2px,-2px); box-shadow: 4px 4px 0 var(--foreground); }
.challenge-option > span { width: 36px; height: 36px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: #ede9fe; font-weight: 900; }
.challenge-option strong { font-size: 15px; line-height: 1.5; }
.challenge-option.is-correct { background: #d1fae5; border-color: #047857; }
.challenge-option.is-correct > span { background: var(--quaternary); }
.challenge-option.is-wrong { background: #fff1f2; border-color: #be123c; }
.challenge-option.is-wrong > span { background: #fda4af; }
.challenge-feedback { margin-top: 18px; padding: 15px 17px; border-left: 6px solid var(--quaternary); border-radius: 0 var(--radius-md) var(--radius-md) 0; background: #ecfdf5; }
.challenge-feedback.is-wrong { border-left-color: var(--secondary); background: #fff1f7; }
.challenge-feedback p { margin: 5px 0 0; line-height: 1.65; }
.challenge-next { margin: 20px 0 0 auto; }
.challenge-result { padding: 24px; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: white; }
.challenge-result > span { font-size: 48px; }
.challenge-result h3,.challenge-result p { margin: 0; }
.challenge-result p { margin-top: 5px; color: var(--muted-foreground); line-height: 1.6; }
.challenge-note { margin: 18px 0 0; color: var(--muted-foreground); font-size: 13px; line-height: 1.6; }
.seven-day-challenge { margin-top: 58px; padding: 31px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) 0 var(--radius-lg) var(--radius-lg); background: #fff; box-shadow: 9px 9px 0 var(--tertiary); }
.seven-day-heading { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: center; }
.seven-day-heading h2 { margin: 0 0 8px; font-size: clamp(28px,3vw,42px); }
.seven-day-heading p:last-child { max-width: 760px; margin: 0; color: var(--muted-foreground); line-height: 1.65; }
.no-storage-badge { padding: 9px 13px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); box-shadow: 3px 3px 0 var(--foreground); font-size: 12px; font-weight: 900; white-space: nowrap; }
.seven-day-sheet { margin-top: 25px; padding: 25px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: #fffdf5; }
.seven-day-sheet > header { display: flex; justify-content: space-between; gap: 20px; align-items: end; padding-bottom: 15px; border-bottom: 3px solid var(--foreground); }
.seven-day-sheet header small { color: var(--accent); font-weight: 900; }
.seven-day-sheet header h3 { margin: 3px 0 0; font-size: 27px; }
.seven-day-sheet header p { margin: 0; font-size: 13px; }
.seven-day-instruction { margin: 15px 0; padding: 11px 13px; border-left: 5px solid var(--accent); background: #f5f0ff; line-height: 1.6; }
.seven-day-grid { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 13px; list-style: none; }
.seven-day-grid li { min-width: 0; padding: 15px; display: grid; grid-template-columns: auto 1fr; gap: 12px; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; break-inside: avoid; }
.seven-day-grid li:last-child { grid-column: 1 / -1; }
.seven-day-grid input { width: 25px; height: 25px; margin: 2px 0 0; accent-color: var(--accent); }
.seven-day-grid p { margin: 0 0 6px; display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.seven-day-grid p span,.seven-day-grid p b { padding: 3px 8px; border: 1.5px solid var(--foreground); border-radius: var(--radius-full); font-size: 11px; }
.seven-day-grid p span { background: #ede9fe; }
.seven-day-grid p b { background: var(--tertiary); }
.seven-day-grid label { display: block; font-weight: 800; line-height: 1.5; cursor: pointer; }
.seven-day-grid small { margin-top: 5px; display: block; color: var(--muted-foreground); line-height: 1.5; }
.seven-day-note { min-height: 47px; margin-top: 10px; padding-top: 6px; border-bottom: 1.5px solid #94a3b8; color: #64748b; font-size: 11px; }
.seven-day-reflection { margin-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.seven-day-reflection label { font-weight: 800; }
.seven-day-reflection span { min-width: 150px; height: 26px; display: inline-block; border-bottom: 2px solid #94a3b8; vertical-align: bottom; }
.seven-day-sheet > footer { margin-top: 18px; padding: 13px; border: 2px dashed var(--foreground); border-radius: var(--radius-md); background: #ecfdf5; }
.seven-day-actions { margin-top: 18px; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 11px; }
.pledge-builder { margin-top: 58px; padding: 31px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 24px 38px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: white; box-shadow: 9px 9px 0 var(--secondary); }
.pledge-options { align-self: center; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pledge-options label { position: relative; min-height: 52px; padding: 11px; display: flex; align-items: center; gap: 9px; border: var(--border-width) solid #cbd5e1; border-radius: var(--radius-md); font-size: 14px; font-weight: 800; cursor: pointer; }
.pledge-options label:has(input:checked) { border-color: var(--accent); background: #f1ebff; }
.pledge-options label:has(input:checked)::before { background: var(--tertiary); }
.pledge-paper { grid-column: 1 / -1; min-height: 250px; padding: 34px; border: var(--border-width) dashed var(--foreground); border-radius: var(--radius-md); background: #fffdf5; }
.pledge-brand { margin: 0; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.pledge-paper h3 { margin: 10px 0 20px; font-size: 30px; }
.pledge-paper ul { padding-left: 22px; display: grid; gap: 8px; line-height: 1.6; }
.pledge-date { margin: 24px 0 0; padding-top: 15px; border-top: 2px solid var(--border); color: var(--muted-foreground); font-size: 13px; }
.pledge-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 12px; }
.pledge-actions .secondary-button { background: white; }

