:root {
  color-scheme: light;
  --paper: #efe6d4;
  --ink: #1c2430;
  --muted: #5c564c;
  --line: #ddcbb0;
  --card: #fffaf2;
  --teal: #0c6b62;
  --teal-ink: #e7fff8;
  --board: #16332f;
  --chalk: #f2d48a;
  --good: #1f7a4d;
  --bad: #9c2f2f;
  --focus: #0c6b62;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 17px/1.45 "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}
button, input { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
a { color: var(--teal); }

.top {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(239, 230, 212, 0.94);
}
.brand { font-family: Georgia, serif; font-size: 1.45rem; text-decoration: none; color: inherit; }
.nav { display: flex; gap: 0.35rem; }
.nav a { text-decoration: none; padding: 0.4rem 0.75rem; border-radius: 999px; }
.nav a:hover { background: var(--card); }

main { max-width: 54rem; margin: 0 auto; padding: 1.75rem 1.5rem 4.5rem; }
h1, h2 { font-family: Georgia, serif; font-weight: 600; line-height: 1.2; }
h1 { font-size: 2.15rem; margin: 0 0 0.55rem; }
h2 { font-size: 1.28rem; margin: 1.7rem 0 0.7rem; }
.lede { margin: 0 0 1.25rem; max-width: 40rem; }

.weak {
  background: var(--board);
  color: var(--teal-ink);
  border-radius: 16px;
  padding: 1.25rem 1.35rem 1.3rem;
  margin: 0 0 1.35rem;
}
.weak h2 { margin: 0 0 0.45rem; }
.weak p { margin: 0.25rem 0 0.85rem; }
.weak button, .primary, .choice, .play {
  border: 0;
  border-radius: 999px;
  background: var(--chalk);
  color: #1c2430;
  padding: 0.65rem 1.05rem;
}
.primary { margin-top: 1.15rem; }
.choice {
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 12px;
  width: 100%;
  text-align: left;
  padding: 0.85rem 1rem;
}
.choice:hover { border-color: var(--teal); }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: 1rem; }
.card, .note, .trick, .memory, .q-card, .rules {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.15rem 1.25rem 1.2rem;
}
.card { overflow: hidden; padding: 0 0 1.15rem; }
.card h2, .card .blurb, .card .meter, .card .links { margin-left: 1.15rem; margin-right: 1.15rem; }
.card h2 { margin-top: 0.15rem; margin-bottom: 0.3rem; font-size: 1.2rem; }
.card .blurb { margin: 0 1.15rem; color: var(--muted); }
.meter { height: 8px; background: #efe2cc; border-radius: 99px; margin: 0.9rem 1.15rem 0.5rem; overflow: hidden; }
.meter span { display: block; height: 100%; background: var(--teal); width: 0; }
.card .links { display: flex; gap: 1rem; margin-top: 0.85rem; }
.rules h2 { margin-top: 0; }
.rules ul { margin: 0.35rem 0 0; padding-left: 1.2rem; }
.rules li { margin: 0.4rem 0; padding-left: 0.15rem; }
.note, .trick p, .memory p { margin: 0.4rem 0 0; }
.q-card h2 { margin: 0.15rem 0 0; }

