/* Ausgeology · Under our feet (Year 3 Science)
   The shared lesson design system: one reading column (about 68 characters)
   inside a 1080px frame; models and scenes use the full frame. The first
   block is shared by every lesson; the lesson's own tokens and blocks follow. */

:root {
  --bg: #eef0ec;
  --surface: #fbfcfa;
  --surface-2: #e2e7e2;
  --ink: #1a2124;
  --ink-2: #4a565a;
  --line: #c6cec9;
  --accent: #1f5f8b;
  --accent-ink: #ffffff;
  --accent-soft: #d6e5ef;
  --ochre: #b4501c;
  --ochre-band: #a5481a;
  --ochre-soft: #f6e2d4;
  --carbon: #1d2124;
  --carbon-ink: #ffffff;
  --sp-atm: #5b9fd0;
  --sp-atm-soft: #d9ebf7;
  --sp-hyd: #1f6f8a;
  --sp-hyd-soft: #d2e7ec;
  --sp-bio: #4f8a35;
  --sp-bio-soft: #dcecd2;
  --sp-geo: #9a5a2b;
  --sp-geo-soft: #efdcc9;
  --good: #2b7449;
  --good-soft: #dcefe3;
  --bad: #b3261e;
  --bad-soft: #f7dedc;
  --focus: #d99a00;
  --pop-bg: #1a2124;
  --pop-ink: #f2f4f2;
  --shadow: 0 1px 2px rgba(20, 30, 34, 0.06), 0 8px 24px rgba(20, 30, 34, 0.07);
  /* chart roles (validated with the dataviz palette script) */
  --viz-surface: #fbfcfa;
  --viz-1: #2a78d6;
  --viz-2: #eb6834;
  --viz-3: #1baf7a;
  --viz-dim: #b9b8ae;
  --viz-grid: #e1e0d9;
  --viz-axis: #c3c2b7;
  --viz-muted: #6f6e68;
  /* type */
  --font-display: "Archivo", "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --scale: 1;
  --radius: 12px;
  --steps: 10;
  --i-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.4 16.6 4.8 12l-1.6 1.6 6.2 6.2L21 8.2l-1.6-1.6z'/%3E%3C/svg%3E");
  --i-cross: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M18.4 4.2 12 10.6 5.6 4.2 4.2 5.6l6.4 6.4-6.4 6.4 1.4 1.4 6.4-6.4 6.4 6.4 1.4-1.4-6.4-6.4 6.4-6.4z'/%3E%3C/svg%3E");
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111517;
    --surface: #182024;
    --surface-2: #212a2f;
    --ink: #e6ebeb;
    --ink-2: #a9b5b8;
    --line: #2f3a3f;
    --accent: #7fb9e4;
    --accent-ink: #0b1822;
    --accent-soft: #1d3446;
    --ochre: #ec8a52;
    --ochre-band: #a5481a;
    --ochre-soft: #3d2416;
    --carbon: #0b0e10;
    --carbon-ink: #f2f4f2;
    --sp-atm: #7fb6dc;
    --sp-atm-soft: #1b3447;
    --sp-hyd: #5aa6bf;
    --sp-hyd-soft: #163640;
    --sp-bio: #7fb861;
    --sp-bio-soft: #1f3618;
    --sp-geo: #c98a55;
    --sp-geo-soft: #3d2816;
    --good: #66c792;
    --good-soft: #17372a;
    --bad: #f38b84;
    --bad-soft: #43201e;
    --focus: #ffcc4d;
    --pop-bg: #e6ebeb;
    --pop-ink: #111517;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    --viz-surface: #182024;
    --viz-1: #3987e5;
    --viz-2: #d95926;
    --viz-3: #199e70;
    --viz-dim: #5d6a6e;
    --viz-grid: #263034;
    --viz-axis: #3a464b;
    --viz-muted: #95a2a6;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #111517;
  --surface: #182024;
  --surface-2: #212a2f;
  --ink: #e6ebeb;
  --ink-2: #a9b5b8;
  --line: #2f3a3f;
  --accent: #7fb9e4;
  --accent-ink: #0b1822;
  --accent-soft: #1d3446;
  --ochre: #ec8a52;
  --ochre-band: #a5481a;
  --ochre-soft: #3d2416;
  --carbon: #0b0e10;
  --carbon-ink: #f2f4f2;
  --sp-atm: #7fb6dc;
  --sp-atm-soft: #1b3447;
  --sp-hyd: #5aa6bf;
  --sp-hyd-soft: #163640;
  --sp-bio: #7fb861;
  --sp-bio-soft: #1f3618;
  --sp-geo: #c98a55;
  --sp-geo-soft: #3d2816;
  --good: #66c792;
  --good-soft: #17372a;
  --bad: #f38b84;
  --bad-soft: #43201e;
  --focus: #ffcc4d;
  --pop-bg: #e6ebeb;
  --pop-ink: #111517;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  --viz-surface: #182024;
  --viz-1: #3987e5;
  --viz-2: #d95926;
  --viz-3: #199e70;
  --viz-dim: #5d6a6e;
  --viz-grid: #263034;
  --viz-axis: #3a464b;
  --viz-muted: #95a2a6;
  color-scheme: dark;
}