.curriculum-section { padding: 88px max(24px, calc((100vw - var(--container)) / 2)); border-top: var(--border-width) solid var(--foreground); background: #fff8d9; }
.curriculum-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 34px; align-items: end; }
.curriculum-heading > p { margin: 0; color: var(--muted-foreground); line-height: 1.7; }
.curriculum-toolbar { margin: 30px 0 24px; padding: 18px; display: grid; grid-template-columns: repeat(3, minmax(128px, 1fr)); gap: 14px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: white; box-shadow: 6px 6px 0 var(--tertiary); }
.curriculum-toolbar label { display: grid; gap: 7px; color: var(--foreground); font-size: 13px; font-weight: 800; }
.curriculum-toolbar input, .curriculum-toolbar select { width: 100%; min-height: 48px; padding: 10px 13px; border: var(--border-width) solid #cbd5e1; border-radius: var(--radius-md); background: white; color: var(--foreground); font: inherit; font-size: 15px; }
.curriculum-toolbar input:focus, .curriculum-toolbar select:focus { outline: none; border-color: var(--accent); box-shadow: 3px 3px 0 var(--accent); }
.curriculum-toolbar:focus { outline: none; }
.curriculum-filter-actions { grid-column: 1 / -1; padding-top: 13px; display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 2px dashed var(--border); }
.curriculum-filter-actions p { margin: 0; display: grid; gap: 3px; color: var(--muted-foreground); font-size: 12px; }
.curriculum-filter-actions strong { color: var(--foreground); font-size: 15px; }
.curriculum-filter-buttons { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.curriculum-filter-actions button { min-height: 42px; padding: 8px 17px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); color: var(--foreground); font: inherit; font-weight: 850; cursor: pointer; }
.curriculum-filter-actions .curriculum-share { background: white; }
.curriculum-filter-actions button:hover:not(:disabled), .curriculum-filter-actions button:focus-visible { background: var(--tertiary); box-shadow: 3px 3px 0 var(--foreground); outline: none; }
.curriculum-filter-actions button:disabled { border-color: #cbd5e1; background: var(--muted); color: var(--muted-foreground); cursor: default; opacity: .72; }
.curriculum-share-status { grid-column: 1 / -1; min-height: 18px; color: #5b21b6; font-weight: 750; }
.back-to-filters, .back-to-topics { position: fixed; right: 24px; bottom: 24px; z-index: 18; min-height: 50px; padding: 8px 18px 8px 9px; display: flex; align-items: center; gap: 9px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--tertiary); color: var(--foreground); box-shadow: 4px 4px 0 var(--foreground); font: inherit; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.back-to-filters[hidden], .back-to-topics[hidden] { display: none; }
.back-to-filters span, .back-to-topics span { width: 32px; height: 32px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: white; font-size: 19px; line-height: 1; }
.back-to-filters strong, .back-to-topics strong { font-size: 15px; font-weight: 850; white-space: nowrap; }
.back-to-filters:hover, .back-to-topics:hover { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 var(--foreground); }
.back-to-filters:active, .back-to-topics:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--foreground); }
.back-to-filters:focus-visible, .back-to-topics:focus-visible { outline: 4px solid white; box-shadow: 0 0 0 7px var(--accent), 5px 5px 0 7px var(--foreground); }
.learning-flow { margin: 0 0 26px; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; }
.learning-flow a { min-height: 48px; padding: 8px 12px; display: flex; align-items: center; justify-content: center; gap: 8px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); font-weight: 850; text-decoration: none; }
.learning-flow a:hover, .learning-flow a:focus-visible { background: var(--tertiary); box-shadow: 3px 3px 0 var(--foreground); outline: none; }
.learning-flow span { width: 27px; height: 27px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--quaternary); font-size: 13px; }
html[data-page="learning"] .curriculum-grid { scroll-margin-top: 95px; }
html[data-page="learning"] .curriculum-status { margin-bottom: 34px; }
.flashcard-lab { margin: 0 0 30px; padding: 26px; display: grid; grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr); gap: 30px; align-items: center; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) 0 var(--radius-lg) var(--radius-lg); background: var(--accent); color: white; box-shadow: 8px 8px 0 var(--foreground); }
.flashcard-intro h3 { margin: 12px 0 10px; font-size: clamp(24px,3vw,34px); line-height: 1.2; }
.flashcard-intro > p:last-child { margin: 0; color: #eee8ff; line-height: 1.65; }
.flashcard-intro .eyebrow { background: var(--tertiary); color: var(--foreground); }
.flashcard { min-height: 310px; padding: 24px; display: flex; flex-direction: column; border: var(--border-width) solid var(--foreground); border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg); background: white; color: var(--foreground); box-shadow: 7px 7px 0 var(--tertiary); }
.flashcard-topline { display: flex; justify-content: space-between; gap: 14px; color: var(--accent); font-size: 13px; font-weight: 800; }
.flashcard-label { margin: 22px 0 6px; color: var(--muted-foreground); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.flashcard h4 { margin: 0; font-size: clamp(21px,2.5vw,29px); line-height: 1.35; }
.flashcard-answer { margin-top: 18px; padding: 15px 17px; border: 2px dashed var(--foreground); border-radius: var(--radius-md); background: #fff8d9; }
.flashcard-answer .flashcard-label { margin-top: 0; }
.flashcard-answer p { margin: 0; line-height: 1.65; }
.flashcard-answer .flashcard-skill { margin-top: 10px; color: var(--accent); font-weight: 800; }
.flashcard-flip { margin: auto 0 15px; min-height: 48px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: var(--secondary); color: var(--foreground); font-weight: 800; box-shadow: 4px 4px 0 var(--foreground); cursor: pointer; }
.flashcard-controls { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.flashcard-controls button { min-height: 44px; padding: 8px 10px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); font-weight: 800; cursor: pointer; }
.flashcard-flip:hover:not(:disabled), .flashcard-controls button:hover:not(:disabled) { background: var(--tertiary); }
.flashcard button:focus-visible { outline: 4px solid var(--quaternary); outline-offset: 2px; }
.flashcard button:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.learning-progress { margin: 0 0 30px; padding: 22px 24px; display: grid; grid-template-columns: minmax(220px,.7fr) minmax(0,1.3fr); gap: 24px; align-items: center; border: var(--border-width) solid var(--foreground); border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg); background: white; box-shadow: 7px 7px 0 var(--secondary); }
.learning-progress h3 { margin: 9px 0 6px; font-size: 24px; }
.learning-progress > div > p:last-child { margin: 0; color: var(--muted-foreground); font-size: 14px; line-height: 1.55; }
.learning-progress dl { margin: 0; display: grid; grid-template-columns: repeat(4,1fr); gap: 9px; }
.learning-progress dl div { min-height: 92px; padding: 14px 10px; display: flex; flex-direction: column-reverse; justify-content: center; align-items: center; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: #fff8d9; text-align: center; }
.learning-progress dl div:nth-child(2) { background: #eadcff; }
.learning-progress dl div:nth-child(3) { background: #c9f7df; }
.learning-progress dl div:nth-child(4) { background: #ffdbe9; }
.learning-progress dt { margin-top: 4px; font-size: 12px; font-weight: 800; }
.learning-progress dd { margin: 0; font-family: "Outfit",sans-serif; font-size: 27px; font-weight: 900; }
.quiz-lab { margin: 0 0 32px; padding: 28px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: #c9f7df; box-shadow: 8px 8px 0 var(--quaternary); }
.quiz-heading { display: flex; gap: 20px; align-items: center; }
.quiz-mark { flex: 0 0 auto; width: 68px; height: 68px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--tertiary); box-shadow: 4px 4px 0 var(--foreground); font-family: "Outfit",sans-serif; font-size: 34px; font-weight: 900; transform: rotate(-7deg); }
.quiz-heading h3 { margin: 7px 0 5px; font-size: clamp(25px,3vw,35px); }
.quiz-heading p { margin: 0; line-height: 1.6; }
.quiz-start { margin-top: 22px; padding: 20px; display: grid; grid-template-columns: 170px 1fr auto; gap: 18px; align-items: end; border: 2px dashed var(--foreground); border-radius: var(--radius-md); background: white; }
.quiz-start p { margin: 0; line-height: 1.6; }
.quiz-difficulty { display: grid; gap: 7px; font-size: 14px; font-weight: 800; }
.quiz-difficulty select { min-height: 46px; padding: 9px 12px; border: 2px solid #cbd5e1; border-radius: var(--radius-md); background: white; color: var(--foreground); font: inherit; }
.quiz-difficulty select:focus { border-color: var(--accent); outline: 0; box-shadow: 4px 4px 0 var(--accent); }
.quiz-start-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.quiz-secondary { min-height: 48px; padding: 10px 18px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); font-weight: 800; cursor: pointer; }
.quiz-secondary:hover:not(:disabled) { background: var(--tertiary); }
.quiz-secondary:disabled { opacity: .45; cursor: not-allowed; }
.quiz-primary, .quiz-next { min-height: 48px; padding: 10px 22px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: var(--accent); color: white; font-weight: 800; box-shadow: 4px 4px 0 var(--foreground); cursor: pointer; }
.quiz-primary:disabled { opacity: .45; box-shadow: none; cursor: not-allowed; }
.quiz-primary:hover:not(:disabled), .quiz-next:hover { background: var(--secondary); color: var(--foreground); }
.quiz-question { margin-top: 22px; padding: 24px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: white; }
.quiz-progress { display: grid; grid-template-columns: auto minmax(120px,1fr); gap: 14px; align-items: center; font-size: 13px; font-weight: 800; }
.quiz-progress-track { height: 10px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--muted); overflow: hidden; }
.quiz-progress-track i { height: 100%; display: block; background: var(--accent); transition: width .25s ease; }
.quiz-theme { margin: 22px 0 7px; color: var(--accent); font-size: 13px; font-weight: 800; }
.quiz-question h4 { margin: 0; font-size: clamp(21px,2.5vw,29px); line-height: 1.4; }
.quiz-choices { margin-top: 20px; display: grid; gap: 10px; }
.quiz-choices button { min-height: 54px; padding: 11px 14px; display: flex; gap: 12px; align-items: center; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; color: var(--foreground); text-align: left; font-size: 15px; font-weight: 700; line-height: 1.5; cursor: pointer; }
.quiz-choices button span { flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); font-weight: 900; }
.quiz-choices button:hover:not(:disabled) { background: #f1ebff; transform: translateX(3px); }
.quiz-choices button.is-correct { background: #bbf7d0; }
.quiz-choices button.is-wrong { background: #fecdd3; }
.quiz-choices button:disabled { color: var(--foreground); cursor: default; }
.quiz-choice-status { margin-left: auto; padding: 3px 8px; border: 1px solid currentColor; border-radius: var(--radius-full); font-size: 12px; font-weight: 900; white-space: nowrap; }
.quiz-feedback { min-height: 24px; margin: 15px 0 0; font-weight: 800; }
.quiz-feedback.is-correct { color: #08783f; }
.quiz-feedback.is-wrong { color: #b4233a; }
.quiz-next { margin-top: 8px; float: right; }
.quiz-result { margin-top: 22px; padding: 25px; display: grid; grid-template-columns: 120px 1fr; gap: 25px; align-items: center; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: white; }
.quiz-result > span { width: 112px; height: 112px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--tertiary); box-shadow: 5px 5px 0 var(--foreground); font-family: "Outfit",sans-serif; font-size: 28px; font-weight: 900; }
.quiz-result h4 { margin: 0 0 7px; font-size: 28px; }
.quiz-result p { margin: 0 0 18px; color: var(--muted-foreground); line-height: 1.6; }
.quiz-result-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.quiz-lab button:focus-visible { outline: 4px solid var(--accent); outline-offset: 3px; }
.study-library { grid-column: 1 / -1; margin-top: 5px; padding: 22px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg); background: #fffdf5; color: var(--foreground); box-shadow: 6px 6px 0 var(--tertiary); }
.quiz-library { margin-top: 24px; }
.study-library-heading { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.study-library-heading h4 { margin: 0; font-size: 24px; }
.study-library-heading span { padding: 6px 10px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-weight: 800; }
.study-library-note { margin: 8px 0 0; color: var(--muted-foreground); }
.study-library-list { margin-top: 16px; display: grid; gap: 10px; }
.study-item { border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; overflow: hidden; }
.study-item summary { padding: 14px; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 4px 10px; align-items: center; cursor: pointer; list-style: none; }
.study-item summary::-webkit-details-marker { display: none; }
.study-item summary > span { grid-row: 1 / 3; width: 32px; height: 32px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); font-weight: 900; }
.study-item summary > strong { line-height: 1.45; }
.study-item summary > small { color: var(--accent); font-weight: 800; }
.study-item[open] summary { background: #f1ebff; border-bottom: 2px dashed var(--foreground); }
.study-item > div { padding: 15px 18px; line-height: 1.65; }
.study-item > div p { margin: 6px 0; }
.study-item > div ol { margin: 0 0 12px; padding-left: 24px; }
.study-answer { padding: 9px 12px; border-radius: var(--radius-sm); background: #c9f7df; }
.learning-source { margin-top: 16px; padding: 12px 14px; border: 2px solid var(--border); border-radius: var(--radius-md); background: #fffdf5; font-size: 14px; line-height: 1.55; }
.learning-source > p { margin: 0 0 8px !important; display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.learning-source > p strong { padding: 4px 8px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 12px; }
.learning-source > p span { color: var(--muted-foreground); font-weight: 750; }
.learning-source > div { display: grid; gap: 5px; }
.learning-source a, .learning-source > div > span { color: var(--accent); font-weight: 750; overflow-wrap: anywhere; }
.learning-source a:hover { text-decoration-thickness: 2px; }
.curriculum-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 25px; }
.curriculum-card { padding: 25px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: white; box-shadow: 7px 7px 0 var(--secondary); }
.curriculum-card:nth-child(even) { box-shadow: 7px 7px 0 var(--quaternary); }
.curriculum-topic { margin: 0 0 6px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .05em; }
.curriculum-card h3 { margin: 0; font-size: 23px; }
.curriculum-card > p:not(.curriculum-topic) { color: var(--muted-foreground); line-height: 1.65; }
.curriculum-tags { margin: 15px 0; display: flex; flex-wrap: wrap; gap: 7px; }
.curriculum-tags span { padding: 5px 9px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-full); background: var(--tertiary); font-size: 11px; font-weight: 800; }
.curriculum-skill { padding-top: 13px; border-top: 2px dashed var(--border); }
.curriculum-card details { margin: 17px 0; border-top: 2px dashed var(--border); border-bottom: 2px dashed var(--border); }
.curriculum-card summary { padding: 14px 0; color: var(--accent); font-weight: 800; cursor: pointer; }
.curriculum-card summary:focus-visible { outline: 3px solid var(--tertiary); outline-offset: 3px; }
.curriculum-details { padding: 0 0 16px; }
.curriculum-details h4 { margin: 14px 0 7px; font-size: 15px; }
.curriculum-details ul { margin: 0; padding-left: 21px; color: var(--muted-foreground); line-height: 1.65; }
.curriculum-details p { margin: 0; color: var(--muted-foreground); line-height: 1.65; }
.concept-guide, .guided-activity { border: 2px solid var(--foreground) !important; border-radius: var(--radius-md); background: #fffdf5; overflow: hidden; }
.concept-guide > summary, .guided-activity > summary { padding: 14px 16px; background: #f3ecff; color: var(--foreground); }
.guided-activity > summary { background: #e8fff3; }
.concept-guide-body, .guided-activity-body { padding: 4px 16px 18px; }
.guide-intro { color: var(--foreground) !important; font-weight: 700; line-height: 1.65; }
.student-hurdle { margin: 12px 0 14px; padding: 12px 14px; border-left: 5px solid var(--secondary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: #fff1f7; }
.student-hurdle p { margin: 4px 0 0; color: var(--muted-foreground); line-height: 1.65; }
.learning-steps, .activity-steps { margin: 16px 0; padding: 0; display: grid; gap: 12px; list-style: none; }
.learning-steps li, .activity-steps li { display: grid; grid-template-columns: 34px 1fr; gap: 11px; align-items: start; }
.learning-step-number, .activity-step-number { width: 34px; height: 34px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); font-family: "Outfit","Microsoft JhengHei",sans-serif; font-weight: 900; }
.activity-step-number { background: var(--quaternary); }
.learning-steps strong, .activity-steps strong { line-height: 1.5; }
.learning-steps p, .activity-steps p, .guide-decision p, .guide-action p, .fair-test p, .safety-note p { margin: 4px 0 0; color: var(--muted-foreground); line-height: 1.65; }
.guide-decision, .guide-action, .fair-test, .safety-note { margin-top: 14px; padding: 13px 14px; border: 2px solid var(--foreground); border-radius: var(--radius-sm); background: white; box-shadow: 3px 3px 0 var(--tertiary); }
.guide-action { box-shadow: 3px 3px 0 var(--quaternary); }
.safety-note { background: #fff4e5; box-shadow: 3px 3px 0 var(--secondary); }
.special-case { margin-top: 16px; }
.special-case ul, .reflection-list { margin: 8px 0 0; padding-left: 21px; color: var(--muted-foreground); line-height: 1.65; }
.methodology-note { margin: 16px 0 0; color: var(--muted-foreground); font-size: 12px; line-height: 1.55; }
.guided-activity-body h4 { margin: 18px 0 8px; }
.material-list { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.material-list li { padding: 6px 9px; border: 2px solid var(--border); border-radius: var(--radius-full); background: white; font-size: 13px; font-weight: 750; }
.activity-links { margin-top: 18px; display: grid; gap: 8px; }
.activity-links a { padding: 10px 12px; border: 2px solid var(--foreground); border-radius: var(--radius-full); color: var(--foreground); background: white; font-weight: 800; text-decoration: none; }
.activity-links a:hover { background: var(--tertiary); }
.learning-resources { border-top: 0 !important; }
.learning-resources > ul { margin: 0; padding: 0 0 16px; display: grid; gap: 12px; list-style: none; }
.learning-resources li { padding: 13px; border: 2px solid var(--border); border-radius: var(--radius-md); background: #fffdf5; }
.learning-resources li > a { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; color: var(--foreground); text-decoration: none; }
.learning-resources li > a > span { padding: 4px 7px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 11px; font-weight: 900; }
.learning-resources li > a > strong { font-size: 14px; }
.learning-resources li > a > small { color: var(--accent); font-weight: 800; }
.learning-resources li > a:hover > strong { text-decoration: underline; }
.learning-resources li > p { margin: 8px 0 0; color: var(--muted-foreground); font-size: 14px; line-height: 1.6; }
.resource-notice { margin: 0; color: var(--muted-foreground); font-size: 13px; line-height: 1.6; }
.curriculum-source { margin: 0 0 10px; display: block; color: var(--accent); font-size: 14px; font-weight: 800; }
.curriculum-empty { grid-column: 1 / -1; padding: 34px; border: var(--border-width) dashed var(--foreground); border-radius: var(--radius-lg); background: white; text-align: center; }
.curriculum-empty strong { font-family: "Outfit","Microsoft JhengHei",sans-serif; font-size: 21px; }
.curriculum-empty p { margin: 8px 0 0; color: var(--muted-foreground); }
.curriculum-card small, .curriculum-status { color: var(--muted-foreground); }
.curriculum-status { margin: 23px 0 0; font-size: 13px; font-weight: 800; }
.curriculum-loading { grid-column: 1 / -1; }
.curriculum-load-error {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: #fff7d6;
  color: var(--ink);
  font-weight: 750;
}
.curriculum-load-error button {
  flex: 0 0 auto;
  padding: 9px 13px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}
.curriculum-load-error button:hover,
.curriculum-load-error button:focus-visible { background: var(--mint); }
#flagship-pack-status .curriculum-load-error { margin-top: 12px; }

.not-found-body { min-height: 100vh; background: var(--paper); color: var(--ink); }
.not-found-header { padding: 18px clamp(20px, 5vw, 70px); border-bottom: 2px solid var(--ink); background: #fffdf5; }
.not-found-main { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: clamp(56px, 9vw, 110px) 0 80px; }
.not-found-main h1 { max-width: 760px; margin: 18px 0; font-size: clamp(2.5rem, 6vw, 5.5rem); line-height: .98; }
.not-found-main h1 em { display: block; color: var(--accent); font-style: normal; }
.not-found-lead { max-width: 620px; margin: 0 0 24px; font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--muted); }
.not-found-home { display: inline-flex; width: auto; text-decoration: none; }
.not-found-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 42px; }
.not-found-links a { min-height: 112px; padding: 18px; border: 2px solid var(--ink); border-radius: 18px; background: #fffdf5; color: var(--ink); text-decoration: none; box-shadow: 5px 5px 0 var(--ink); }
.not-found-links a:hover, .not-found-links a:focus-visible { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); }
.not-found-links strong, .not-found-links span { display: block; }
.not-found-links strong { margin-bottom: 8px; font-size: 1.08rem; }
.not-found-links span { color: var(--muted); line-height: 1.5; }
@media (max-width: 760px) {
  .not-found-links { grid-template-columns: 1fr; }
  .not-found-links a { min-height: 0; }
}
.source-policy { margin: 18px 0 30px; padding: 16px 18px; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; align-items: start; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: #e8fff3; box-shadow: 4px 4px 0 var(--quaternary); }
.source-policy strong { white-space: nowrap; }
.source-policy p { margin: 0; color: #334155; line-height: 1.65; }
.how-section { position: relative; padding: 88px max(24px, calc((100vw - var(--container)) / 2)); overflow: hidden; }
.how-section::after { content: ""; position: absolute; right: 4%; top: 36px; width: 95px; height: 95px; border: var(--border-width) solid var(--foreground); background: repeating-linear-gradient(135deg, var(--tertiary) 0 8px, white 8px 15px); transform: rotate(11deg); }
.how-section > div { max-width: 590px; position: relative; z-index: 1; }
.how-section ol { position: relative; margin: 44px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; list-style: none; }
.how-section ol::before { content: ""; position: absolute; left: 12%; right: 12%; top: 50%; border-top: 3px dashed var(--accent); z-index: 0; }
.how-section li { position: relative; z-index: 1; min-height: 180px; padding: 28px 24px 22px; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: white; box-shadow: 7px 7px 0 var(--border); }
.how-section li:nth-child(1) { box-shadow: 7px 7px 0 var(--secondary); transform: rotate(-1deg); }
.how-section li:nth-child(2) { box-shadow: 7px 7px 0 var(--tertiary); transform: translateY(18px); }
.how-section li:nth-child(3) { box-shadow: 7px 7px 0 var(--quaternary); transform: rotate(1deg); }
.how-section li > span { position: absolute; right: 18px; top: -21px; width: 48px; height: 48px; display: grid; place-items: center; border: var(--border-width) solid var(--foreground); border-radius: 50%; background: var(--accent); color: white; box-shadow: 3px 3px 0 var(--foreground); font-family: "Outfit",sans-serif; font-size: 13px; font-weight: 800; }
.how-section li strong { display: block; margin-top: 30px; font-family: "Outfit","Microsoft JhengHei",sans-serif; font-size: 21px; }
.how-section li p { margin: 8px 0 0; color: var(--muted-foreground); font-size: 15px; line-height: 1.65; }

