:root {
  --bg: oklch(0.973 0.002 247.839);
  --surface: oklch(1 0 0);
  --subtle: oklch(0.963 0.003 247.859);
  --ink: oklch(0.208 0.04 265.755);
  --muted: oklch(0.554 0.041 257.417);
  --accent: oklch(0.511 0.086 186.391);
  --accent-hover: oklch(0.437 0.071 188.216);
  --accent-ink: oklch(0.984 0.003 247.858);
  --danger: oklch(0.5 0.16 23.479);
  --radius: 10px;
  --gap: 8px;
  --margin: 12px;
  --font-display: "IBM Plex Sans", "Noto Sans", system-ui, sans-serif;
  --font-text: "Noto Sans", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);
  --t-press: 160ms;
  --t-hover: 180ms;
  --t-reveal: 700ms;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 16px;
  line-height: 1.5;
}
button, input, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  text-wrap: balance;
  letter-spacing: -0.03em;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--accent-ink); }

.board { padding: var(--margin); display: grid; gap: var(--gap); }

.tile {
  border-radius: var(--radius);
  background: var(--surface);
  min-width: 0;
}
.tile.ink { background: var(--ink); color: var(--accent-ink); }
.tile.accent { background: var(--accent); color: var(--accent-ink); }
.tile.subtle { background: var(--subtle); }

.board-bar {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: var(--gap);
  min-height: 64px;
}
.mark, .bar-action {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
}
.mark { background: var(--ink); color: var(--accent-ink); font-size: 20px; }
.bar-links {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 24px;
  background: var(--subtle);
}
.bar-links a { text-decoration: none; font-weight: 600; }
.bar-action {
  background: var(--accent);
  color: var(--accent-ink);
  min-width: 128px;
  transition: transform var(--t-press) var(--ease-out), background-color var(--t-hover) ease;
}
.bar-action:active { transform: scale(0.96); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: minmax(240px, 34vh) minmax(220px, 28vh);
  gap: var(--gap);
}
.wordmark {
  display: flex;
  align-items: flex-end;
  padding: 24px;
  max-width: 100%;
  overflow: hidden;
  font-size: clamp(64px, 10vw, 140px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  font-weight: 500;
}
.statement {
  display: flex;
  align-items: flex-start;
  padding: 24px;
  font-size: 24px;
  line-height: 1.35;
  font-weight: 500;
}
.hero-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.ui-sample { padding: 24px; display: flex; flex-direction: column; justify-content: flex-end; gap: 12px; }
.ui-sample p { font-size: 16px; }
.control {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: var(--radius);
  background: var(--subtle);
}
.control span:last-child { color: oklch(0.446 0.037 257.281); white-space: nowrap; }
.shutter { overflow: hidden; }

.who-board {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr) minmax(0, 1fr);
  gap: var(--gap);
}
.who-board label, .field {
  display: grid;
  gap: 8px;
  align-content: end;
  padding: 20px;
  background: var(--surface);
  border-radius: var(--radius);
}
.who-board span, .field span { font-weight: 600; }
#progress {
  padding: 20px;
  background: var(--subtle);
  border-radius: var(--radius);
}

input[type="text"], input[type="date"], input[type="password"], textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid oklch(0.208 0.04 265.755 / 0.14); /* taste-skill-ignore form field */
  background: var(--surface);
}
textarea { min-height: 88px; resize: vertical; }

.grow { display: grid; gap: var(--gap); padding-top: 180px; }
.card h2, .grow h2, .legend-board h2, .q h3, .group-title, .code-tile b { font-size: 40px; line-height: 1.05; }
.q h3, .group-title { font-size: 20px; }
.grow-row {
  display: grid;
  grid-template-columns: 3fr 4fr 5fr;
  gap: 10px;
  align-items: end;
}
.stage { padding: 20px; display: flex; flex-direction: column; justify-content: space-between; color: var(--accent-ink); min-width: 0; }
.stage strong { font-family: var(--font-display); font-size: 40px; line-height: 0.9; font-weight: 500; }
.stage span { font-size: 16px; }
.stage.a { min-height: 30vh; background: oklch(0.386 0.059 188.416); }
.stage.d { min-height: 44vh; background: var(--accent); }
.stage.g { min-height: 60vh; background: var(--ink); }
.stage-copy { display: grid; grid-template-columns: 3fr 4fr 5fr; gap: 10px; }
.stage-copy h3 { font-size: 20px; margin-bottom: 4px; }
.letters { display: flex; flex-wrap: wrap; gap: var(--gap); }
.letters button, .quick button, .button {
  min-height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--radius);
  background: var(--subtle);
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--t-press) var(--ease-out), background-color var(--t-hover) ease, color var(--t-hover) ease;
}
.letters button[aria-pressed="true"], .button.primary, .bar-action {
  background: var(--accent);
  color: var(--accent-ink);
}
.letters button:active, .quick button:active, .button:active { transform: scale(0.96); }
.button.quiet { background: var(--subtle); color: var(--ink); }
.cta-main .button { background: var(--surface); color: var(--ink); }
.cta-main .button.danger { color: var(--danger); }