/* ---------- base ---------- */
html { font-size: calc(100% * var(--scale)); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
img, svg, canvas { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 0.18em; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
p { margin: 0; }
.ul { text-decoration: underline; text-decoration-thickness: 0.09em; text-underline-offset: 0.16em; text-decoration-skip-ink: none; }

.wrap {
  max-width: 1080px;
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.prose { max-width: 68ch; }
.prose > * + * { margin-top: 0.85em; }
.prose ul, .prose ol { padding-left: 1.3em; margin-bottom: 0; }
.prose li + li { margin-top: 0.4em; }
.small { font-size: 0.92rem; color: var(--ink-2); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--accent); color: var(--accent-ink); padding: 10px 16px; border-radius: 8px;
  font-weight: 700; text-decoration: none;
}
.skip:focus { top: 12px; }

/* ---------- header ---------- */
.site-head { background: var(--surface); border-bottom: 1px solid var(--line); }
.head-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 18px; padding-block: 12px 10px; }
.brand {
  font-family: var(--font-display); font-weight: 800; font-stretch: 118%;
  font-size: 1.2rem; letter-spacing: -0.01em; line-height: 1;
}
.brand i { font-style: normal; color: var(--ochre); }
.back {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.92rem; font-weight: 600; text-decoration: none; margin-right: auto;
}
.back:hover { text-decoration: underline; }
.back svg { width: 18px; height: 18px; }
.tools { display: flex; gap: 6px; flex-wrap: wrap; }
.tool {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px; padding: 6px 12px; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--bg); color: var(--ink);
  font-size: 0.9rem; font-weight: 600; cursor: pointer;
}
.tool:hover { border-color: var(--accent); }
.tool svg { width: 18px; height: 18px; flex: none; }
.tool[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.tool-val { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; }

.rail-nav { padding-block: 2px 12px; }
.rail { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(var(--steps, 10), minmax(0, 1fr)); gap: 4px; }
.rail-btn {
  width: 100%; display: grid; gap: 5px; padding: 4px 0; border: 0; background: none;
  text-align: left; cursor: pointer; color: var(--ink-2); border-radius: 4px;
}
.rail-bar { height: 6px; border-radius: 3px; background: var(--surface-2); transition: background-color 0.2s; }
.rail-btn:hover .rail-bar { background: var(--line); }
.rail-btn.is-done .rail-bar { background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }
.rail-btn[aria-current="step"] .rail-bar { background: var(--accent); box-shadow: none; }
.rail-t { font-family: var(--font-mono); font-size: 0.7rem; line-height: 1.25; letter-spacing: 0.02em; }
.rail-t b { display: block; font-weight: 600; color: var(--ink); }
.rail-btn[aria-current="step"] .rail-t { color: var(--ink); }
.rail-now { display: none; font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-2); margin-top: 6px; }
.rail-now b { color: var(--ink); font-weight: 600; }

/* ---------- screens ---------- */
.js .screen:not(.is-active) { display: none; }
.screen { padding-block: 36px 56px; }
.screen-inner { display: grid; gap: 28px; }
.screen-inner > *, .section > *, .hero > *, .checks > *, .lab-body > * { min-width: 0; }
.screen-head { display: grid; gap: 8px; }
.eyebrow {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--ink-2);
}
.display {
  font-family: var(--font-display); font-weight: 800; font-stretch: 116%;
  letter-spacing: -0.015em; line-height: 1; margin: 0; text-wrap: balance;
}
h1.display { font-size: clamp(2.7rem, 1.3rem + 5.6vw, 5.4rem); line-height: 0.95; }
h2.display { font-size: clamp(2rem, 1.25rem + 2.8vw, 3.1rem); }
h2.display:focus, h1.display:focus { outline: none; }
h3 {
  font-family: var(--font-display); font-weight: 750; font-stretch: 108%;
  font-size: 1.32rem; line-height: 1.2; margin: 0; text-wrap: balance; letter-spacing: -0.005em;
}
.display .dot { color: var(--ochre); }
.lede { font-size: 1.28rem; line-height: 1.5; max-width: 60ch; }
.section { display: grid; gap: 14px; }

/* ---------- hero ---------- */
.hero { display: grid; gap: 20px; padding-bottom: 8px; }
.fig-tag {
  position: absolute; right: 8px; top: 8px; font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.06em; text-transform: uppercase; background: rgba(0, 0, 0, 0.45); color: #fff;
  padding: 2px 6px; border-radius: 4px;
}
.country {
  max-width: 76ch; background: var(--surface-2); border-radius: var(--radius);
  padding: 16px 18px; font-size: 1rem; display: grid; gap: 6px;
}
.country b { font-weight: 700; }

.goals { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.goal-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; display: grid; gap: 10px; align-content: start; }
.goal-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.goal-card li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 8px; align-items: start; line-height: 1.45; }
.sc-num {
  width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600;
  border: 1.5px solid var(--accent); color: var(--accent); margin-top: 1px;
}
.label {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-2);
}