.visual-story { position: relative; margin: 8px max(24px, calc((100vw - var(--container)) / 2)) 80px; display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; border: var(--border-width) solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: var(--accent); color: white; box-shadow: 10px 10px 0 var(--foreground); overflow: hidden; }
.visual-story img { width: 100%; height: 330px; display: block; object-fit: cover; object-position: 65% center; border-right: var(--border-width) solid var(--foreground); }
.visual-story > div { padding: 38px; }
.visual-story .eyebrow { color: var(--foreground); background: var(--tertiary); }
.visual-story h2 { margin: 0; font-size: clamp(28px,3.2vw,42px); line-height: 1.2; }
.visual-story > div > p:last-child { margin: 16px 0 0; color: rgba(255,255,255,.86); font-size: 16px; line-height: 1.75; }
#source { padding: 42px max(24px, calc((100vw - var(--container)) / 2)); display: grid; grid-template-columns: .8fr 2fr auto; gap: 38px; align-items: start; border-top: var(--border-width) solid var(--foreground); background: var(--foreground); color: white; font-size: 14px; line-height: 1.6; }
#source strong { font-family: "Outfit","Microsoft JhengHei",sans-serif; font-size: 14px; }
#source p { margin: 7px 0 0; color: #b6c0cf; line-height: 1.75; }
#source a, #source button { padding: 9px 13px; border: 2px solid white; border-radius: var(--radius-full); background: transparent; color: white; text-decoration: none; white-space: nowrap; font-weight: 800; cursor: pointer; }
#source a:hover, #source button:hover { border-color: var(--tertiary); background: var(--tertiary); color: var(--foreground); }
.footer-actions { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.report-dialog { width: min(620px,calc(100vw - 32px)); padding: 0; border: 2px solid var(--foreground); border-radius: var(--radius-lg); box-shadow: 10px 10px 0 var(--foreground); color: var(--foreground); }
.report-dialog::backdrop { background: rgba(30,41,59,.6); }
.report-dialog form { padding: 28px; }
.report-heading { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.report-heading h2 { margin: 5px 0 0; }
.report-close { width: 44px; height: 44px; flex: 0 0 auto; border: 2px solid var(--foreground); border-radius: 50%; background: white; font-size: 28px; cursor: pointer; }
.report-dialog > form > p { line-height: 1.65; }
.report-dialog label { margin-top: 18px; display: grid; gap: 8px; font-weight: 800; }
.report-dialog select, .report-dialog textarea { width: 100%; padding: 12px 14px; border: 2px solid #cbd5e1; border-radius: var(--radius-md); background: white; color: var(--foreground); resize: vertical; }
.report-dialog select:focus, .report-dialog textarea:focus { border-color: var(--accent); outline: 0; box-shadow: 4px 4px 0 var(--accent); }
.report-status { min-height: 24px; font-weight: 700; color: #5b21b6; }
.report-actions { display: flex; justify-content: flex-end; gap: 12px; }
.report-actions .primary-button { min-width: 220px; }
[hidden] { display: none !important; }

/* Cloudflare route views share one accessible document while each URL exposes
   only the content that belongs to that page. */
html[data-page] main > section { display: none; }
html[data-page="home"] .home-section,
html[data-page="home"] .how-section,
html[data-page="home"] .visual-story,
html[data-page="recycle"] .workspace,
html[data-page="recycle"] .results-section,
html[data-page="recycle"] .guide-section,
html[data-page="carbon"] .carbon-section,
html[data-page="learning"] .curriculum-section,
html[data-page="resources"] .curriculum-section,
html[data-page="activities"] .curriculum-section,
html[data-page="family"] .curriculum-section,
html[data-page="teachers"] .curriculum-section,
html[data-page="privacy"] .info-privacy,
html[data-page="terms"] .info-terms,
html[data-page="methodology"] .info-methodology,
html[data-page="about"] .info-about { display: block; }

html[data-page="recycle"] nav a:nth-child(2),
html[data-page="carbon"] nav a:nth-child(3),
html[data-page="learning"] nav a:nth-child(4),
html[data-page="resources"] nav a:nth-child(5),
html[data-page="family"] nav a:nth-child(6),
html[data-page="activities"] nav a:nth-child(7),
html[data-page="teachers"] nav a:nth-child(8),
html[data-page="home"] nav a:nth-child(1) { color: var(--accent); }
html[data-page="recycle"] nav a:nth-child(2)::after,
html[data-page="carbon"] nav a:nth-child(3)::after,
html[data-page="learning"] nav a:nth-child(4)::after,
html[data-page="resources"] nav a:nth-child(5)::after,
html[data-page="family"] nav a:nth-child(6)::after,
html[data-page="activities"] nav a:nth-child(7)::after,
html[data-page="teachers"] nav a:nth-child(8)::after,
html[data-page="home"] nav a:nth-child(1)::after { right: 0; }

.info-page { max-width: var(--container); margin: 0 auto; padding: 80px 24px 96px; }
.info-page > h1 { max-width: 860px; margin: 18px 0; font-size: clamp(42px,6vw,72px); line-height: 1.05; }
.info-lead { max-width: 820px; margin: 0 0 38px; color: var(--muted-foreground); font-size: 19px; line-height: 1.75; }
.info-page article { max-width: 900px; margin: 18px 0; padding: 24px 26px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: white; box-shadow: 5px 5px 0 var(--border); }
.info-page article:nth-of-type(2) { box-shadow: 5px 5px 0 var(--quaternary); }
.info-page article:nth-of-type(3) { box-shadow: 5px 5px 0 var(--tertiary); }
.info-page article h2 { margin: 0 0 10px; font-size: 25px; }
.info-page article p { margin: 0; line-height: 1.75; }
.info-page article a { color: #5b21b6; font-weight: 800; }
html[data-page="learning"] .teacher-resource-library,
html[data-page="learning"] .curated-resource-hub,
html[data-page="learning"] .teacher-lesson-planner,
html[data-page="learning"] .teacher-zone-hero,
html[data-page="learning"] .resource-center-hero,
html[data-page="learning"] .resource-path-grid,
html[data-page="learning"] .flagship-topic-browser,
html[data-page="learning"] .flagship-unit,
html[data-page="learning"] .flagship-series,
html[data-page="learning"] .flagship-practice,
html[data-page="learning"] .activity-planner,
html[data-page="learning"] .worksheet-builder { display: none; }
html[data-page="resources"] .student-learning-only,
html[data-page="resources"] .activity-planner,
html[data-page="resources"] .worksheet-builder,
html[data-page="resources"] .curriculum-grid,
html[data-page="resources"] .curriculum-status,
html[data-page="resources"] .teacher-resource-only,
html[data-page="resources"] .practice-resource-only,
html[data-page="resources"] .family-resource-only,
html[data-page="activities"] .student-learning-only,
html[data-page="activities"] .activity-planner,
html[data-page="activities"] .worksheet-builder,
html[data-page="activities"] .curriculum-grid,
html[data-page="activities"] .curriculum-status,
html[data-page="activities"] .teacher-resource-only,
html[data-page="activities"] .resource-hub-only,
html[data-page="activities"] .family-resource-only,
html[data-page="family"] .student-learning-only,
html[data-page="family"] .activity-planner,
html[data-page="family"] .worksheet-builder,
html[data-page="family"] .curriculum-grid,
html[data-page="family"] .curriculum-status,
html[data-page="family"] .teacher-resource-only,
html[data-page="family"] .resource-hub-only,
html[data-page="family"] .practice-resource-only,
html[data-page="teachers"] .student-learning-only,
html[data-page="teachers"] .activity-planner,
html[data-page="teachers"] .worksheet-builder,
html[data-page="teachers"] .curriculum-grid,
html[data-page="teachers"] .curriculum-status,
html[data-page="teachers"] .public-resource-only { display: none; }
html[data-page="resources"] .resource-audience-tabs,
html[data-page="activities"] .resource-audience-tabs,
html[data-page="family"] .resource-audience-tabs,
html[data-page="teachers"] .resource-audience-tabs { display: none; }

.home-section {
  min-height: calc(100vh - 74px);
  padding: 72px max(24px, calc((100vw - var(--container)) / 2)) 86px;
  background-color: var(--background);
  background-image: radial-gradient(rgba(139,92,246,.17) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}
.home-intro { max-width: 820px; }
.home-intro > p:last-child { max-width: 690px; margin: 24px 0 0; font-size: 19px; line-height: 1.75; }
.home-grid { margin-top: 46px; display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 24px; }
.home-card {
  position: relative;
  min-height: 330px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  border: var(--border-width) solid var(--foreground);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
  color: var(--foreground);
  text-decoration: none;
  box-shadow: 8px 8px 0 var(--foreground);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease;
  grid-column: span 3;
}
.home-card:hover { transform: translate(-3px,-3px) rotate(-.5deg); box-shadow: 11px 11px 0 var(--foreground); }
.home-card > span { width: 58px; height: 58px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: white; font-weight: 900; font-size: 22px; }
.home-card small { margin-top: 28px; font-weight: 800; letter-spacing: .08em; }
.home-card h2 { margin: 8px 0 12px; font-size: clamp(27px,3vw,38px); line-height: 1.1; }
.home-card p { margin: 0; line-height: 1.7; }
.home-card strong { margin-top: auto; padding-top: 22px; }
.home-card-recycle { background: #eadcff; }
.home-card-carbon { background: #fff0b7; }
.home-card-learning { background: #c9f7df; }
.home-card-resources { background: #fff0b8; }
.home-card:nth-child(n+5) { min-height: 285px; grid-column: span 2; }
.home-card-family { background: #fce7f3; }
.home-card-activities { background: #dbeafe; }
.home-card-teachers { background: #ede9fe; }

