:root {
  color-scheme: light;
  --paper: #f7f2e7;
  --card: #fffdf7;
  --ink: #22302a;
  --soft: #5a665f;
  --line: #d9cfbb;
  --accent: #2f5d50;
  --bad: #a4342a;
  --good: #27694a;
  --gutter: 16px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 960px; margin: 0 auto; padding: 12px var(--gutter) 40px; }
h1, h2 { font-family: Georgia, "Iowan Old Style", serif; font-weight: 600; line-height: 1.15; }
h1 { font-size: 1.6rem; margin: 2px 0 2px; }
h2 { font-size: 1.15rem; margin: 0 0 6px; }
p { margin: 0 0 8px; }
a { color: var(--accent); }
.back { font-size: .875rem; }
.goal { font-weight: 600; margin: 0; }
.rules { color: var(--soft); font-size: .9rem; margin: 2px 0 10px; }
.foot { color: var(--soft); font-size: .8rem; margin-top: 18px; }

button {
  font: inherit;
  color: inherit;
  min-height: 44px;
  padding: 0 14px;
  background: var(--card);
  border: 1px solid #b9ad95;
  border-radius: 8px;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--ink); }
button:disabled { opacity: .45; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
:focus-visible { outline: 3px solid #1b6fd1; outline-offset: 2px; }

.controls { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.status {
  min-height: 3em;
  margin: 6px 0;
  padding: 8px 10px;
  background: var(--card);
  border-left: 4px solid var(--line);
  border-radius: 4px;
  font-size: .95rem;
}
.status.bad { border-color: var(--bad); color: var(--bad); }
.status.good { border-color: var(--good); color: var(--good); font-weight: 600; }

.board { position: relative; width: 100%; background: #e9e0cc; border-radius: 8px; overflow: hidden; box-shadow: inset 0 0 0 2px #cdbf9f; }
.board > svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.board-cells { position: absolute; inset: 0; display: grid; }
.board-cells button {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.board-cells button:focus-visible { outline-offset: -3px; }
.cell-letter {
  font: 600 .46px ui-sans-serif, system-ui, sans-serif;
  text-anchor: middle;
  dominant-baseline: central;
  fill: #1c2823;
}
.solved .board { box-shadow: inset 0 0 0 3px var(--good); }

.tray { display: grid; gap: 6px; }
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 2px;
  min-width: 0;
  min-height: 0;
  font-size: .8rem;
  line-height: 1.2;
}
.tile svg { width: 100%; max-width: 72px; aspect-ratio: 1; display: block; }
.tile[aria-pressed="true"] { border-color: var(--ink); box-shadow: 0 0 0 2px var(--ink); background: #fff; }
.tile .where { color: var(--soft); font-size: .72rem; }

.walk { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.walk .label { color: var(--soft); font-size: .8rem; margin: 0; text-transform: uppercase; letter-spacing: .05em; }
.walk-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 10px 0; }
.walk-grid figure { margin: 0; max-width: 320px; }
.walk-grid figcaption { font-size: .85rem; color: var(--soft); margin-top: 4px; }

kbd { font: .8em ui-monospace, monospace; border: 1px solid var(--line); border-radius: 3px; padding: 0 3px; background: var(--card); }

@media (max-width: 480px) {
  h1 { font-size: 1.35rem; }
  .rules { font-size: .8rem; line-height: 1.3; margin-bottom: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}