/* ---------- teaching blocks ---------- */
.key-idea {
  max-width: 68ch; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 20px 18px; display: grid; gap: 6px;
}
.key-idea .label { display: inline-flex; align-items: center; gap: 8px; }
.key-idea .label::before { content: ""; width: 14px; height: 14px; border-radius: 3px; background: var(--accent); }
.key-idea p { font-size: 1.26rem; font-weight: 700; line-height: 1.4; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; max-width: 72ch; counter-reset: step; }
.steps > li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; align-items: start; counter-increment: step; }
.steps > li::before {
  content: counter(step); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: var(--ochre-band); color: #fff; font-family: var(--font-mono); font-weight: 600; font-size: 0.85rem; margin-top: 1px;
}
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 1rem; line-height: 1.45; }
caption { text-align: left; padding: 12px 14px 0; font-weight: 700; }
th, td { text-align: left; vertical-align: top; padding: 10px 14px; border-bottom: 1px solid var(--line); }
thead th {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-2); background: var(--surface-2);
}
tbody tr:last-child > * { border-bottom: 0; }
tbody th { font-weight: 700; }
td.time, th.time { font-variant-numeric: tabular-nums; }

details.more { max-width: 72ch; border: 1px dashed var(--line); border-radius: var(--radius); padding: 0 18px; background: transparent; }
details.more > summary { cursor: pointer; padding: 14px 0; font-weight: 700; list-style: none; display: flex; align-items: center; gap: 10px; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before {
  content: "+"; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; flex: none;
  border: 1.5px solid var(--accent); color: var(--accent); font-family: var(--font-mono); font-size: 0.95rem; line-height: 1;
}
details.more[open] > summary::before { content: "\2212"; }
details.more > .more-body { padding: 0 0 18px; display: grid; gap: 12px; }
details.reveal > summary { list-style: none; width: fit-content; }
details.reveal > summary::-webkit-details-marker { display: none; }
details.reveal[open] > summary { display: none; }
.tag-ext { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); font-weight: 500; }

/* ---------- labs ---------- */
.lab { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.lab-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 16px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.lab-head h3 { font-size: 1.15rem; }
.lab-head .label { color: var(--accent); }
.lab-body { padding: 16px 18px 18px; display: grid; gap: 14px; }
.lab-body > p.small { max-width: 72ch; }
.lab canvas { display: block; width: 100%; border-radius: 10px; background: #2a1810; }
.lab .canvas-light { background: #cfe3ec; }
.lab-controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.status {
  margin: 0; min-height: 3.3em; padding: 12px 14px; border-radius: 10px;
  background: var(--surface-2); font-size: 1rem; line-height: 1.5;
}
.model-note { font-size: 0.92rem; color: var(--ink-2); max-width: 75ch; }
.model-note b { color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 9px 16px;
  border-radius: 999px; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink);
  font-size: 1rem; font-weight: 650; line-height: 1.2; cursor: pointer; text-align: left; text-decoration: none;
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn small { font-weight: 500; font-size: 0.82rem; opacity: 0.85; }

.slider-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; }
.slider-row .label { white-space: nowrap; }
input[type="range"] { width: 100%; accent-color: var(--ochre); height: 32px; cursor: pointer; }
.stage-name { font-family: var(--font-display); font-weight: 800; font-stretch: 112%; font-size: 1.3rem; }

/* ---------- checks for understanding ---------- */
.checks { display: grid; gap: 16px; }
.check {
  max-width: 780px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 18px 20px 20px; display: grid; gap: 12px;
}
.check-head { display: flex; justify-content: space-between; gap: 12px; }
.check-q { font-weight: 700; font-size: 1.12rem; line-height: 1.45; }
.check-opts { display: grid; gap: 8px; }
.opt {
  position: relative; display: block; width: 100%; text-align: left; cursor: pointer;
  padding: 12px 14px 12px 48px; border-radius: 12px; border: 1.5px solid var(--line);
  background: var(--bg); color: var(--ink); line-height: 1.45; font-size: 1.02rem;
}
.opt:hover:not(:disabled) { border-color: var(--accent); }
.opt::before {
  content: attr(data-letter); position: absolute; left: 13px; top: 11px; width: 24px; height: 24px;
  border-radius: 50%; border: 1.5px solid var(--ink-2); color: var(--ink-2);
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600; line-height: 21px; text-align: center;
}
.opt.is-right { border-color: var(--good); background: var(--good-soft); }
.opt.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
.opt.is-right::before, .opt.is-wrong::before { content: ""; border: 0; border-radius: 0; }
.opt.is-right::before { background: var(--good); -webkit-mask: var(--i-check) center / 22px no-repeat; mask: var(--i-check) center / 22px no-repeat; }
.opt.is-wrong::before { background: var(--bad); -webkit-mask: var(--i-cross) center / 20px no-repeat; mask: var(--i-cross) center / 20px no-repeat; }
.opt:disabled { cursor: default; }
.opt:disabled:not(.is-right):not(.is-wrong) { opacity: 0.6; }
.fb { padding: 12px 14px; border-radius: 10px; font-size: 1rem; line-height: 1.5; background: var(--surface-2); }
.fb.is-right { background: var(--good-soft); }
.fb.is-wrong { background: var(--bad-soft); }
.fb strong { font-weight: 800; }
.fb.is-right strong { color: var(--good); }
.fb.is-wrong strong { color: var(--bad); }