@keyframes pop-in { from { opacity: 0; transform: scale(.94) translateY(14px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.action-mission { margin: 34px 0; padding: 28px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: #fff8cf; box-shadow: 7px 7px 0 var(--tertiary); }
.action-mission-heading { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.action-mission-heading h3 { margin: 5px 0 8px; font-size: clamp(26px,3vw,36px); }
.action-mission-heading p:last-child { max-width: 720px; margin: 0; line-height: 1.65; }
.action-mission-total { min-width: 128px; padding: 14px; display: grid; text-align: center; border: 2px solid var(--foreground); border-radius: 50%; background: white; }
.action-mission-total strong { font-family: var(--heading); font-size: 32px; }
.action-mission-total span { font-size: 12px; font-weight: 800; }
.action-mission-card { margin-top: 24px; padding: 26px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: white; box-shadow: 5px 5px 0 var(--quaternary); }
.action-mission-card > div:first-child { display: flex; flex-wrap: wrap; gap: 8px; }
.action-mission-card > div:first-child span { padding: 5px 11px; border: 2px solid var(--foreground); border-radius: 999px; background: #dff8ec; font-size: 13px; font-weight: 800; }
.action-mission-card > div:first-child span:last-child { background: #eadcff; }
.action-mission-card h4 { margin: 18px 0 10px; font-size: clamp(22px,2.6vw,30px); }
.action-mission-card > p { margin: 8px 0; line-height: 1.7; }
.action-mission-reflect { padding: 13px 16px; border-left: 5px solid var(--secondary); background: #fff0f7; font-weight: 700; }
.action-mission-actions { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 12px; }
.action-mission-actions .is-complete { background: var(--quaternary); color: var(--foreground); }
.activity-planner { margin: 38px 0; padding: 28px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: #eadcff; box-shadow: 7px 7px 0 var(--secondary); }
.activity-planner-heading { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; }
.activity-planner-heading h3 { margin: 5px 0 8px; font-size: clamp(26px,3vw,36px); }
.activity-planner-heading p:last-child { margin: 0; line-height: 1.65; }
.activity-duration { display: flex; gap: 8px; flex-wrap: wrap; }
.activity-duration button { min-height: 46px; padding: 10px 16px; border: 2px solid var(--foreground); border-radius: 999px; background: white; color: var(--foreground); font-weight: 800; cursor: pointer; }
.activity-duration button.is-active { background: var(--tertiary); box-shadow: 3px 3px 0 var(--foreground); }
.activity-plan { margin-top: 24px; padding: 26px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: white; }
.activity-plan-title { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 18px; }
.activity-plan-title > span { width: 82px; height: 82px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--quaternary); font-weight: 900; }
.activity-plan-title p { margin: 0; color: #5b21b6; font-size: 14px; font-weight: 800; }
.activity-plan-title h4 { margin: 4px 0 0; font-size: clamp(21px,2.5vw,29px); }
.activity-plan ol { margin: 24px 0; padding: 0; display: grid; gap: 10px; counter-reset: activity-step; list-style: none; }
.activity-plan li { position: relative; padding: 14px 16px 14px 52px; border: 2px solid var(--border); border-radius: var(--radius-md); background: #fffdf5; line-height: 1.6; }
.activity-plan li::before { counter-increment: activity-step; content: counter(activity-step); position: absolute; left: 13px; top: 13px; width: 26px; height: 26px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); font-weight: 900; }
.activity-plan aside { margin-bottom: 18px; padding: 16px 18px; border-left: 6px solid var(--accent); background: #f5f0ff; }
.activity-plan aside p { margin: 5px 0 0; line-height: 1.65; }
.worksheet-builder { margin: 38px 0; padding: 28px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) 0 var(--radius-lg) var(--radius-lg); background: #dff8ec; box-shadow: 7px 7px 0 var(--quaternary); }
.worksheet-builder-heading { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end; }
.worksheet-builder-heading h3 { margin: 5px 0 8px; font-size: clamp(26px,3vw,36px); }
.worksheet-builder-heading p:last-child { margin: 0; line-height: 1.65; }
.worksheet-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.worksheet-sheet { margin-top: 24px; padding: 30px; border: 2px solid var(--foreground); background: white; box-shadow: 5px 5px 0 var(--foreground); }
.worksheet-sheet header { padding-bottom: 18px; border-bottom: 3px solid var(--foreground); }
.worksheet-sheet header > p { margin: 0; color: #5b21b6; font-weight: 900; }
.worksheet-sheet h4 { margin: 6px 0 12px; font-size: clamp(24px,3vw,34px); }
.worksheet-sheet header > div { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-weight: 700; }
.worksheet-sheet > ol, .worksheet-answers ol { display: grid; gap: 22px; margin: 24px 0; padding-left: 24px; }
.worksheet-sheet li { padding-left: 8px; white-space: pre-line; line-height: 1.7; }
.worksheet-writing-space { min-height: calc(var(--answer-lines, 3) * 38px); margin-top: 10px; background: repeating-linear-gradient(white 0, white 37px, #94a3b8 38px); }
.worksheet-structured > p { margin: 9px 0 12px; font-size: 17px; font-weight: 700; }
.worksheet-format-label { display: inline-flex; padding: 3px 10px; border: 2px solid var(--foreground); border-radius: 999px; background: var(--tertiary); font-size: 13px; font-weight: 900; }
.worksheet-scope-hint { margin: -2px 0 12px !important; padding: 9px 11px; border-left: 4px solid var(--accent); background: #f5f0ff; color: #475569; font-size: 14px !important; font-weight: 500 !important; }
.worksheet-scope-hint strong { color: var(--foreground); }
.worksheet-response { min-height: 78px; }
.worksheet-response:not(.worksheet-writing-space) { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.worksheet-response.response-three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.worksheet-response.response-four { grid-template-columns: repeat(2,minmax(0,1fr)); }
.worksheet-response.response-six { grid-template-columns: repeat(3,minmax(0,1fr)); }
.worksheet-response-sequence { grid-template-columns: repeat(3,minmax(0,1fr)) !important; }
.worksheet-response span { min-height: calc(var(--answer-lines, 3) * 38px); padding: 10px; border: 2px dashed #94a3b8; border-radius: 12px; color: var(--muted-foreground); background: repeating-linear-gradient(white 0, white 37px, #d6dee8 38px); font-size: 13px; font-weight: 800; }
.worksheet-activity > strong { display: inline-block; padding: 4px 12px; border: 2px solid var(--foreground); border-radius: 999px; background: var(--tertiary); }
.worksheet-activity > p { margin: 10px 0 14px; font-size: 18px; font-weight: 750; }
.worksheet-reading { margin-top: 22px; padding: 20px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: #fffdf5; box-shadow: 6px 6px 0 #c7f9e8; }
.worksheet-reading h4 { margin: 10px 0 4px; font-family: var(--font-heading); font-size: clamp(21px,2.4vw,28px); }
.worksheet-reading-source,.worksheet-reading-link { color: var(--muted-foreground); font-size: 13px; }
.worksheet-reading blockquote { margin: 14px 0; padding: 12px 14px; border-left: 5px solid var(--quaternary); background: #ecfdf5; font-weight: 650; }
.worksheet-reading-facts { margin: 14px 0; padding: 14px 14px 14px 34px; border-radius: var(--radius-md); background: var(--muted); }
.worksheet-reading-questions { display: grid; gap: 16px; margin-top: 18px; padding-left: 28px; }
.worksheet-reading-questions > li { padding-left: 6px; }
.worksheet-reading-questions b { display: inline-block; padding: 2px 9px; border: 1.5px solid var(--foreground); border-radius: 999px; background: var(--tertiary); font-size: 13px; }
.worksheet-reading-questions p { margin: 7px 0; font-weight: 700; }
.worksheet-reading-lines { margin-bottom: 6px; }
.worksheet-reading-link a { font-weight: 750; }
.worksheet-reading .reading-response-boxes { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.worksheet-reading .reading-response-three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.worksheet-reading .reading-response-four { grid-template-columns: repeat(2,minmax(0,1fr)); }
.worksheet-reading .reading-response-boxes span { min-height: 82px; padding: 9px; border: 2px dashed #94a3b8; border-radius: 10px; color: var(--muted-foreground); }
.reading-choice { display: flex; flex-wrap: wrap; gap: 10px; }
.reading-choice span { min-width: 150px; padding: 9px 12px; border: 2px solid #94a3b8; border-radius: 12px; background: white; font-weight: 750; }
.reading-reason-label { margin-bottom: -4px !important; font-size: 14px; }
.reading-word-bank { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 4px; padding: 10px; border: 2px dashed var(--accent); border-radius: 12px; background: #f5f0ff; }
.reading-word-bank strong { border: 0; background: transparent; }
.reading-word-bank span { padding: 3px 9px; border: 1.5px solid var(--foreground); border-radius: 999px; background: white; font-weight: 750; }
.reading-sequence { display: grid; gap: 8px; }
.reading-sequence span { padding: 10px 12px; border: 2px solid #94a3b8; border-radius: 12px; background: white; font-weight: 750; }
.reading-sequence i { display: inline-block; width: 38px; margin-right: 9px; border-bottom: 2px solid var(--foreground); font-style: normal; }
.reading-match { display: grid; grid-template-columns: minmax(0,1fr) minmax(70px,.4fr) minmax(0,1fr); gap: 9px; align-items: center; }
.reading-match span { min-height: 46px; padding: 8px 10px; display: flex; align-items: center; border: 2px solid #94a3b8; border-radius: 10px; background: white; font-weight: 750; }
.reading-match i { position: relative; height: 20px; }
.reading-match i::before,.reading-match i::after { content: ""; position: absolute; top: 50%; width: 8px; height: 8px; border: 2px solid var(--foreground); border-radius: 50%; background: white; transform: translateY(-50%); }
.reading-match i::before { left: 0; }
.reading-match i::after { right: 0; }
.reading-response-boxes { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
.reading-response-boxes.reading-response-three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.reading-response-boxes span { min-height: 82px; padding: 9px; border: 2px dashed #94a3b8; border-radius: 10px; background: repeating-linear-gradient(white 0,white 37px,#d6dee8 38px); color: var(--muted-foreground); font-size: 13px; font-weight: 750; }
.reading-calculation { padding: 10px 0; letter-spacing: .02em; }
.worksheet-visual-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.worksheet-picture-choice { display: grid; min-height: 120px; place-items: center; padding: 12px; border: 3px solid var(--foreground); border-radius: 18px; text-align: center; }
.worksheet-picture-choice b { font-size: 52px; line-height: 1; }
.worksheet-picture-choice span { font-weight: 800; }
.worksheet-match-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(70px,.45fr) minmax(0,1fr); gap: 12px; align-items: stretch; }
.worksheet-match-grid span { min-height: 62px; padding: 9px 12px; display: flex; align-items: center; border: 2px solid #64748b; border-radius: 12px; background: #fffdf5; font-weight: 800; }
.worksheet-match-grid i { position: relative; height: 24px; }
.worksheet-match-grid i::before, .worksheet-match-grid i::after { content: ""; position: absolute; top: 50%; width: 8px; height: 8px; border: 2px solid var(--foreground); border-radius: 50%; background: white; transform: translateY(-50%); }
.worksheet-match-grid i::before { left: 0; }
.worksheet-match-grid i::after { right: 0; }
.worksheet-word-bank { display: inline-block; padding: 10px 16px; border: 2px dashed var(--accent); border-radius: 12px; background: #f5f0ff; font-weight: 800; }
.worksheet-early-writing { min-height: 90px; margin-top: 14px; }
.worksheet-record-grid { display: grid; grid-template-columns: repeat(var(--record-columns,3),minmax(0,1fr)); border: 2px solid #64748b; border-right: 0; border-bottom: 0; }
.worksheet-record-grid > * { min-height: 52px; padding: 8px; border-right: 2px solid #64748b; border-bottom: 2px solid #64748b; }
.worksheet-record-grid > strong { display: grid; place-items: center; background: var(--muted); text-align: center; }
.worksheet-drawing-box { min-height: 170px; border: 3px dashed #94a3b8; border-radius: 14px; background-image: linear-gradient(90deg,transparent 49.7%,#e2e8f0 50%,transparent 50.3%); }
.worksheet-check-options { display: flex; flex-wrap: wrap; gap: 20px; font-size: 18px; font-weight: 800; }
.worksheet-answers { margin-top: 26px; padding: 22px; border: 2px dashed var(--accent); background: #f5f0ff; }
.worksheet-answers h5 { margin: 0; font-size: 20px; }
.worksheet-answer-note { margin: 8px 0 16px; padding: 10px 12px; border-left: 5px solid var(--accent); background: white; line-height: 1.6; }
.worksheet-answers li strong { display: inline-flex; padding: 2px 9px; border: 1.5px solid var(--foreground); border-radius: 999px; background: var(--tertiary); font-size: 13px; }
.worksheet-answers li p { margin: 7px 0 0; }
.resource-center-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
  padding: 38px;
  display: grid;
  grid-template-columns: minmax(0,1.35fr) minmax(250px,.65fr);
  gap: 34px;
  align-items: end;
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
  background-color: #f4edff;
  background-image: radial-gradient(rgba(139,92,246,.22) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  box-shadow: 8px 8px 0 var(--accent);
}
.resource-center-hero::after { content: ""; position: absolute; width: 150px; height: 150px; right: -42px; top: -58px; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); z-index: 0; }
.resource-center-hero > * { position: relative; z-index: 1; }
.resource-center-hero :is(h1,h2) { max-width: 760px; margin: 10px 0 14px; font-size: clamp(32px,4.2vw,50px); line-height: 1.1; }
.resource-center-hero > div:first-child > p:last-child { max-width: 720px; margin: 0; font-size: 18px; line-height: 1.75; }
.resource-center-note { padding: 20px; display: grid; gap: 8px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) 0 var(--radius-lg) var(--radius-lg); background: white; box-shadow: 5px 5px 0 var(--secondary); }
.resource-center-note strong { font-family: var(--heading); font-size: 21px; }
.resource-center-note span { color: var(--muted-foreground); line-height: 1.65; }
.flagship-topic-browser { margin: 0 0 34px; padding: 26px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: #f3ecff; box-shadow: 7px 7px 0 var(--tertiary); }
.flagship-topic-browser :is(h1,h2) { margin: 8px 0 7px; max-width: none; font-size: clamp(28px,3.5vw,42px); }
.flagship-topic-browser > div:first-child > p:last-child { max-width: 800px; margin: 0; color: var(--muted-foreground); line-height: 1.65; }
.flagship-level-filter { margin: 20px 0 12px; display: flex; flex-wrap: wrap; gap: 9px; }
.flagship-level-filter button { min-height: 44px; padding: 8px 18px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); font: inherit; font-weight: 900; cursor: pointer; }
.flagship-level-filter button.is-active { background: var(--quaternary); box-shadow: 3px 3px 0 var(--foreground); }
.flagship-browser-status { margin: 0 0 12px; color: var(--accent); font-weight: 850; }
.flagship-topic-directory { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 10px; }
.flagship-topic-directory a { min-width: 0; padding: 12px; display: grid; grid-template-columns: auto 1fr; gap: 4px 9px; align-items: center; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; color: var(--foreground); text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.flagship-topic-directory a:hover { transform: translate(-1px,-1px); box-shadow: 4px 4px 0 var(--foreground); }
.flagship-topic-directory a span { grid-row: 1 / span 3; width: 31px; height: 31px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); font-size: 11px; font-weight: 900; }
.flagship-topic-directory a strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flagship-topic-directory a small { color: var(--muted-foreground); }
.flagship-topic-directory a em { grid-column: 2; color: #5b21b6; font-size: 11px; font-style: normal; font-weight: 800; line-height: 1.35; }
.flagship-browser-empty { margin: 14px 0 0; padding: 13px; border: 2px dashed var(--foreground); border-radius: var(--radius-md); background: white; }
.resource-review-note { display: block; margin-top: 0.3rem; padding-top: 0.7rem; border-top: 2px dashed rgba(30, 41, 59, 0.18); color: var(--muted-foreground); font-size: 0.82rem; line-height: 1.55; }
.teacher-zone-hero { position: relative; margin-bottom: 32px; padding: 38px; display: grid; grid-template-columns: minmax(0,1.25fr) minmax(250px,.75fr); gap: 34px; align-items: center; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background-color: #ecfdf5; background-image: radial-gradient(rgba(52,211,153,.24) 1.5px, transparent 1.5px); background-size: 22px 22px; box-shadow: 8px 8px 0 var(--quaternary); }
.teacher-zone-hero :is(h1,h2) { max-width: 780px; margin: 10px 0 14px; font-size: clamp(32px,4.2vw,50px); line-height: 1.1; }
.teacher-zone-hero > div:first-child > p:last-child { margin: 0; font-size: 18px; line-height: 1.75; }
.teacher-zone-actions { display: grid; gap: 11px; }
.teacher-zone-actions a { min-height: 48px; padding: 9px 10px 9px 16px; display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); font-weight: 850; text-decoration: none; }
.teacher-zone-actions a::after { content: "↓"; width: 29px; height: 29px; display: grid; place-items: center; flex: 0 0 auto; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); }
.teacher-zone-actions a:hover, .teacher-zone-actions a:focus-visible { background: #fff8d9; box-shadow: 3px 3px 0 var(--foreground); outline: none; }
.resource-path-grid { margin: 34px 0 46px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.resource-path-card { min-height: 235px; padding: 22px; display: flex; flex-direction: column; align-items: flex-start; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: white; color: var(--foreground); box-shadow: 5px 5px 0 var(--foreground); text-align: left; text-decoration: none; font: inherit; cursor: pointer; transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease; }
.resource-path-card:nth-child(1) { background: #eadcff; }
.resource-path-card:nth-child(2) { background: #dff8ec; }
.resource-path-card:nth-child(3) { background: #fff0f7; }
.resource-path-card:nth-child(4) { background: #fff4bd; }
.resource-path-card:hover { transform: translate(-2px,-2px) rotate(-.4deg); box-shadow: 8px 8px 0 var(--foreground); }
.resource-path-card > span { width: 42px; height: 42px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: white; font-weight: 900; }
.resource-path-card strong { margin: 18px 0 9px; font-family: var(--heading); font-size: 23px; }
.resource-path-card small { color: #475569; font-size: 14px; line-height: 1.6; }
.resource-path-card b { margin-top: auto; padding-top: 18px; font-size: 14px; }
.flagship-unit { margin: 0 0 46px; padding: 32px; border: 2px solid var(--foreground); border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg); background: #fffdf5; box-shadow: 8px 8px 0 var(--quaternary); }
.flagship-unit-heading { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end; }
.flagship-unit-heading h2 { margin: 8px 0 0; font-size: clamp(31px,4vw,48px); }
.flagship-unit-heading > p { margin: 0; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.flagship-unit-heading > p span { padding: 6px 11px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--tertiary); font-size: 13px; font-weight: 850; }
.flagship-lead { max-width: 900px; margin: 20px 0 26px; font-size: 18px; line-height: 1.75; }
.sorting-decision-framework { margin: 0 0 20px; padding: 22px; display: grid; grid-template-columns: minmax(220px,.7fr) minmax(0,1.3fr); gap: 24px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: white; box-shadow: 5px 5px 0 #c4b5fd; }
.sorting-decision-framework > div > span { display: inline-block; padding: 5px 10px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 12px; font-weight: 900; }
.sorting-decision-framework h3 { margin: 10px 0 7px; font-size: 25px; }
.sorting-decision-framework > div > p { margin: 0; color: var(--muted-foreground); line-height: 1.65; }
.sorting-decision-framework ol { margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; list-style: none; }
.sorting-decision-framework li { padding: 12px; display: grid; grid-template-columns: 32px 1fr; gap: 3px 9px; align-items: center; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: #fffdf5; }
.sorting-decision-framework li b { width: 30px; height: 30px; display: grid; place-items: center; grid-row: 1 / 3; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); }
.sorting-decision-framework li strong { line-height: 1.4; }
.sorting-decision-framework li small { color: var(--muted-foreground); line-height: 1.45; }
.sorting-special-cases { margin: 0 0 24px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 11px; }
.sorting-special-cases > div { padding: 14px; display: grid; grid-template-columns: auto 1fr; gap: 9px; border: 2px dashed #94a3b8; border-radius: var(--radius-md); background: #f8fafc; }
.sorting-special-cases span { font-size: 25px; }
.sorting-special-cases p { margin: 0; font-size: 13px; line-height: 1.55; }
.flagship-learning-path { margin: 0 0 28px; padding: 0; display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 8px; list-style: none; }
.flagship-learning-path li { min-height: 150px; padding: 13px 11px; display: flex; flex-direction: column; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; }
.flagship-learning-path li:nth-child(4n+2) { background: #f4edff; }
.flagship-learning-path li:nth-child(4n+3) { background: #fff0f7; }
.flagship-learning-path li:nth-child(4n+4) { background: #fff4bd; }
.flagship-learning-path span { width: 30px; height: 30px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--quaternary); font-weight: 900; }
.flagship-learning-path strong { margin: 13px 0 6px; font-size: 15px; }
.flagship-learning-path small { color: #475569; line-height: 1.5; }
.flagship-audience-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.flagship-audience-grid article { padding: 22px; display: flex; flex-direction: column; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: white; }
.flagship-audience-grid article:nth-child(1) { box-shadow: 5px 5px 0 var(--accent); }
.flagship-audience-grid article:nth-child(2) { box-shadow: 5px 5px 0 var(--quaternary); }
.flagship-audience-grid article:nth-child(3) { box-shadow: 5px 5px 0 var(--secondary); }
.flagship-audience-grid article > span { color: var(--accent); font-size: 13px; font-weight: 900; }
.flagship-audience-grid h3 { margin: 9px 0 8px; font-size: 22px; }
.flagship-audience-grid ul { margin: 6px 0 18px; padding-left: 20px; line-height: 1.65; }
.flagship-audience-grid a, .flagship-audience-grid button { margin-top: auto; align-self: flex-start; padding: 0; border: 0; background: none; color: var(--foreground); font: inherit; font-weight: 900; text-decoration: underline; text-decoration-thickness: 2px; cursor: pointer; }
.school-ready-grid { margin-top: 26px; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.school-ready-grid section { padding: 16px; border: 2px dashed #94a3b8; border-radius: var(--radius-md); background: white; }
.school-ready-grid strong { font-family: var(--heading); }
.school-ready-grid p { margin: 7px 0 0; color: #475569; font-size: 14px; line-height: 1.6; }
.flagship-sources { margin: 24px 0 0; padding-top: 18px; border-top: 2px dashed var(--border); color: var(--muted-foreground); font-size: 14px; line-height: 1.7; }
.flagship-sources a { color: var(--foreground); font-weight: 750; }
.flagship-series { margin: 0 0 46px; }
.flagship-series > .section-heading { margin-bottom: 22px; }
.flagship-topic-card { margin: 0 0 22px; padding: 28px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: white; box-shadow: 7px 7px 0 var(--border); }
.flagship-topic-card > header { display: flex; justify-content: space-between; gap: 20px; align-items: end; }
.flagship-topic-card > header span { color: var(--accent); font-size: 12px; font-weight: 900; letter-spacing: .05em; }
.flagship-topic-card > header h3 { margin: 6px 0 0; font-size: clamp(27px,3vw,39px); }
.flagship-topic-card > header p { margin: 0; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.flagship-topic-card > header b { padding: 5px 9px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--tertiary); font-size: 12px; }
.flagship-topic-lead { max-width: 920px; margin: 18px 0; font-size: 17px; line-height: 1.75; }
.flagship-prep { margin: 0 0 18px; padding: 14px 16px; display: grid; grid-template-columns: minmax(120px,.28fr) minmax(0,1.72fr); gap: 14px; align-items: start; border: 2px dashed #94a3b8; border-radius: var(--radius-md); background: #f8fafc; }
.flagship-prep > strong { display: inline-flex; width: fit-content; padding: 5px 10px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 13px; font-weight: 900; }
.flagship-prep ul { margin: 0; padding-left: 20px; display: grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap: 8px 22px; }
.flagship-prep li { min-width: 0; color: #475569; font-size: 14px; line-height: 1.65; overflow-wrap: break-word; line-break: strict; text-wrap: pretty; }
.flagship-output { margin: -8px 0 18px; padding: 13px 16px; display: grid; grid-template-columns: auto minmax(0,1fr); gap: 13px; align-items: start; border-left: 6px solid var(--accent); border-radius: 0 var(--radius-md) var(--radius-md) 0; background: #f3ecff; }
.flagship-output > strong { padding-top: 1px; color: #6d28d9; font-size: 14px; font-weight: 900; white-space: nowrap; }
.flagship-output p { margin: 0; color: #334155; font-size: 14px; line-height: 1.6; }
.flagship-checklist { margin: 0 0 18px; padding: 13px 15px 15px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 9px; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: #fffdf5; }
.flagship-checklist legend { padding: 0 8px; font-size: 13px; font-weight: 900; }
.flagship-checklist label { min-width: 0; padding: 10px 11px; display: flex; align-items: flex-start; gap: 9px; border: 2px solid var(--border); border-radius: 12px; background: white; color: #334155; font-size: 13px; line-height: 1.5; cursor: pointer; }
.flagship-checklist label:has(input:checked) { border-color: #059669; background: #ecfdf5; color: var(--foreground); }
.flagship-checklist input { width: 20px; height: 20px; margin: 0; flex: 0 0 auto; accent-color: #059669; }
.flagship-checklist input:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.flagship-template-preview { margin: 0 0 18px; border: 2px solid var(--foreground); border-radius: var(--radius-md); overflow: hidden; background: white; }
.flagship-template-preview > summary { padding: 12px 15px; background: #dcfce7; font-weight: 900; cursor: pointer; }
.flagship-template-sheet { padding: 18px; }