.stage {
  background: var(--board);
  color: var(--teal-ink);
  border-radius: 16px;
  padding: 0.85rem 1rem 1.05rem;
  margin: 0.85rem 0 0;
}
.thumb {
  background: var(--board);
  margin: 0 0 0.95rem;
  padding: 0.35rem 0.45rem 0;
}
.fig { width: 100%; height: auto; display: block; }
.thumb .fig { height: 108px; max-height: none; }
.stage .fig { min-height: 180px; }
.slider { display: grid; grid-template-columns: minmax(7.5rem, 11rem) 1fr auto; gap: 0.75rem 1rem; align-items: center; margin: 0.7rem 0 0; }
.slider span { color: var(--teal-ink); }
.slider input { width: 100%; accent-color: #e2b15a; }
.slider-value { min-width: 2.4rem; text-align: center; color: var(--chalk); background: #0d2422; border-radius: 999px; padding: 0.15rem 0.6rem; font-variant-numeric: tabular-nums; }
.readout { color: var(--chalk); margin: 0.85rem 0 0.1rem; line-height: 1.45; }
.bars, .split, .cols, .series-row, .dice-grid, .cycle { margin-top: 0.8rem; }
.bar-row { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.5rem; align-items: center; margin: 0.35rem 0; }
.bar-track, .split { background: #0d2422; border-radius: 8px; overflow: hidden; }
.bar-track { height: 16px; }
.bar-fill { height: 100%; width: 0; background: var(--chalk); transition: width 0.25s linear; }
.split { display: flex; min-height: 3.2rem; }
.split-a, .split-b { display: grid; place-items: center; padding: 0.4rem; transition: flex-grow 0.25s linear; }
.split-a { background: #e2b15a; color: #1c2430; }
.split-b { background: #8fd0c6; color: #1c2430; }
.price-tag { border: 2px dashed var(--chalk); border-radius: 12px; padding: 0.7rem 0.9rem; margin-top: 0.6rem; }
.tag-row { font-variant-numeric: tabular-nums; }
.mark { opacity: 0.75; text-decoration: line-through; }
.sale { color: var(--chalk); font-size: 1.3rem; }
.cols { display: flex; gap: 1.5rem; align-items: flex-end; min-height: 10rem; }
.col { width: 5rem; text-align: center; }
.shaft { height: 8rem; background: #0d2422; border-radius: 8px; display: flex; align-items: flex-end; overflow: hidden; }
.shaft-fill { width: 100%; height: 0; background: var(--chalk); transition: height 0.35s ease; }
.col-cap, .col-name { font-size: 0.85rem; margin: 0.25rem 0; }
.track { position: relative; height: 3rem; background: #0d2422; border-radius: 999px; margin-top: 0.8rem; }
.runner { position: absolute; top: 0.45rem; width: 1.3rem; height: 1.3rem; border-radius: 50%; }
.runner.a { background: var(--chalk); }
.runner.b { background: #8fd0c6; }
.tank { width: 7rem; height: 9rem; border: 3px solid var(--chalk); border-top: 0; margin: 0.8rem 0; position: relative; overflow: hidden; }
.water { position: absolute; left: 0; right: 0; bottom: 0; height: 15%; background: #3aa7c9; }
.seesaw { height: 5rem; position: relative; margin-top: 0.6rem; }
.arm { position: absolute; left: 10%; right: 10%; top: 1.6rem; height: 8px; background: var(--chalk); transform-origin: center; transition: transform 0.25s ease; }
.fulcrum { position: absolute; left: 50%; top: 1.9rem; width: 0; height: 0; border-left: 12px solid transparent; border-right: 12px solid transparent; border-bottom: 18px solid #8fd0c6; transform: translateX(-50%); }
.cycle, .dice-grid, .series-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cycle-cell, .die, .term, .jump {
  min-width: 2.2rem;
  text-align: center;
  padding: 0.35rem;
  border-radius: 8px;
  background: #0d2422;
}
.cycle-cell.on, .die.on, .term { background: var(--chalk); color: #1c2430; }
.jump { color: var(--chalk); background: transparent; }
.dice-grid { display: grid; grid-template-columns: repeat(6, 2rem); }
.play { margin-bottom: 0.6rem; }

.notes { display: grid; gap: 0.75rem; }
.trick strong, .memory strong { display: block; }
.choices { display: grid; gap: 0.7rem; margin-top: 1rem; }
.choice.good { border-color: var(--good); background: #e5f6ec; }
.choice.bad { border-color: var(--bad); background: #fdecec; }
.feedback { margin-top: 1rem; padding-top: 0.15rem; }
.feedback p { margin: 0.35rem 0; }
.feedback ol { margin: 0.45rem 0 0.8rem; padding-left: 1.25rem; }
.score { color: var(--muted); margin: 0 0 0.35rem; }

@media (max-width: 640px) {
  main { padding: 1.15rem 1rem 3.5rem; }
  .top { align-items: flex-start; flex-direction: column; padding: 0.85rem 1rem; gap: 0.45rem; }
  .slider { grid-template-columns: 6.5rem 1fr auto; gap: 0.5rem; }
  .dice-grid { grid-template-columns: repeat(6, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .bar-fill, .shaft-fill, .split-a, .split-b, .arm, .water { transition: none; }
}