/* ---------- exit check and results ---------- */
.results { max-width: 820px; background: var(--surface); border: 1.5px solid var(--accent); border-radius: 16px; padding: 18px 20px; display: grid; gap: 12px; }
.results-score { font-family: var(--font-display); font-weight: 800; font-stretch: 112%; font-size: 2rem; line-height: 1.1; }
.sc-results { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sc-results li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; align-items: start; line-height: 1.45; }
.sc-icon { width: 24px; height: 24px; border-radius: 50%; margin-top: 1px; }
.sc-icon.ok { background: var(--good); -webkit-mask: var(--i-check) center / 20px no-repeat; mask: var(--i-check) center / 20px no-repeat; }
.sc-icon.todo { border: 2px solid var(--line); }
.sc-review { font-size: 0.95rem; }
.offline { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.offline-links { display: flex; flex-wrap: wrap; gap: 8px; }
.teacher { max-width: 80ch; }
.teacher .more-body h3 { font-size: 1.05rem; margin-top: 6px; }
.teacher blockquote { margin: 0; padding: 10px 14px; border-radius: 10px; background: var(--surface-2); font-style: italic; }
.teacher ul { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }
.confirm-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* ---------- screen navigation ---------- */
.screen-nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 22px; border-top: 1px solid var(--line); }
.screen-nav .next { margin-left: auto; }
.screen-nav .btn { max-width: 100%; }

/* ---------- glossary ---------- */
.term { cursor: help; border-bottom: 2px dotted var(--accent); border-radius: 2px; }
.term:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; }
.term:hover, .term[aria-expanded="true"] { color: var(--accent); }
.term-pop {
  position: absolute; z-index: 60; width: max-content; max-width: min(340px, calc(100vw - 32px));
  background: var(--pop-bg); color: var(--pop-ink); border-radius: 12px; padding: 12px 14px 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25); font-size: 0.98rem; line-height: 1.45; display: grid; gap: 4px;
}
.term-pop b { font-size: 1.02rem; }
.term-pop button { justify-self: start; margin-top: 4px; background: none; border: 0; padding: 4px 0; color: inherit; text-decoration: underline; cursor: pointer; font-size: 0.9rem; }
dialog.glossary {
  border: 0; border-radius: 18px; padding: 0; width: min(680px, calc(100vw - 32px)); max-height: min(84vh, 760px);
  background: var(--surface); color: var(--ink); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
dialog.glossary::backdrop { background: rgba(10, 14, 16, 0.55); }
.gl-head { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 20px; background: var(--surface); border-bottom: 1px solid var(--line); }
.gl-head h2 { font-family: var(--font-display); font-weight: 800; font-stretch: 112%; font-size: 1.5rem; margin: 0; }
.gl-list { margin: 0; padding: 12px 20px 20px; display: grid; gap: 12px; }
.gl-list dt { font-weight: 800; }
.gl-list dd { margin: 2px 0 0; color: var(--ink-2); line-height: 1.5; }

/* read aloud */
.is-reading { background: var(--accent-soft); box-shadow: 0 0 0 4px var(--accent-soft); border-radius: 4px; }

.site-foot { border-top: 1px solid var(--line); background: var(--surface); }
.site-foot .wrap { padding-block: 18px 24px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; font-size: 0.9rem; color: var(--ink-2); }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .goals { grid-template-columns: minmax(0, 1fr); }
  .rail-t { display: none; }
  .rail-now { display: block; }
  .offline { grid-template-columns: minmax(0, 1fr); }
  .tool-label { display: none; }
  .tool { padding: 6px 10px; }
}
@media (max-width: 520px) {
  body { font-size: 1.0625rem; }
  .screen { padding-block: 26px 44px; }
  .lab-head, .lab-body { padding-left: 14px; padding-right: 14px; }
  .check { padding: 16px; }
  .slider-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .slider-row input { grid-column: 1 / -1; grid-row: 1; }
  .slider-row .hi { text-align: right; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}