.flagship-template-sheet h4 { margin: 0 0 8px; font-size: 22px; }
.flagship-template-identity { margin: 0 0 14px; color: #475569; font-size: 14px; }
.flagship-template-sheet table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.flagship-template-sheet th, .flagship-template-sheet td { height: 42px; padding: 7px; border: 2px solid #94a3b8; text-align: left; vertical-align: top; }
.flagship-template-sheet th { height: auto; background: #f1f5f9; font-size: 12px; }
.flagship-template-prompts { margin-top: 14px; display: grid; gap: 12px; }
.flagship-template-prompts section { min-height: 66px; }
.flagship-template-prompts strong { display: block; margin-bottom: 7px; font-size: 13px; }
.flagship-template-prompts span { display: block; height: 76px; background: repeating-linear-gradient(to bottom, transparent 0, transparent 36px, #94a3b8 37px, #94a3b8 38px); }
.flagship-template-early { margin: 0; padding-left: 26px; display: grid; gap: 16px; }
.flagship-template-early li { padding-left: 4px; }
.flagship-template-early strong { display: block; font-size: 16px; line-height: 1.55; }
.flagship-template-early small { margin: 6px 0 8px; display: block; color: #475569; font-size: 14px; }
.flagship-template-early li > span { display: block; height: 42px; background: repeating-linear-gradient(to bottom, transparent 0, transparent 36px, #94a3b8 37px, #94a3b8 38px); }
.flagship-template-early .is-thinking-question { padding: 12px 12px 8px; border-left: 5px solid var(--secondary); background: #fff1f7; }
.flagship-template-early .is-thinking-question > span { height: 76px; }
.flagship-template-print { min-height: 46px; margin-top: 15px; padding: 9px 18px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--accent); color: white; box-shadow: 3px 3px 0 var(--foreground); font: inherit; font-weight: 900; cursor: pointer; }
.flagship-template-print:hover { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--foreground); }
.flagship-rubric { margin: 0 0 18px; border: 2px solid var(--foreground); border-radius: var(--radius-md); overflow: hidden; background: white; }
.flagship-rubric > summary { padding: 12px 15px; background: #fef3c7; font-weight: 900; cursor: pointer; }
.flagship-rubric-body { padding: 17px; }
.flagship-rubric-body > p { margin: 0 0 13px; line-height: 1.6; }
.flagship-rubric-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.flagship-rubric-grid section { padding: 13px; border: 2px solid var(--foreground); border-radius: 12px; background: #fffdf5; }
.flagship-rubric-grid section:nth-child(1) { border-color: #94a3b8; }
.flagship-rubric-grid section:nth-child(2) { border-color: #8b5cf6; background: #f5f3ff; }
.flagship-rubric-grid section:nth-child(3) { border-color: #059669; background: #ecfdf5; }
.flagship-rubric-grid h5 { margin: 0 0 7px; font-size: 15px; }
.flagship-rubric-grid p { margin: 0; color: #334155; font-size: 13px; line-height: 1.55; }
.flagship-rubric-body > small { margin-top: 12px; display: block; color: #64748b; line-height: 1.55; }
.flagship-differentiation { margin: 0 0 18px; border: 2px solid var(--foreground); border-radius: var(--radius-md); overflow: hidden; background: white; }
.flagship-differentiation > summary { padding: 12px 15px; background: #dbeafe; font-weight: 900; cursor: pointer; }
.flagship-differentiation-grid { padding: 17px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.flagship-differentiation-grid section { padding: 13px; border: 2px dashed #64748b; border-radius: 12px; background: #f8fafc; }
.flagship-differentiation-grid section:nth-child(2) { border-style: solid; border-color: #8b5cf6; background: #f5f3ff; }
.flagship-differentiation-grid section:nth-child(3) { border-style: solid; border-color: #0f766e; background: #f0fdfa; }
.flagship-differentiation-grid h5 { margin: 0 0 7px; font-size: 15px; }
.flagship-differentiation-grid p { margin: 0; color: #334155; font-size: 13px; line-height: 1.58; }
.flagship-exit-ticket { margin: 0 0 18px; border: 2px solid var(--foreground); border-radius: var(--radius-md); overflow: hidden; background: white; }
.flagship-exit-ticket > summary { padding: 12px 15px; background: #fce7f3; font-weight: 900; cursor: pointer; }
.flagship-exit-sheet { padding: 18px; }
.flagship-exit-sheet h4 { margin: 0 0 8px; font-size: 21px; }
.flagship-exit-identity { margin: 0 0 14px; color: #475569; font-size: 14px; }
.flagship-exit-sheet ol { margin: 0; padding-left: 24px; }
.flagship-exit-sheet li { margin: 0 0 15px; }
.flagship-exit-sheet li p { margin: 0 0 6px; font-weight: 750; line-height: 1.55; }
.flagship-exit-sheet li > span { display: block; height: 76px; background: repeating-linear-gradient(to bottom, transparent 0, transparent 36px, #94a3b8 37px, #94a3b8 38px); }
.flagship-exit-confidence { margin: 12px 0; padding: 10px 12px; border: 2px dashed #94a3b8; border-radius: 10px; background: #f8fafc; font-size: 14px; }
.flagship-exit-print { min-height: 46px; padding: 9px 18px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--secondary); color: var(--foreground); box-shadow: 3px 3px 0 var(--foreground); font: inherit; font-weight: 900; cursor: pointer; }
.flagship-exit-print:hover { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--foreground); }
.flagship-topic-body { margin: 18px 0 0; border: 2px solid var(--foreground); border-radius: var(--radius-lg); overflow: hidden; background: white; }
.flagship-topic-body > summary { min-height: 54px; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: #f3ecff; cursor: pointer; }
.flagship-topic-body > summary span { font-weight: 900; }
.flagship-topic-body > summary small { color: #475569; font-size: 12px; }
.flagship-topic-body[open] > summary { border-bottom: 2px solid var(--foreground); background: #ede9fe; }
.flagship-topic-body-content { padding: 18px; }
.flagship-topic-body-content > :first-child { margin-top: 0; }
@media (max-width: 720px) {
  .flagship-rubric-grid, .flagship-differentiation-grid { grid-template-columns: 1fr; }
}
.flagship-topic-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.flagship-topic-grid section { min-width: 0; padding: 15px; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: #fffdf5; }
.flagship-topic-grid span { width: 31px; height: 31px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--quaternary); font-size: 11px; font-weight: 900; }
.flagship-topic-grid h4 { margin: 10px 0 5px; font-size: 16px; }
.flagship-topic-grid p { margin: 0; color: var(--muted-foreground); font-size: 14px; line-height: 1.7; overflow-wrap: break-word; line-break: strict; text-wrap: pretty; }
.flagship-boundary { margin: 15px 0; padding: 14px 16px; border-left: 6px solid var(--secondary); background: #fff1f7; }
.flagship-boundary p { margin: 5px 0 0; line-height: 1.65; }
.flagship-topic-card > details { border: 2px solid var(--foreground); border-radius: var(--radius-md); overflow: hidden; }
.flagship-topic-card > details summary { padding: 13px 15px; background: #f3ecff; font-weight: 900; cursor: pointer; }
.flagship-activity-body { padding: 5px 16px 16px; }
.flagship-activity-body ol { padding-left: 22px; line-height: 1.65; }
.flagship-activity-body p { margin: 12px 0 0; }
.flagship-example { margin-top: 15px; }
.flagship-example-toggle { min-height: 46px; padding: 9px 18px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--secondary); color: var(--foreground); box-shadow: 3px 3px 0 var(--foreground); font: inherit; font-weight: 900; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease; }
.flagship-example-toggle:hover { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--foreground); }
.flagship-example-toggle[aria-expanded="true"] { background: var(--quaternary); }
.flagship-print-card { min-height: 46px; margin-left: 9px; padding: 9px 18px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); font: inherit; font-weight: 900; cursor: pointer; }
.flagship-print-card:hover { background: var(--tertiary); }
.flagship-share-link { min-height: 46px; margin-left: 9px; padding: 9px 18px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: #ede9fe; color: var(--foreground); font: inherit; font-weight: 900; cursor: pointer; }
.flagship-share-link:hover { background: var(--quaternary); }
.flagship-share-link:focus-visible { outline: 4px solid white; box-shadow: 0 0 0 7px var(--accent); }
.flagship-example-panel { margin-top: 13px; padding: 20px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; background: #fffdf5; box-shadow: 5px 5px 0 #d8ccff; }
.flagship-example-panel > span { color: var(--accent); font-size: 12px; font-weight: 900; letter-spacing: .04em; }
.flagship-example-panel h3, .flagship-example-panel h4 { margin: 7px 0 15px; font-size: 20px; }
.flagship-example-panel dl { margin: 0; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; }
.flagship-example-panel dl div { padding: 12px; border: 2px solid var(--border); border-radius: var(--radius-md); background: white; }
.flagship-example-panel dt { font-weight: 900; }
.flagship-example-panel dd { margin: 5px 0 0; color: var(--muted-foreground); font-size: 13px; line-height: 1.6; }
.flagship-example-panel > p { margin: 14px 0 0; padding: 10px 12px; border-left: 5px solid var(--tertiary); background: #fff7d6; line-height: 1.6; }
.flagship-topic-card > footer { margin-top: 15px; padding-top: 14px; display: flex; justify-content: space-between; gap: 15px; border-top: 2px dashed var(--border); color: var(--muted-foreground); font-size: 13px; line-height: 1.55; }
.flagship-topic-card > footer a { color: var(--foreground); font-weight: 850; }
.flagship-food { box-shadow-color: var(--tertiary); }
.flagship-water { box-shadow-color: #60a5fa; }
.flagship-water .flagship-topic-grid span { background: #93c5fd; }
.water-safety { border-left-color: #2563eb; background: #eff6ff; }
.flagship-climate { box-shadow-color: var(--secondary); }
.flagship-climate .flagship-topic-grid span { background: #f9a8d4; }
.climate-evidence-note { border-left-color: #7c3aed; background: #f5f0ff; }
.flagship-biodiversity { box-shadow-color: var(--quaternary); }
.flagship-biodiversity .flagship-topic-grid span { background: var(--quaternary); }
.flagship-packaging { box-shadow-color: var(--tertiary); }
.flagship-packaging .flagship-topic-grid span { background: #fde68a; }
.flagship-energy { box-shadow-color: #fb923c; }
.flagship-energy .flagship-topic-grid span { background: #fdba74; }
.flagship-plastic { box-shadow-color: #38bdf8; }
.flagship-plastic .flagship-topic-grid span { background: #7dd3fc; }
.flagship-urban-nature { box-shadow-color: #22c55e; }
.flagship-urban-nature .flagship-topic-grid span { background: #86efac; }
.flagship-circular { box-shadow-color: var(--accent); }
.flagship-circular .flagship-topic-grid span { background: #c4b5fd; }
.biodiversity-safety { border-left-color: #047857; background: #ecfdf5; }
.flagship-practice { margin: 0 0 46px; padding: 30px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: #f4edff; box-shadow: 8px 8px 0 var(--secondary); }
.flagship-practice .curriculum-heading { margin-bottom: 24px; }
.flagship-practice .curriculum-heading h2 { margin: 8px 0 0; font-size: clamp(29px,4vw,43px); }
.flagship-practice-layout { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(290px,.7fr); gap: 20px; align-items: stretch; }
.decision-challenge, .school-trial-pack { padding: 24px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: white; }
.decision-challenge { box-shadow: 5px 5px 0 var(--accent); }
.decision-challenge header { display: flex; justify-content: space-between; gap: 14px; color: var(--accent); font-weight: 900; }
.decision-object { width: 82px; height: 82px; margin: 22px 0 14px; display: grid; place-items: center; border: 2px solid var(--foreground); border-radius: 50%; background: var(--tertiary); font-size: 42px; }
.decision-context { margin: 0; font-size: 18px; line-height: 1.7; }
.decision-challenge h3 { margin: 18px 0 12px; font-size: 23px; }
.decision-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.decision-options button { min-height: 58px; padding: 11px 14px; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; color: var(--foreground); font: inherit; font-weight: 800; text-align: left; cursor: pointer; }
.decision-options button:hover:not(:disabled), .decision-options button:focus-visible { border-color: var(--accent); box-shadow: 3px 3px 0 var(--accent); outline: 0; }
.decision-options button.is-correct { background: #bbf7d0; }
.decision-options button.is-wrong { background: #fecdd3; }
.decision-options button:disabled { color: var(--foreground); opacity: 1; cursor: default; }
.decision-feedback { min-height: 58px; margin: 16px 0 0; padding: 13px 15px; border-left: 5px solid #94a3b8; background: #f8fafc; line-height: 1.65; }
.decision-feedback:empty { visibility: hidden; }
.decision-feedback.is-correct, .decision-feedback.is-complete { border-color: var(--quaternary); background: #ecfdf5; }
.decision-feedback.is-wrong { border-color: var(--secondary); background: #fff1f2; }
.decision-controls { margin-top: 16px; display: flex; justify-content: space-between; gap: 10px; }
.decision-controls button { min-width: 150px; }
.local-progress-note { margin: 14px 0 0; color: var(--muted-foreground); font-size: 12px; }
.school-trial-pack { display: flex; flex-direction: column; box-shadow: 5px 5px 0 var(--quaternary); }
.school-trial-pack .resource-time { align-self: flex-start; padding: 5px 11px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 13px; font-weight: 900; }
.school-trial-pack h3 { margin: 16px 0 8px; font-size: 25px; }
.school-trial-pack ul { margin: 6px 0 22px; padding-left: 21px; line-height: 1.75; }
.school-trial-actions { margin-top: auto; display: grid; gap: 10px; }
.school-trial-actions button { width: 100%; }
.school-trial-pack > p { margin: 14px 0 0; color: var(--muted-foreground); font-size: 13px; line-height: 1.6; }
.teacher-resource-library {
  padding: 30px;
  border: 2px solid var(--foreground);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
  background: white;
  box-shadow: 8px 8px 0 var(--secondary);
}
.teacher-resource-library .section-heading :is(h1,h2) { font-size: clamp(29px,3.2vw,42px); line-height: 1.15; }
.resource-audience-tabs { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px; }
.resource-audience-tabs button, .curated-resource-filter button { min-height: 46px; padding: 9px 20px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); font: inherit; font-weight: 850; cursor: pointer; }
.resource-audience-tabs button[aria-selected="true"], .curated-resource-filter button.is-active { background: var(--tertiary); box-shadow: 3px 3px 0 var(--foreground); }
.resource-audience-intro { margin: 14px 0 0; max-width: 720px; color: var(--muted-foreground); font-weight: 700; line-height: 1.65; }
.teacher-resource-toolbar { margin: 22px 0 12px; display: grid; grid-template-columns: 1fr 280px; gap: 14px; }
.teacher-resource-toolbar label { display: grid; gap: 7px; font-weight: 800; }
.teacher-resource-toolbar input, .teacher-resource-toolbar select { min-height: 50px; padding: 10px 14px; border: 2px solid #cbd5e1; border-radius: var(--radius-md); background: white; font: inherit; }
.teacher-resource-toolbar input:focus, .teacher-resource-toolbar select:focus { border-color: var(--accent); outline: 0; box-shadow: 4px 4px 0 var(--accent); }
html[data-page="resources"] .teacher-filter-only,
html[data-page="family"] .teacher-filter-only { display: none; }
html[data-page="resources"] .flagship-practice-layout { grid-template-columns: 1fr; }
html[data-page="resources"] .school-trial-pack { display: none; }
html[data-page="teachers"] .teacher-resource-toolbar { grid-template-columns: repeat(3,minmax(0,1fr)); }
.resource-show-more { margin: 22px auto 0; min-height: 46px; padding: 9px 20px; display: block; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; color: var(--foreground); box-shadow: 3px 3px 0 var(--foreground); font: inherit; font-weight: 850; cursor: pointer; }
.resource-show-more:hover { background: var(--tertiary); transform: translate(-1px,-1px); box-shadow: 4px 4px 0 var(--foreground); }
.resource-show-more[hidden] { display: none; }
.teacher-resource-status { color: var(--muted-foreground); font-weight: 750; }
.teacher-resource-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.teacher-resource-card { padding: 22px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) 0 var(--radius-lg) var(--radius-lg); background: white; box-shadow: 5px 5px 0 var(--border); }
.teacher-resource-card h3 { margin: 8px 0; font-size: 22px; }
.teacher-resource-card p { margin: 6px 0 16px; color: var(--muted-foreground); }
.teacher-resource-card small { color: var(--accent); font-weight: 850; }
.teacher-resource-card .resource-time { display: inline-flex; margin: 0 0 9px; padding: 4px 10px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); color: var(--foreground); }
.family-card-summary { min-height: 3.3em; font-size: 17px; line-height: 1.65; }
.family-resource-open { width: 100%; min-height: 48px; margin-top: 8px; }
.family-steps { margin: 12px 0 16px; padding-left: 22px; color: var(--foreground); }
.family-steps li { margin: 7px 0; line-height: 1.55; }
.family-prompt { padding: 11px 13px; border-left: 4px solid var(--secondary); background: #fff1f8; color: var(--foreground) !important; }
.family-resource-dialog { width: min(860px,calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 26px; overflow: auto; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: var(--background); box-shadow: 10px 10px 0 var(--foreground); }
.family-resource-dialog::backdrop { background: rgba(30,41,59,.72); }
.family-resource-dialog-heading { position: sticky; top: -26px; z-index: 2; margin: -26px -26px 20px; padding: 24px 26px 16px; display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; border-bottom: 2px solid var(--foreground); background: var(--background); }
.family-resource-dialog-heading h2 { margin: 7px 0 0; font-size: clamp(29px,4vw,44px); }
.family-resource-dialog-body { font-size: 19px; line-height: 1.75; }
.family-resource-dialog-body h3 { margin: 22px 0 8px; font-size: 24px; }
.family-resource-dialog-body .family-steps { display: grid; gap: 10px; padding-left: 30px; }
.family-resource-dialog-body .family-steps li { padding-left: 5px; }
.family-resource-dialog-body .family-prompt { padding: 17px 19px; font-size: 18px; }
.family-dialog-note { padding: 14px 16px; border: 2px dashed var(--foreground); border-radius: var(--radius-md); background: white; color: var(--muted-foreground); font-size: 16px; }
.family-resource-dialog-body .safe-packaging-visual figcaption { font-size: 16px; }
.family-resource-dialog-body .safe-packaging-visual figcaption b { font-size: 17px; }
.family-resource-dialog-body .safe-packaging-visual figcaption small { font-size: 15px; }
.family-resource-dialog-actions { position: sticky; bottom: -26px; margin: 20px -26px -26px; padding: 15px 26px 24px; display: flex; justify-content: flex-end; border-top: 2px solid var(--foreground); background: var(--background); }
.family-resource-dialog-actions button { min-height: 48px; }
.print-document-frame { position: fixed; right: 100vw; bottom: 0; width: 1px; height: 1px; border: 0; }
.print-document { max-width: 780px; margin: 0 auto; padding: 0; color: #1e293b; background: white; font-family: "Microsoft JhengHei",Arial,sans-serif; font-size: 16px; line-height: 1.7; }
.print-document * { box-sizing: border-box; }
.print-document h1,.print-document h2,.print-document h3,.print-document h4 { line-height: 1.25; }
.print-document h1 { font-size: 30px; }
.print-document h2 { font-size: 25px; }
.print-document h3 { font-size: 21px; }
.print-document img { max-width: 100%; height: auto; }
.print-document figure { margin: 16px 0; border: 2px solid #1e293b; border-radius: 14px; overflow: hidden; }
.print-document figcaption { padding: 12px; }
.print-document section,.print-document article,.print-document aside,.print-document details { break-inside: avoid; }
.print-document details > summary,.print-document button { display: none !important; }
.print-document details > div,.print-document details > section { display: block !important; }
.print-document .flagship-example,.print-document .flagship-template-preview,.print-document .flagship-rubric,.print-document .flagship-differentiation,.print-document .flagship-exit-ticket,.print-document .flagship-share-link,.print-document .flagship-print-card { display: none !important; }
.print-document .family-prompt,.print-document .flagship-boundary { padding: 12px 14px; border-left: 4px solid #f472b6; background: #fff1f8; }
.print-document .flagship-prep,.print-document .flagship-output { margin: 14px 0; padding: 12px; border: 2px solid #1e293b; border-radius: 12px; }
.print-document .flagship-checklist { display: none; }
.print-document .flagship-topic-grid,.print-document .flagship-audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.print-document .flagship-learning-path { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; padding: 0; list-style: none; }
.print-document .flagship-learning-path li { padding: 10px; border: 1px solid #94a3b8; border-radius: 10px; }
.safe-packaging-visual { margin: 16px 0 18px; overflow: hidden; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: #fffdf5; }
.safe-packaging-visual img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 1; object-fit: cover; }
.safe-packaging-visual figcaption { padding: 12px; display: grid; grid-template-columns: minmax(150px,.8fr) minmax(220px,1.2fr); gap: 8px 12px; align-items: start; font-size: 12px; line-height: 1.5; }
.safe-packaging-visual figcaption span { padding: 8px; border-radius: 10px; background: #f8fafc; }
.safe-packaging-visual figcaption b { display: block; padding: 8px; color: var(--foreground); font-size: 13px; }
.safe-packaging-visual figcaption small { grid-column: 1 / -1; color: var(--muted-foreground); line-height: 1.5; }
.teacher-resource-card .safe-packaging-visual figcaption { display: none; }
.family-support-kit { margin: 26px 0; padding: 20px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: #fffdf5; box-shadow: 4px 4px 0 var(--tertiary); }
.family-support-heading > span { display: inline-flex; padding: 4px 9px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: var(--quaternary); font-size: 12px; font-weight: 850; }
.family-support-heading h3 { margin: 10px 0 5px; }
.family-support-heading p { margin: 0 0 14px; color: var(--muted-foreground); }
.family-support-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid #94a3b8; background: white; }
.family-support-table { width: 100%; min-width: 590px; border-collapse: collapse; font-size: 14px; line-height: 1.35; }
.family-support-table th,.family-support-table td { min-width: 100px; height: 48px; padding: 8px; border: 1px solid #94a3b8; text-align: left; vertical-align: top; }
.family-support-table th { background: #eef2ff; font-weight: 850; }
.energy-label-examples { margin: 17px 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.energy-label-sample { overflow: hidden; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; }
.energy-label-sample header { padding: 10px 12px; display: flex; align-items: baseline; justify-content: space-between; gap: 10px; border-bottom: 2px solid var(--foreground); background: #ecfdf5; }
.energy-label-sample header strong { font-size: 18px; }
.energy-label-sample header span { color: var(--muted-foreground); font-size: 11px; }
.energy-grade { padding: 13px; display: flex; align-items: center; gap: 12px; background: linear-gradient(100deg,#22c55e 0 58%,#dcfce7 58%); }
.energy-grade b { width: 64px; height: 64px; display: grid; place-items: center; border: 3px solid var(--foreground); border-radius: 50%; background: white; font-size: 34px; }
.energy-grade span { font-size: 14px; font-weight: 850; }
.energy-label-sample dl { margin: 0; padding: 12px; display: grid; gap: 7px; }
.energy-label-sample dl div { display: grid; grid-template-columns: 1.3fr .7fr; gap: 10px; }
.energy-label-sample dt { color: var(--muted-foreground); }
.energy-label-sample dd { margin: 0; font-weight: 850; text-align: right; }
.energy-label-reading { margin: 15px 0; padding-left: 25px; }
.energy-label-reading li { margin: 8px 0; }
.family-support-source { margin: 14px 0 0; padding-top: 12px; border-top: 2px dashed var(--border); color: var(--muted-foreground); font-size: 13px; }
.family-support-source a { color: var(--accent); font-weight: 800; }
.print-document .family-support-kit { box-shadow: none; break-inside: avoid; }
.print-document .family-support-table-wrap { overflow: visible; }
.print-document .family-support-table { min-width: 0; font-size: 11px; }
.print-document .energy-label-sample { break-inside: avoid; }
.worksheet-reference-visual { list-style: none; }
.worksheet-reference-visual::marker { content: ""; }
.teacher-resource-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.teacher-resource-actions button { min-height: 44px; padding: 8px 14px; }
.teacher-lesson-planner { margin-top: 46px; padding-top: 42px; border-top: 3px dashed var(--foreground); }
.curated-resource-hub {
  margin-top: 46px;
  padding: 30px;
  border: 2px solid var(--foreground);
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
  background: white;
  box-shadow: 8px 8px 0 var(--tertiary);
}
.curated-resource-controls { margin: 22px 0 14px; display: grid; grid-template-columns: minmax(220px, 320px) 1fr; gap: 18px; align-items: end; }
.curated-resource-controls > label { display: grid; gap: 7px; font-weight: 800; }
.curated-resource-controls select { min-height: 48px; padding: 9px 14px; border: 2px solid #cbd5e1; border-radius: var(--radius-md); background: white; color: var(--foreground); font: inherit; }
.curated-resource-controls select:focus { border-color: var(--accent); outline: 0; box-shadow: 4px 4px 0 var(--accent); }
.curated-resource-filter { display: flex; flex-wrap: wrap; gap: 9px; }
.curated-resource-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.curated-resource-card { display: flex; flex-direction: column; padding: 20px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); background: white; box-shadow: 5px 5px 0 var(--border); }
.curated-resource-card header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.curated-resource-card small { color: var(--accent); font-weight: 850; }
.curated-resource-card .resource-kind { padding: 3px 9px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: #ede9fe; color: var(--foreground); font-size: 12px; }
.curated-resource-card h3 { margin: 13px 0 8px; font-size: 20px; }
.curated-resource-card p { margin: 0 0 16px; color: var(--muted-foreground); line-height: 1.6; }
.resource-theme-tags { margin: 0 0 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.resource-theme-tags span { padding: 4px 8px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: #fff8d9; font-size: 12px; font-weight: 800; }
.curated-resource-card a { margin-top: auto; align-self: flex-start; font-weight: 850; color: var(--foreground); text-decoration-thickness: 2px; }