.legend-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); margin-top: 180px; }
.legend-board h2 { grid-column: 1 / -1; font-size: clamp(32px, 4vw, 48px); }
.legend-board .lead { grid-column: 1 / -1; max-width: 62ch; }
.code-tile { padding: 20px; min-height: 140px; display: flex; flex-direction: column; justify-content: space-between; }
.code-tile b { font-family: var(--font-display); font-size: 40px; font-weight: 500; line-height: 1; }

.agenda {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 16px;
  align-items: start;
  padding-top: 64px;
}
.tabs { position: sticky; top: 12px; display: grid; gap: 6px; }
.tabs a {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--subtle);
  text-decoration: none;
  font-weight: 600;
}
.tabs a.active { background: var(--ink); color: var(--accent-ink); }

.card {
  display: grid;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  background: transparent;
  scroll-margin-top: 16px;
}
.card { margin-top: 180px; }
.lead, .note, .hint { max-width: 68ch; }
.hint { color: var(--danger); }
.group-title { margin: 16px 0 4px; font-size: 20px; }

.row {
  display: grid;
  grid-template-columns: minmax(160px, 1.1fr) minmax(140px, 0.9fr) minmax(220px, 1.2fr);
  gap: 16px;
  align-items: center;
  min-height: 76px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--surface);
}
.row:nth-child(even) { background: var(--subtle); }
.row.is-dim { opacity: 0.28; }
.name { font-weight: 600; }
.meta { color: var(--muted); margin-top: 4px; }
.answer-box { display: grid; gap: 8px; }
.with-unit { display: flex; align-items: center; gap: 8px; }
.unit { color: oklch(0.446 0.037 257.281); white-space: nowrap; }
.unit:empty { display: none; }
.unit:empty { display: none; }
.quick { display: flex; flex-wrap: wrap; gap: 8px; }
.quick button { min-height: 32px; }

.q { display: grid; gap: 8px; padding: 16px 20px; border-radius: var(--radius); background: var(--surface); }
.q h3 { font-size: 22px; line-height: 1.2; }
.suggest { padding: 12px 14px; border-radius: var(--radius); background: var(--subtle); }
.choices { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.choices label {
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--subtle);
}
.choices label:has(input:checked) { background: var(--accent); color: var(--accent-ink); }

.ref { width: 100%; border-collapse: collapse; }
.ref th, .ref td { text-align: left; padding: 12px 8px; vertical-align: top; }
.ref tr:nth-child(odd) { background: var(--surface); }
.ref tr:nth-child(even) { background: var(--subtle); }

.cta {
  display: grid;
  grid-template-columns: 1fr 4fr 1fr;
  gap: var(--gap);
  min-height: 280px;
  margin-top: 48px;
}
.cta-main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 40px;
}
.cta-main h2 { font-size: 40px; line-height: 1.05; color: var(--accent-ink); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.hp { position: absolute; left: -10000px; overflow: hidden; }
#submit-status { min-height: 1.5em; }

@media (hover: hover) and (pointer: fine) {
  .bar-action:hover, .button.primary:hover, .letters button[aria-pressed="true"]:hover { background: var(--accent-hover); }
  .letters button:hover, .quick button:hover, .button.quiet:hover { background: oklch(0.208 0.04 265.755 / 0.1); }
  .tabs a:hover { background: oklch(0.208 0.04 265.755 / 0.1); }
  .bar-links a { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 0.2em; }
  .bar-links a:hover { text-decoration-color: currentColor; }
}

@media (prefers-reduced-motion: no-preference) {
  .js .rise { opacity: 0; transform: translateY(20px); }
  .js .rise.is-in { opacity: 1; transform: none; transition: opacity var(--t-reveal) var(--ease-out), transform var(--t-reveal) var(--ease-out); }
  .js .shutter { clip-path: inset(0 0 100% 0); transition: clip-path 1100ms var(--ease-in-out); }
  .js .shutter .control { transform: scale(1.08); transition: transform 1400ms var(--ease-soft); }
  .js .shutter.is-in { clip-path: inset(0); }
  .js .shutter.is-in .control { transform: none; }
}

@media (max-width: 900px) {
  .board-bar, .hero, .hero-split, .who-board, .grow-row, .stage-copy, .legend-board, .agenda, .row, .cta {
    grid-template-columns: 1fr;
  }
  .board-bar { grid-template-columns: 64px 1fr; }
  .bar-action { grid-column: 1 / -1; }
  .hero { grid-template-rows: auto; }
  .name { font-size: 16px; }
  .stage.a, .stage.d, .stage.g { min-height: 0; }
  .stage.a { min-height: 34vw; }
  .stage.d { min-height: 46vw; }
  .stage.g { min-height: 62vw; }
  .tabs { position: static; display: grid; grid-template-columns: 1fr 1fr; grid-auto-flow: row; overflow: visible; }
  .cta-main h2 { font-size: 28px; }
  .cta { min-height: 0; }
}

@media print {
  .board-bar, .tabs, .quick, .no-print, .letters { display: none !important; }
  .row.is-dim { opacity: 1; }
}