/* ---------- Under our feet (Year 3): lesson tokens and shared blocks ----------
   Ochre red is the accent: the colour of the ground in most of Australia and
   of the pigment on screen 8. Type and targets are a step larger again than
   the Year 5 lesson: these readers are eight and nine. */
:root {
  --accent: #9c3a1e;
  --accent-ink: #ffffff;
  --accent-soft: #f5e1d8;
  --water: #2f7fb9;
  --water-soft: #d7e8f5;
  --sun: #e9a83a;
  --sun-soft: #fdf0d2;
  --sc-sky: #d6e9f6;
  --sc-sky-2: #aed3ec;
  --sc-sea: #2f7fb9;
  --sc-cloud: #ffffff;
  --sc-grass: #8cbb63;
  --sc-grass-2: #6fa14b;
  --sc-sand: #e2c48a;
  --sc-soil: #8a5a36;
  --sc-soil-2: #5e3c22;
  --sc-sub: #b07a4a;
  --sc-rock: #9c8a78;
  --sc-rock-2: #7b6b5b;
  --sc-trunk: #7a5637;
  --sc-ink: #1a2124;
  --sc-halo: rgba(255, 255, 255, 0.88);
  --sc-panel: rgba(255, 255, 255, 0.9);
  --tray: #2c3236;
  --tray-2: #3a4247;
  --tray-ink: #f1f3f1;
  --tile: #f4f1ea;
  --g-a: #c6711f; --g-b: #2b7449; --g-c: #2f7fb9; --g-d: #6c4fa8;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent: #ef9b7a; --accent-ink: #1d0d07; --accent-soft: #3d1f15;
    --water: #5aa7e6; --water-soft: #1b3348;
    --sun: #f0b94f; --sun-soft: #3d3014;
    --sc-sky: #27465c; --sc-sky-2: #1c3447; --sc-sea: #2b6c9b; --sc-cloud: #dfe7ee;
    --sc-grass: #5f8f45; --sc-grass-2: #4a7536; --sc-sand: #b89a63; --sc-soil: #6b4529; --sc-soil-2: #4a2f1b; --sc-sub: #8a5f39;
    --sc-rock: #6f6358; --sc-rock-2: #4f453d; --sc-trunk: #5e4229;
    --sc-ink: #e6ebeb; --sc-halo: rgba(17, 21, 23, 0.88); --sc-panel: rgba(24, 32, 36, 0.92);
    --tray: #0f1315; --tray-2: #1d2428; --tile: #d9d5cc;
  }
}
:root[data-theme="dark"] {
  --accent: #ef9b7a; --accent-ink: #1d0d07; --accent-soft: #3d1f15;
  --water: #5aa7e6; --water-soft: #1b3348;
  --sun: #f0b94f; --sun-soft: #3d3014;
  --sc-sky: #27465c; --sc-sky-2: #1c3447; --sc-sea: #2b6c9b; --sc-cloud: #dfe7ee;
  --sc-grass: #5f8f45; --sc-grass-2: #4a7536; --sc-sand: #b89a63; --sc-soil: #6b4529; --sc-soil-2: #4a2f1b; --sc-sub: #8a5f39;
  --sc-rock: #6f6358; --sc-rock-2: #4f453d; --sc-trunk: #5e4229;
  --sc-ink: #e6ebeb; --sc-halo: rgba(17, 21, 23, 0.88); --sc-panel: rgba(24, 32, 36, 0.92);
  --tray: #0f1315; --tray-2: #1d2428; --tile: #d9d5cc;
}

/* a step larger for Year 3 readers */
body { font-size: 1.24rem; line-height: 1.62; }
.lede { font-size: 1.38rem; line-height: 1.5; max-width: 52ch; }
.prose { max-width: 60ch; }
h3 { font-size: 1.38rem; }
.btn { min-height: 52px; padding: 11px 18px; font-size: 1.08rem; }
.tool { min-height: 44px; }
.check-q { font-size: 1.22rem; }
.opt { font-size: 1.12rem; padding: 15px 14px 15px 52px; }
.opt::before { top: 14px; }
.key-idea p { font-size: 1.32rem; }
.small { font-size: 1rem; }
.label { font-size: 0.78rem; }
input[type="range"] { height: 44px; accent-color: var(--accent); }
.status { font-size: 1.1rem; min-height: 3.4em; }
.fb { font-size: 1.08rem; }
.eyebrow { font-size: 0.84rem; }
.steps > li::before { background: var(--accent); }

/* the hero scene */
.hero-fig { position: relative; margin: 0; border-radius: 18px; overflow: hidden; background: var(--sc-sky); box-shadow: var(--shadow); }
.hero-fig svg { display: block; width: 100%; height: auto; }
.hero-fig figcaption { padding: 12px 16px; background: var(--surface); border-top: 1px solid var(--line); font-size: 1.02rem; color: var(--ink-2); }

/* the three big words, as questions */
.words { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 900px; border-radius: 14px; overflow: hidden; }
.word { color: #fff; padding: 18px 18px 16px; display: grid; gap: 4px; align-content: end; min-height: 112px; }
.word b { font-family: var(--font-display); font-weight: 800; font-stretch: 112%; font-size: 1.4rem; line-height: 1.1; }
.word span { font-size: 1rem; line-height: 1.35; opacity: 0.96; }
.word.w-rock { background: #6b5b4e; } .word.w-min { background: #6c4fa8; } .word.w-soil { background: #8a4b1a; }

/* the step chip on each screen head: the step of the inductive cycle */
.phase { display: inline-flex; align-items: center; gap: 8px; width: fit-content; padding: 4px 12px 4px 6px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 0.94rem; font-weight: 700; }
.phase i { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700; color: #fff; background: var(--accent); }
.phase.p-look i { background: #c6711f; } .phase.p-name i { background: #6c4fa8; } .phase.p-test i { background: #2b7449; } .phase.p-use i { background: #2f7fb9; } .phase.p-show i { background: #9a3d6b; }