/* Defer off-screen card rendering on long education pages. */
.curriculum-card,
.teacher-resource-card,
.curated-resource-card,
.flagship-topic-card {
  content-visibility: auto;
  /* Only reserve vertical space while an off-screen card is skipped.
     Reserving 480px on both axes forced mobile grids wider than the viewport. */
  contain-intrinsic-inline-size: auto none;
  contain-intrinsic-block-size: auto 480px;
}
.resource-library-notice { margin-top: 18px; padding: 14px 16px; border: 2px dashed var(--foreground); border-radius: var(--radius-md); background: #fffdf5; color: var(--muted-foreground); line-height: 1.6; }
.teacher-lesson-planner .curriculum-heading { margin-bottom: 22px; }
.teacher-lesson-planner .curriculum-heading h2 { margin: 8px 0; font-size: clamp(27px,3vw,38px); }
.teacher-lesson-planner .curriculum-heading p { line-height: 1.6; }
.teacher-lesson-planner .curriculum-heading > p { max-width: 500px; }
.teacher-lesson-planner .teacher-resource-status { margin-bottom: 0; }
.teacher-lesson-planner label { display: grid; gap: 7px; font-weight: 800; }
.lesson-plan-topic-label { display: none; }
.lesson-plan-builder { display: block; }
.lesson-plan-toolbar { display: grid; grid-template-columns: minmax(260px,1fr) auto; gap: 16px; align-items: end; }
.lesson-plan-toolbar select { min-height: 50px; padding: 10px 14px; border: 2px solid #cbd5e1; border-radius: var(--radius-md); background: white; font: inherit; }
.lesson-plan-toolbar select:focus { border-color: var(--accent); outline: 0; box-shadow: 4px 4px 0 var(--accent); }
.lesson-plan-duration { display: flex; gap: 9px; }
.lesson-plan-duration button { min-height: 50px; padding: 9px 20px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; font-weight: 850; cursor: pointer; }
.lesson-plan-duration button.is-active { background: var(--tertiary); box-shadow: 3px 3px 0 var(--foreground); }
.lesson-plan-sheet { margin-top: 20px; padding: 28px; border: 2px solid var(--foreground); border-radius: var(--radius-lg) 0 var(--radius-lg) var(--radius-lg); background: white; box-shadow: 6px 6px 0 var(--secondary); }
.lesson-plan-sheet header { padding-bottom: 16px; border-bottom: 3px solid var(--foreground); }
.lesson-plan-sheet header > p { margin: 0; color: var(--accent); font-weight: 900; }
.lesson-plan-sheet h3 { margin: 5px 0 10px; font-size: clamp(25px,3vw,35px); }
.lesson-plan-sheet header > div { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.lesson-plan-sheet h4 { margin: 0 0 7px; font-size: 19px; }
.lesson-plan-sheet p { margin: 0; line-height: 1.65; }
.lesson-plan-sheet > h4 { margin-top: 24px; }
.lesson-plan-sheet > ol { display: grid; gap: 10px; padding-left: 0; list-style: none; }
.lesson-plan-sheet > ol li { display: grid; grid-template-columns: 78px 1fr; gap: 12px; padding: 12px; border: 2px solid var(--border); border-radius: var(--radius-md); }
.lesson-plan-sheet > ol strong { color: var(--accent); }
.lesson-plan-summary { margin: 20px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lesson-plan-summary section { padding: 15px; border: 2px solid var(--border); border-radius: var(--radius-md); background: #fffdf5; }
.lesson-plan-activity-focus { margin: 18px 0; padding: 16px 18px; border: 2px solid var(--foreground); border-radius: var(--radius-md); background: #ecfdf5; box-shadow: 4px 4px 0 var(--secondary); }
.lesson-plan-activity-focus h4 { margin: 0 0 6px; }
.lesson-plan-activity-focus p { margin: 0; }
.lesson-plan-summary ul,
.lesson-plan-summary ol,
.lesson-plan-reference ul { margin: 8px 0 0; padding-left: 22px; }
.lesson-plan-summary li,
.lesson-plan-reference li { margin: 7px 0; line-height: 1.6; }
.lesson-plan-reference li + li { padding-top: 10px; border-top: 1px dashed #94a3b8; }
.lesson-plan-reference span { color: var(--muted-foreground); }
.lesson-plan-reference a { color: #4338ca; font-weight: 700; text-underline-offset: 3px; }
.lesson-plan-school-grid { margin: 20px 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.lesson-plan-school-grid section { padding: 15px; border: 2px dashed #94a3b8; border-radius: var(--radius-md); background: #f8fafc; }
.lesson-plan-school-grid .lesson-plan-reference { grid-column: 1 / -1; border-style: solid; border-color: var(--tertiary); background: #fff8d9; }
.lesson-plan-source { padding-top: 16px; border-top: 2px dashed var(--border); color: var(--muted-foreground); font-size: 14px; }
.lesson-plan-actions { margin-top: 16px; display: flex; justify-content: flex-end; gap: 10px; }
.worksheet-preview-dialog { width: min(1000px,calc(100vw - 30px)); height: min(880px,calc(100vh - 30px)); padding: 22px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: var(--background); box-shadow: 10px 10px 0 var(--foreground); }
.worksheet-preview-dialog::backdrop { background: rgba(30,41,59,.72); }
.worksheet-preview-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.worksheet-preview-heading h2 { margin: 7px 0 12px; font-size: clamp(24px,3vw,34px); }
.worksheet-preview-dialog iframe { width: 100%; height: calc(100% - 150px); border: 2px solid var(--foreground); border-radius: var(--radius-md); background: white; }
.worksheet-preview-actions { padding-top: 14px; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.questions { display: grid; gap: 20px; }
.questions > li { break-inside: avoid; }
.lines { min-height: 96px; background: repeating-linear-gradient(white 0,white 37px,#cbd5e1 38px); }
.pictures { display: flex; flex-wrap: wrap; gap: 14px; }
.pictures > span { width: 130px; padding: 12px; border: 2px solid var(--foreground); border-radius: 14px; text-align: center; font-size: 38px; }
.pictures small { display: block; font-size: 15px; font-weight: 800; }
.match { display: grid; grid-template-columns: 150px minmax(80px,1fr) 150px; gap: 10px; align-items: center; margin: 8px 0; }
.match i { border-top: 2px dashed #94a3b8; }
.bank { display: inline-block; padding: 8px 14px; border: 2px dashed var(--accent); }
.answers { margin-top: 30px; border-top: 2px dashed var(--accent); }