/* notebook boxes */
.note { display: grid; gap: 6px; max-width: 72ch; }
.note label, .note .field-label { font-weight: 700; line-height: 1.4; }
.note .hint { font-size: 1rem; color: var(--ink-2); font-weight: 400; }
.note textarea, .note input[type="text"] {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 10px 12px; font: inherit; font-size: 1.1rem;
  color: var(--ink); background-color: var(--surface);
}
.note textarea {
  min-height: 6.4em; resize: vertical; line-height: 2.1rem; padding-top: 6px;
  background-image: repeating-linear-gradient(180deg, transparent 0 calc(2.1rem - 1px), var(--line) calc(2.1rem - 1px) 2.1rem);
  background-attachment: local; background-position: 0 6px;
}
.note textarea:focus, .note input[type="text"]:focus { border-color: var(--accent); outline: 2px solid var(--accent-soft); outline-offset: 0; }
.notebook { display: grid; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px 20px; max-width: 820px; }
.notebook > h3 { display: flex; align-items: center; gap: 10px; }
.notebook > h3::before { content: ""; width: 20px; height: 22px; flex: none; border-radius: 3px 5px 5px 3px; background: var(--accent); box-shadow: inset 4px 0 0 rgba(255, 255, 255, 0.3); }
.readback { margin: 0; padding: 12px 14px; border-radius: 10px; background: var(--accent-soft); font-size: 1.06rem; line-height: 1.45; max-width: 72ch; }
.readback:empty { display: none; }
.key-idea p.label { font-size: 0.78rem; font-weight: 600; line-height: 1.3; }

/* try it for real, and ask first */
.tryit { max-width: 76ch; display: grid; gap: 10px; background: var(--sun-soft); border: 1px solid var(--line); border-left: 6px solid var(--sun); border-radius: 6px 16px 16px 6px; padding: 16px 20px 18px; }
.tryit h3 { font-size: 1.18rem; }
.tryit ol, .tryit ul { margin: 0; padding-left: 1.3em; display: grid; gap: 6px; }
.tryit .small { color: var(--ink-2); }
.askfirst { max-width: 76ch; display: grid; gap: 8px; background: var(--surface); border: 1px solid var(--line); border-left: 6px solid #6b5b4e; border-radius: 6px 16px 16px 6px; padding: 16px 20px 18px; }

/* place cards */
.place-card { max-width: 76ch; display: grid; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-left: 6px solid var(--accent); border-radius: 6px 16px 16px 6px; padding: 18px 20px; }
.place-card .where { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }

/* ---------- scenes ---------- */
.stage { position: relative; border-radius: 12px; overflow: hidden; background: var(--sc-sky); }
.stage svg { display: block; width: 100%; height: auto; }
.sc-text { font-family: var(--font-body); font-weight: 700; font-size: 18px; fill: var(--sc-ink); paint-order: stroke; stroke: var(--sc-halo); stroke-width: 5px; stroke-linejoin: round; text-anchor: middle; }
.sc-text-s { font-size: 15px; font-weight: 600; }
.sc-tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; fill: var(--sc-ink); opacity: 0.8; }
.hit { cursor: pointer; }
.hit:focus { outline: none; }
.hit:focus-visible .ring, .hit:hover .ring { stroke: var(--focus); stroke-width: 4; opacity: 1; }

/* ---------- rock detectives ---------- */
.tray { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; background: var(--tray); border-radius: 14px; padding: 12px; }
.spec { display: grid; gap: 4px; justify-items: center; padding: 8px 4px 10px; border-radius: 12px; border: 2px solid transparent; background: var(--tray-2); color: var(--tray-ink); cursor: pointer; font-weight: 700; font-size: 0.98rem; line-height: 1.2; text-align: center; min-height: 52px; }
.spec img { width: 100%; max-width: 110px; aspect-ratio: 1; object-fit: contain; filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.45)); }
.spec:hover { border-color: rgba(255, 255, 255, 0.4); }
.spec[aria-pressed="true"] { border-color: var(--focus); background: #4a545a; }
.spec .seen { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500; opacity: 0.8; min-height: 1em; }
.spec { overflow-wrap: anywhere; hyphens: auto; }
.hoop-ta { fill: #a35a14; } .hoop-tb { fill: #1f6397; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .hoop-ta { fill: #f0a868; } :root:not([data-theme="light"]) .hoop-tb { fill: #8cc4ec; } }
:root[data-theme="dark"] .hoop-ta { fill: #f0a868; } :root[data-theme="dark"] .hoop-tb { fill: #8cc4ec; }
[data-hoops] { --mat: #eeeae1; --mat-line: #968e80; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) [data-hoops] { --mat: #232c31; --mat-line: #6f7b80; } }
:root[data-theme="dark"] [data-hoops] { --mat: #232c31; --mat-line: #6f7b80; }
.hoop-mat { fill: var(--mat); stroke: var(--mat-line); stroke-width: 2.5; stroke-dasharray: 10 8; }
.hoop-base { fill: var(--surface); }
.sc-text.hoop-lab { stroke: var(--mat); }
.sc-text.hoop-tn { text-anchor: start; }
.hoop-plain { font-weight: 400; }
.hoop-arrow { fill: none; stroke: var(--sc-ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.rockcard { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 18px; align-items: start; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.rockcard .pics { position: relative; }
.rockcard .pics img.whole { width: 100%; aspect-ratio: 1; object-fit: contain; }
.rockcard .lens { position: absolute; right: -6px; bottom: -6px; width: 46%; aspect-ratio: 1; border-radius: 50%; overflow: hidden; border: 5px solid #2c3236; box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35); background: #222; }
.rockcard .lens img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rockcard .lens::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.45); }
.rockcard h4 { font-family: var(--font-display); font-weight: 800; font-stretch: 112%; font-size: 1.6rem; margin: 0 0 6px; }
.obs { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.obs li { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 10px; line-height: 1.4; }
.obs b { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; padding-top: 3px; }
.hoop-rounds { display: flex; flex-wrap: wrap; gap: 8px; }
.hoop-pick { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-width: 640px; }
.hoop-pick select { min-height: 48px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--surface); padding: 6px 10px; font-size: 1.05rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 4px 14px 4px 4px; min-height: 52px; border-radius: 999px; border: 2px solid var(--line); background: var(--surface); cursor: pointer; font-weight: 700; font-size: 1rem; }
.chip img { width: 42px; height: 42px; object-fit: contain; }
.chip[aria-pressed="true"] { border-color: var(--focus); box-shadow: 0 0 0 3px rgba(217, 154, 0, 0.3); }
.chip.is-placed { opacity: 0.55; }
.chip.is-right { border-color: var(--good); } .chip.is-wrong { border-color: var(--bad); }
.hoops-fb { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; max-width: 72ch; }
.hoops-fb li { padding: 8px 12px; border-radius: 10px; background: var(--bad-soft); line-height: 1.4; }
.hoops-fb li.ok { background: var(--good-soft); }

/* ---------- inside a rock ---------- */
.zoom-read { font-family: var(--font-display); font-weight: 800; font-stretch: 112%; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.recipes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.recipe { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px 16px; display: grid; gap: 8px; align-content: start; }
.recipe b.r-name { font-family: var(--font-display); font-weight: 800; font-stretch: 110%; font-size: 1.2rem; }
.recipe .mix { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-weight: 700; }
.recipe .mix span { padding: 3px 10px; border-radius: 999px; background: var(--surface-2); font-size: 0.95rem; }
.recipe p { font-size: 1.02rem; line-height: 1.45; }

/* ---------- mineral detectives ---------- */
.bench { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 14px; }
.bench .stage { background: var(--tray); }
.samples { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; background: var(--tray); border-radius: 14px; padding: 10px; }
.samples .spec b { font-family: var(--font-display); font-size: 1.3rem; }
.tests { display: grid; gap: 10px; align-content: start; }
.tests .lab-controls .btn { min-width: 0; }
.results-tbl td, .results-tbl th { padding: 8px 10px; font-size: 1rem; }
.results-tbl td.blank { color: var(--ink-2); }
.results-tbl .swatch { display: inline-block; width: 18px; height: 18px; border-radius: 4px; vertical-align: -3px; margin-right: 6px; border: 1px solid rgba(0, 0, 0, 0.25); }
.guide { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.gcard { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px 14px; display: grid; gap: 6px; align-content: start; }
.gcard b { font-family: var(--font-display); font-weight: 800; font-stretch: 110%; font-size: 1.12rem; }
.gcard p { font-size: 0.98rem; line-height: 1.4; }
.gcard .use { display: none; padding-top: 6px; border-top: 1px dashed var(--line); }
.guide.show-uses .gcard .use { display: block; }
.namer { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.namer label { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 8px; align-items: center; background: var(--surface); border: 1.5px solid var(--line); border-radius: 12px; padding: 8px 10px; font-weight: 700; }
.namer label b { font-family: var(--font-display); font-size: 1.4rem; text-align: center; }
.namer select { min-height: 44px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--bg); font-size: 1rem; padding: 4px 6px; width: 100%; }
.namer label.is-right { border-color: var(--good); background: var(--good-soft); }
.namer label.is-wrong { border-color: var(--bad); background: var(--bad-soft); }

/* ---------- soils ---------- */
.found { font-weight: 700; }
.soilsort { display: grid; gap: 8px; }
.ss-row { display: grid; grid-template-columns: minmax(150px, 0.8fr) minmax(0, 2fr); gap: 10px; align-items: center; background: var(--surface); border: 1.5px solid var(--line); border-radius: 12px; padding: 8px 12px; }
.ss-row.is-right { border-color: var(--good); } .ss-row.is-wrong { border-color: var(--bad); }
.ss-row b { font-size: 1.05rem; }
.ss-row .fb { grid-column: 1 / -1; padding: 8px 10px; }
.sort-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.sort-btn { min-height: 44px; padding: 6px 12px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); font-weight: 700; font-size: 0.95rem; cursor: pointer; }
.sort-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.sort-btn:disabled { cursor: default; opacity: 0.7; }
.soilcards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.soilcard { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px 16px; display: grid; gap: 6px; align-content: start; }
.soilcard img { width: 100%; max-width: 220px; justify-self: center; aspect-ratio: 1; object-fit: contain; }
.soilcard b { font-family: var(--font-display); font-weight: 800; font-stretch: 110%; font-size: 1.2rem; }
.soilcard p { font-size: 1.02rem; line-height: 1.45; }
.fact { max-width: 72ch; display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 12px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; }
.fact svg { width: 48px; height: 48px; }