@media (max-width: 920px) {
  .home-grid { grid-template-columns: 1fr; }
  .home-card, .home-card:nth-child(n+5) { min-height: 250px; grid-column: auto; }
  .workspace::before { display: none; }
  .workspace::after { right: -70px; opacity: .72; }
  .search-card { grid-template-columns: 1fr 1fr; }
  .primary-button { grid-column: 1 / -1; width: 210px; }
  .quick-picks { grid-column: 1 / -1; }
  .privacy-note { position: relative; right: auto; bottom: auto; margin-top: 25px; }
  .classification-card { grid-template-columns: auto 1fr; }
  .prep-tip { grid-column: 1 / -1; }
  .guide-layout { grid-template-columns: 160px 1fr; }
  .guide-warning { grid-column: 1 / -1; }
  .footprint-card:nth-of-type(n) { grid-column: span 3; }
  .pledge-builder { grid-template-columns: 1fr; }
  .pledge-paper, .pledge-actions { grid-column: auto; }
  .visual-story { grid-template-columns: 1fr; }
  .visual-story img { height: 280px; border-right: 0; border-bottom: var(--border-width) solid var(--foreground); }
  #source { grid-template-columns: 1fr 2fr; }
  #source a { width: max-content; }
}

@media (max-width: 1260px) {
  .mobile-menu-button { min-height: 44px; padding: 7px 11px; display: flex; align-items: center; gap: 8px; border: 2px solid var(--foreground); border-radius: var(--radius-full); background: white; box-shadow: 2px 2px 0 var(--foreground); cursor: pointer; }
  .mobile-menu-button span, .mobile-menu-button span::before, .mobile-menu-button span::after { width: 19px; height: 2px; display: block; border-radius: 99px; background: var(--foreground); content: ""; }
  .mobile-menu-button span { position: relative; }
  .mobile-menu-button span::before { position: absolute; top: -6px; }
  .mobile-menu-button span::after { position: absolute; top: 6px; }
  .mobile-menu-button strong { font-size: 13px; }
  .topbar nav { position: absolute; left: 12px; right: 12px; top: calc(100% + 8px); z-index: 30; padding: 12px; display: none; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; border: 2px solid var(--foreground); border-radius: var(--radius-lg); background: white; box-shadow: 5px 5px 0 var(--foreground); }
  .topbar.is-menu-open nav { display: grid; }
  .topbar nav a { min-height: 46px; padding: 9px 10px; display: flex; align-items: center; border: 2px solid var(--border); border-radius: var(--radius-md); background: #fffdf5; font-size: 14px; }
  .topbar nav a::after { display: none; }
  .topbar nav a[aria-current="page"] { border-color: var(--foreground); background: #fff4bd; }
}