/* ---------- which soil holds water ---------- */
.readings { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.readings label { display: grid; gap: 4px; font-weight: 700; }
.readings .inrow { display: flex; align-items: center; gap: 8px; }
.readings input { width: 100%; min-height: 48px; border: 1.5px solid var(--line); border-radius: 10px; padding: 6px 10px; font-size: 1.2rem; font-variant-numeric: tabular-nums; background: var(--surface); }
.readings input.is-right { border-color: var(--good); background: var(--good-soft); }
.readings input.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
.data-tbl td.num, .data-tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.graph-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 10px; }
.graph-wrap svg { display: block; width: 100%; height: auto; touch-action: none; }
.bar-handle { cursor: ns-resize; }
.bar-handle:focus { outline: none; }
.bar-handle:focus-visible rect.grip { stroke: var(--focus); stroke-width: 4; }
.tags { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.ptag { position: relative; background: #fffdf6; color: #1a2124; border: 1px solid #d9d2c3; border-radius: 10px 10px 18px 18px; padding: 34px 14px 14px; display: grid; gap: 8px; box-shadow: var(--shadow); }
.ptag::before { content: ""; position: absolute; left: 50%; top: 10px; width: 16px; height: 16px; margin-left: -8px; border-radius: 50%; background: var(--bg); border: 2px solid #c9c0ad; }
.ptag svg { width: 84px; height: 84px; justify-self: center; }
.ptag b { font-family: var(--font-display); font-weight: 800; font-stretch: 110%; font-size: 1.18rem; text-align: center; }
.ptag .say { font-size: 1rem; line-height: 1.4; text-align: center; font-style: italic; }
.ptag .fb { font-size: 0.98rem; }
.ptag .sort-btns { justify-content: center; }
.ptag .sort-btn { background: #fff; color: #1a2124; border-color: #c9c0ad; }
.ptag .sort-btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.ptag .fb { background: #efe9dc; color: #1a2124; }
.ptag .fb.is-right { background: #dcefe3; } .ptag .fb.is-wrong { background: #f7dedc; }
.vocab { display: flex; flex-wrap: wrap; gap: 8px; }
.vocab span { padding: 6px 12px; border-radius: 10px; background: var(--surface-2); font-size: 1rem; line-height: 1.35; }

/* ---------- from the ground ---------- */
.home-panel, .map-panel { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; display: grid; gap: 10px; min-height: 9em; }
.home-panel h4, .map-panel h4 { font-family: var(--font-display); font-weight: 800; font-stretch: 112%; font-size: 1.35rem; margin: 0; }
.home-panel .ask { font-weight: 700; }
.kind { display: inline-block; padding: 2px 10px; border-radius: 999px; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; color: #fff; }
.kind.k-rock { background: #6b5b4e; } .kind.k-mineral { background: #6c4fa8; } .kind.k-soil { background: #8a4b1a; }
.map-panel .dug { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; align-items: center; }
.map-panel .dug img { width: 64px; height: 64px; object-fit: contain; }

/* ---------- on Country ---------- */
.jobs { display: grid; gap: 14px; }
.job { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px 16px; display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 16px; align-items: start; }
.job svg { width: 100%; height: auto; border-radius: 10px; background: var(--surface-2); }
.job h4 { font-family: var(--font-display); font-weight: 800; font-stretch: 110%; font-size: 1.3rem; margin: 0 0 8px; }
.stones { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.stone { display: grid; gap: 2px; justify-items: center; padding: 6px 4px 8px; border-radius: 12px; border: 2px solid var(--line); background: var(--bg); cursor: pointer; font-weight: 700; font-size: 0.95rem; }
.stone img { width: 100%; max-width: 84px; aspect-ratio: 1; object-fit: contain; }
.stone.is-right { border-color: var(--good); background: var(--good-soft); }
.stone.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
.stone:disabled { cursor: default; }
.job .fb { margin-top: 10px; }

.only-narrow { display: none; }
@media (max-width: 860px) {
  .tray { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bench { grid-template-columns: minmax(0, 1fr); }
  .guide, .namer { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .words { grid-template-columns: minmax(0, 1fr); }
  .rockcard { grid-template-columns: minmax(0, 1fr); }
  .rockcard .pics { max-width: 260px; justify-self: center; }
  .recipes, .soilcards, .tags, .readings { grid-template-columns: minmax(0, 1fr); }
  .samples { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hoop-pick { grid-template-columns: minmax(0, 1fr); }
  .job { grid-template-columns: minmax(0, 1fr); }
  .job svg { max-width: 320px; }
  .ss-row { grid-template-columns: minmax(0, 1fr); }
  .obs li { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .only-narrow { display: block; }
}
@media (max-width: 520px) {
  body { font-size: 1.12rem; }
  .spec { font-size: 0.86rem; }
  .tray { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .guide, .namer { grid-template-columns: minmax(0, 1fr); }
  .stones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}