@media (max-width: 680px) {
  .topbar { height: 66px; padding-inline: 18px; }
  .flagship-topic-grid { grid-template-columns: 1fr; }
  .flagship-prep { grid-template-columns: 1fr; }
  .flagship-prep ul { grid-template-columns: 1fr; }
  .info-page { padding: 54px 18px 72px; }
  .info-lead { font-size: 17px; }
  .info-page article { padding: 20px; box-shadow: 3px 3px 0 var(--border); }
  .home-section { min-height: 0; padding: 48px 18px 60px; }
  .home-intro > p:last-child { font-size: 16px; }
  .home-grid { margin-top: 30px; gap: 18px; }
  .home-card { min-height: 230px; padding: 24px; box-shadow: 4px 4px 0 var(--foreground); }
  .brand-mark { width: 38px; height: 38px; box-shadow: 2px 2px 0 var(--foreground); }
  .workspace { min-height: 0; padding: 42px 18px 40px; background-size: 20px 20px; }
  .workspace::before { width: 120px; height: 120px; left: -65px; top: 30px; box-shadow: 3px 3px 0 var(--foreground); }
  .workspace::after, .search-card::after, .how-section::after { display: none; }
  h1 { font-size: clamp(38px,12vw,52px); }
  h1 em { text-decoration-thickness: 6px; }
  .intro > p:last-child { margin: 21px 0 25px; font-size: 16px; }
  .search-card { grid-template-columns: 1fr; padding: 17px; border-radius: var(--radius-md); box-shadow: 4px 4px 0 var(--secondary); }
  .photo-card { grid-template-columns: 1fr; padding: 16px; box-shadow: 4px 4px 0 var(--quaternary); }
  .photo-button { width: 100%; }
  .photo-preview { grid-column: auto; grid-template-columns: 88px 1fr; }
  .photo-preview img { width: 88px; height: 88px; }
  .primary-button { grid-column: auto; width: 100%; min-height: 52px; }
  .quick-picks { grid-column: auto; }
  .privacy-note { margin-top: 22px; }
  .results-section { padding: 62px 18px; }
  .results-section::before { display: none; }
  .results-header, .result-toolbar { align-items: start; flex-direction: column; }
  .classification-card { grid-template-columns: 1fr; padding: 20px; box-shadow: 4px 4px 0 var(--secondary); }
  .category-icon { width: 60px; height: 60px; }
  .points-grid { grid-template-columns: 1fr; gap: 18px; }
  .point-card, .point-card:nth-child(n) { box-shadow: 4px 4px 0 var(--border); }
  .point-card:hover { transform: none; box-shadow: 4px 4px 0 var(--tertiary); }
  .guide-section, .carbon-section { padding: 68px 18px; }
  .curriculum-section { padding: 68px 18px; }
  .curriculum-heading, .curriculum-grid { grid-template-columns: 1fr; }
  .curriculum-toolbar { grid-template-columns: 1fr; box-shadow: 4px 4px 0 var(--tertiary); }
  .curriculum-filter-actions { align-items: stretch; flex-direction: column; }
  .curriculum-filter-buttons { display: grid; grid-template-columns: 1fr; }
  .curriculum-filter-actions button { width: 100%; }
  .back-to-filters, .back-to-topics { right: 14px; bottom: 14px; min-height: 48px; padding: 7px 14px 7px 7px; box-shadow: 3px 3px 0 var(--foreground); }
  .back-to-filters span, .back-to-topics span { width: 31px; height: 31px; }
  .learning-flow { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .source-policy { grid-template-columns: 1fr; }
  .flashcard-controls { grid-template-columns: 1fr 1fr; }
  .quiz-start-actions { justify-content: stretch; }
  .quiz-start-actions button { flex: 1 1 150px; }
  .flashcard-lab { padding: 18px; grid-template-columns: 1fr; box-shadow: 5px 5px 0 var(--foreground); }
  .flashcard { min-height: 340px; padding: 20px; box-shadow: 4px 4px 0 var(--tertiary); }
  .flashcard-controls { grid-template-columns: 1fr 1fr; }
  .flashcard-controls button:last-child { grid-column: 1 / -1; }
  .learning-progress { padding: 18px; grid-template-columns: 1fr; box-shadow: 4px 4px 0 var(--secondary); }
  .learning-progress dl { grid-template-columns: 1fr 1fr; }
  .quiz-lab { padding: 19px; box-shadow: 4px 4px 0 var(--quaternary); }
  .quiz-heading { align-items: flex-start; }
  .quiz-mark { width: 54px; height: 54px; font-size: 27px; }
  .quiz-start { grid-template-columns: 1fr; align-items: stretch; }
  .quiz-primary { width: 100%; }
  .quiz-question { padding: 19px; }
  .quiz-result { grid-template-columns: 1fr; }
  .action-mission { padding: 19px; box-shadow: 4px 4px 0 var(--tertiary); }
  .action-mission-heading { grid-template-columns: 1fr; }
  .action-mission-total { width: 112px; min-width: 112px; }
  .action-mission-card { padding: 19px; box-shadow: 4px 4px 0 var(--quaternary); }
  .action-mission-actions { flex-direction: column; }
  .action-mission-actions button { width: 100%; }
  .activity-planner { padding: 19px; box-shadow: 4px 4px 0 var(--secondary); }
  .activity-planner-heading { grid-template-columns: 1fr; align-items: start; }
  .activity-duration button { flex: 1; }
  .activity-plan { padding: 18px; }
  .activity-plan-title { grid-template-columns: 1fr; }
  .activity-plan-title > span { width: 68px; height: 68px; }
  .worksheet-builder { padding: 19px; box-shadow: 4px 4px 0 var(--quaternary); }
  .worksheet-builder-heading { grid-template-columns: 1fr; }
  .worksheet-actions { flex-direction: column; }
  .worksheet-actions button { width: 100%; }
  .worksheet-sheet { padding: 20px; box-shadow: 3px 3px 0 var(--foreground); }
  .resource-center-hero { padding: 26px; grid-template-columns: 1fr; box-shadow: 4px 4px 0 var(--accent); }
  .teacher-zone-hero { padding: 26px; grid-template-columns: 1fr; box-shadow: 4px 4px 0 var(--quaternary); }
  .resource-path-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .flagship-topic-directory { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .flagship-unit { padding: 22px; box-shadow: 4px 4px 0 var(--quaternary); }
  .flagship-topic-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .flagship-example-panel dl { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sorting-decision-framework { grid-template-columns: 1fr; }
  .sorting-special-cases { grid-template-columns: 1fr; }
  .flagship-practice { padding: 20px; box-shadow: 4px 4px 0 var(--secondary); }
  .flagship-practice-layout { grid-template-columns: 1fr; }
  .flagship-learning-path { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .flagship-audience-grid { grid-template-columns: 1fr; }
  .school-ready-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .teacher-resource-library, .curated-resource-hub { padding: 20px; box-shadow: 4px 4px 0 var(--secondary); }
  .curated-resource-hub { box-shadow: 4px 4px 0 var(--tertiary); }
  .teacher-resource-toolbar, .teacher-resource-grid, .curated-resource-grid, .curated-resource-controls { grid-template-columns: 1fr; }
  .lesson-plan-toolbar, .lesson-plan-summary, .lesson-plan-school-grid { grid-template-columns: 1fr; }
  .lesson-plan-duration { display: grid; grid-template-columns: 1fr 1fr; }
  .lesson-plan-sheet { padding: 19px; box-shadow: 4px 4px 0 var(--secondary); }
  .lesson-plan-sheet > ol li { grid-template-columns: 1fr; gap: 4px; }
  .lesson-plan-actions { flex-direction: column; }
  .lesson-plan-actions button { width: 100%; }
  .worksheet-preview-dialog { width: calc(100vw - 14px); height: calc(100vh - 14px); padding: 14px; }
  .family-resource-dialog { width: calc(100vw - 14px); max-height: calc(100vh - 14px); padding: 18px; }
  .family-resource-dialog-heading { top: -18px; margin: -18px -18px 16px; padding: 18px; }
  .family-resource-dialog-body { font-size: 18px; }
  .family-resource-dialog-actions { bottom: -18px; margin: 16px -18px -18px; padding: 14px 18px 18px; }
  .worksheet-preview-actions { justify-content: stretch; }
  .worksheet-preview-actions button { flex: 1 1 150px; }
  .curriculum-card, .curriculum-card:nth-child(even) { box-shadow: 4px 4px 0 var(--secondary); }
  .learning-resources li > a { grid-template-columns: auto 1fr; }
  .learning-resources li > a > small { grid-column: 2; }
  .guide-section::before { display: none; }
  .guide-layout { grid-template-columns: 1fr; gap: 18px; }
  .material-tabs { display: flex; overflow-x: auto; padding: 2px 2px 7px; }
  .material-tabs button { min-width: 126px; text-align: center; }
  .checklist-card, .guide-warning { box-shadow: 4px 4px 0 var(--quaternary); }
  .carbon-heading { grid-template-columns: 1fr; gap: 18px; }
  .carbon-concept-strip { grid-template-columns: 1fr; }
  .carbon-form { grid-template-columns: 1fr; }
  .footprint-card:nth-of-type(n) { grid-column: auto; box-shadow: 4px 4px 0 var(--border); }
  .carbon-submit { grid-column: auto; justify-self: stretch; }
  .carbon-result { grid-template-columns: 1fr; box-shadow: 5px 5px 0 var(--tertiary); }
  .score-badge { width: 125px; height: 125px; }
  .carbon-breakdown { grid-template-columns: 1fr; }
  .carbon-breakdown > div { display: grid; grid-template-columns: minmax(125px,.45fr) 1fr; gap: 10px; align-items: center; }
  .carbon-breakdown i { margin-top: 0; }
  .carbon-challenge { padding: 22px; box-shadow: 5px 5px 0 var(--quaternary); }
  .carbon-challenge-heading { grid-template-columns: 1fr; }
  .challenge-score { width: 94px; height: 94px; }
  .challenge-result { grid-template-columns: auto 1fr; }
  .challenge-result button { grid-column: 1 / -1; width: 100%; }
  .seven-day-challenge { padding: 22px; box-shadow: 5px 5px 0 var(--tertiary); }
  .seven-day-heading { grid-template-columns: 1fr; }
  .no-storage-badge { justify-self: start; white-space: normal; }
  .seven-day-sheet { padding: 17px; }
  .seven-day-sheet > header { align-items: flex-start; flex-direction: column; }
  .seven-day-grid,.seven-day-reflection { grid-template-columns: 1fr; }
  .seven-day-grid li:last-child { grid-column: auto; }
  .seven-day-actions { flex-direction: column; }
  .seven-day-actions button { width: 100%; }
  .pledge-builder { padding: 22px; box-shadow: 5px 5px 0 var(--secondary); }
  .pledge-options { grid-template-columns: 1fr; }
  .pledge-paper { padding: 23px; }
  .pledge-actions { flex-direction: column; }
  .how-section { padding: 68px 18px 82px; }
  .how-section ol { grid-template-columns: 1fr; gap: 27px; }
  .how-section ol::before { left: 24px; right: auto; top: 8%; bottom: 8%; height: auto; border-top: 0; border-left: 3px dashed var(--accent); }
  .how-section li:nth-child(n) { min-height: 145px; transform: none; box-shadow: 4px 4px 0 var(--border); }
  .visual-story { margin: 0 18px 68px; box-shadow: 5px 5px 0 var(--foreground); }
  .visual-story img { height: 220px; }
  .visual-story > div { padding: 26px 22px 30px; }
  #source { padding: 38px 18px; grid-template-columns: 1fr; gap: 24px; }
  .report-dialog form { padding: 20px; }
  .report-actions { flex-direction: column-reverse; }
  .report-actions .primary-button { width: 100%; min-width: 0; }
}

@media (max-width: 600px) {
  .resource-center-hero { padding: 22px 18px; }
  .teacher-zone-hero { padding: 22px 18px; }
  .resource-center-hero::after { display: none; }
  .resource-path-grid, .flagship-learning-path, .school-ready-grid { grid-template-columns: 1fr; }
  .flagship-topic-browser { padding: 20px 16px; box-shadow: 4px 4px 0 var(--tertiary); }
  .flagship-topic-directory { grid-template-columns: 1fr; }
  .resource-path-card { min-height: 190px; }
  .flagship-unit-heading { grid-template-columns: 1fr; }
  .flagship-unit-heading > p { justify-content: flex-start; }
  .sorting-decision-framework { padding: 17px; box-shadow: 3px 3px 0 #c4b5fd; }
  .sorting-decision-framework ol { grid-template-columns: 1fr; }
  .flagship-learning-path li { min-height: 0; }
  .flagship-topic-card { padding: 18px; box-shadow: 4px 4px 0 var(--border); }
  .flagship-topic-card > header { align-items: flex-start; flex-direction: column; }
  .flagship-topic-card > header p { justify-content: flex-start; }
  .flagship-prep { grid-template-columns: 1fr; }
  .flagship-prep ul { grid-template-columns: 1fr; }
  .flagship-output { grid-template-columns: 1fr; gap: 5px; }
  .flagship-checklist { grid-template-columns: 1fr; }
  .flagship-topic-grid { grid-template-columns: 1fr; }
  .flagship-example-panel { padding: 15px; }
  .flagship-example-panel dl { grid-template-columns: 1fr; }
  .flagship-topic-card > footer { flex-direction: column; }
  .flagship-practice { padding: 18px; }
  .decision-challenge, .school-trial-pack { padding: 18px; }
  .decision-options { grid-template-columns: 1fr; }
  .decision-controls { flex-direction: column-reverse; }
  .decision-controls button { width: 100%; }
  .safe-packaging-visual figcaption { grid-template-columns: 1fr; }
  .safe-packaging-visual figcaption small { grid-column: auto; }
  .family-support-kit { padding: 15px; }
  .energy-label-examples { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

@media print {
  @page { size: A4; margin: 14mm; }
  .print-document a { color: #1e293b; text-decoration: none; }
  .print-document .no-print { display: none !important; }
  body.is-printing-flagship > header,
  body.is-printing-flagship > #source,
  body.is-printing-flagship > dialog,
  body.is-printing-flagship .back-to-filters,
  body.is-printing-flagship .back-to-topics { display: none !important; }
  body.is-printing-flagship main > * { display: none !important; }
  body.is-printing-flagship main > .flagship-unit.flagship-print-target,
  body.is-printing-flagship main > .flagship-series { display: block !important; }
  body.is-printing-flagship .flagship-series > * { display: none !important; }
  body.is-printing-flagship .flagship-series > .flagship-print-target { display: block !important; }
  body.is-printing-flagship .flagship-print-target { margin: 0 !important; box-shadow: none !important; break-inside: auto; }
  body.is-printing-flagship .flagship-example-toggle,
  body.is-printing-flagship .flagship-print-card,
  body.is-printing-flagship .flagship-share-link,
  body.is-printing-flagship .flagship-print-target > details:not(.flagship-topic-body),
  body.is-printing-flagship .flagship-topic-body > summary,
  body.is-printing-flagship .flagship-template-preview,
  body.is-printing-flagship .flagship-rubric,
  body.is-printing-flagship .flagship-differentiation,
  body.is-printing-flagship .flagship-exit-ticket,
  body.is-printing-flagship .flagship-example { display: none !important; }
  body.is-printing-flagship .flagship-topic-body,
  body.is-printing-flagship .flagship-topic-body-content { display: block !important; margin: 0; padding: 0; border: 0; }
}

@media print {
  body.is-printing-flagship-template > header,
  body.is-printing-flagship-template > #source,
  body.is-printing-flagship-template > dialog,
  body.is-printing-flagship-template .back-to-filters,
  body.is-printing-flagship-template .back-to-topics { display: none !important; }
  body.is-printing-flagship-template main > * { display: none !important; }
  body.is-printing-flagship-template main > .flagship-unit.flagship-template-target,
  body.is-printing-flagship-template main > .flagship-series { display: block !important; }
  body.is-printing-flagship-template .flagship-series > * { display: none !important; }
  body.is-printing-flagship-template .flagship-series > .flagship-template-target { display: block !important; }
  body.is-printing-flagship-template .flagship-template-target { margin: 0 !important; padding: 0 !important; border: 0 !important; box-shadow: none !important; }
  body.is-printing-flagship-template .flagship-template-target > * { display: none !important; }
  body.is-printing-flagship-template .flagship-template-target > .flagship-topic-body { display: block !important; }
  body.is-printing-flagship-template .flagship-topic-body > summary,
  body.is-printing-flagship-template .flagship-topic-body-content > * { display: none !important; }
  body.is-printing-flagship-template .flagship-template-target .flagship-template-preview { display: block !important; margin: 0; border: 0; }
  body.is-printing-flagship-template .flagship-template-preview > summary,
  body.is-printing-flagship-template .flagship-template-print { display: none !important; }
  body.is-printing-flagship-template .flagship-template-sheet { display: block !important; padding: 0; }
  body.is-printing-flagship-exit > header,
  body.is-printing-flagship-exit > #source,
  body.is-printing-flagship-exit > dialog,
  body.is-printing-flagship-exit .back-to-filters,
  body.is-printing-flagship-exit .back-to-topics { display: none !important; }
  body.is-printing-flagship-exit main > * { display: none !important; }
  body.is-printing-flagship-exit main > .flagship-unit.flagship-exit-target,
  body.is-printing-flagship-exit main > .flagship-series { display: block !important; }
  body.is-printing-flagship-exit .flagship-series > * { display: none !important; }
  body.is-printing-flagship-exit .flagship-series > .flagship-exit-target { display: block !important; }
  body.is-printing-flagship-exit .flagship-exit-target { margin: 0 !important; padding: 0 !important; border: 0 !important; box-shadow: none !important; }
  body.is-printing-flagship-exit .flagship-exit-target > * { display: none !important; }
  body.is-printing-flagship-exit .flagship-exit-target > .flagship-topic-body { display: block !important; }
  body.is-printing-flagship-exit .flagship-topic-body > summary,
  body.is-printing-flagship-exit .flagship-topic-body-content > * { display: none !important; }
  body.is-printing-flagship-exit .flagship-exit-target .flagship-exit-ticket { display: block !important; margin: 0; border: 0; }
  body.is-printing-flagship-exit .flagship-exit-ticket > summary,
  body.is-printing-flagship-exit .flagship-exit-print { display: none !important; }
  body.is-printing-flagship-exit .flagship-exit-sheet { display: block !important; padding: 0; }
}

@media print {
  body * { visibility: hidden !important; }
  body.is-printing-flagship .flagship-print-target, body.is-printing-flagship .flagship-print-target *,
  body.is-printing-flagship-template .flagship-template-target, body.is-printing-flagship-template .flagship-template-target *,
  body.is-printing-flagship-exit .flagship-exit-target, body.is-printing-flagship-exit .flagship-exit-target * { visibility: visible !important; }
  #pledge-paper, #pledge-paper * { visibility: visible !important; }
  #pledge-paper { position: absolute; inset: 0; width: 100%; min-height: 100vh; border: 4px double #1e293b; background: white; }
  body.printing-worksheet #pledge-paper, body.printing-worksheet #pledge-paper * { visibility: hidden !important; }
  body.printing-worksheet #worksheet-sheet, body.printing-worksheet #worksheet-sheet * { visibility: visible !important; }
  body.printing-worksheet #worksheet-sheet { position: absolute; inset: 0; width: 100%; margin: 0; padding: 20px; border: 0; box-shadow: none; }
  body.printing-worksheet .worksheet-builder { display: block !important; }
  body.printing-lesson-plan * { visibility: hidden !important; }
  body.printing-lesson-plan #lesson-plan-sheet, body.printing-lesson-plan #lesson-plan-sheet * { visibility: visible !important; }
  body.printing-lesson-plan #lesson-plan-sheet { position: absolute; inset: 0; width: 100%; margin: 0; padding: 20px; border: 0; box-shadow: none; }
  body.printing-seven-day #pledge-paper, body.printing-seven-day #pledge-paper * { visibility: hidden !important; }
  body.printing-seven-day #seven-day-sheet, body.printing-seven-day #seven-day-sheet * { visibility: visible !important; }
  body.printing-seven-day #seven-day-sheet { position: absolute; inset: 0; width: 100%; margin: 0; padding: 12mm; border: 0; box-shadow: none; }
  body.printing-seven-day .seven-day-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  body.printing-seven-day .seven-day-grid li:last-child { grid-column: 1 / -1; }
}