:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  color: #1a1a2e;
  background: #f5f7f4;
  --ink: #1a1a2e;
  --nav: #538d4e;
  --accent: #6aaa64;
  --paper: #ffffff;
  --danger: #b42318;
  --puzzle-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; font-weight: 700; }
body { margin: 0; min-width: 320px; background: #f5f7f4; }
button, input, select, textarea { font: inherit; }
.site-nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: .8rem; padding: .7rem 1rem; color: #fff; background: var(--nav); box-shadow: 0 2px 8px #1a1a2e33; }
.site-nav a { color: #fff; text-decoration: none; }
.brand { display: flex; align-items: center; gap: .55rem; font-size: 1.05rem; }
.brand svg { width: 2rem; height: 2rem; }
main { width: min(74rem, 100%); margin: 0 auto; padding: 1rem; }
h1, h2, p { margin-top: 0; }
.share-attribution { margin: -.35rem 0 .7rem; font-size: .75rem; text-align: center; }
.share-attribution a { color: var(--nav); font-weight: 700; }
.intro { max-width: 48rem; }
.workspace { display: grid; gap: 1rem; }
.panel { padding: 1rem; border: 2px solid var(--ink); border-radius: .8rem; background: var(--paper); box-shadow: 4px 4px 0 #1a1a2e; }
.fields { display: grid; gap: .85rem; }
label { display: grid; gap: .3rem; }
input, select, textarea { width: 100%; min-height: 2.75rem; padding: .6rem .7rem; color: var(--ink); border: 2px solid var(--ink); border-radius: .4rem; background: #fff; }
textarea { min-height: 9rem; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible, svg:focus-visible { outline: 4px solid #f2c94c; outline-offset: 2px; }
.actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: .55rem .9rem; color: #fff; border: 2px solid var(--ink); border-radius: .4rem; background: var(--nav); text-decoration: none; cursor: pointer; }
.button:hover { background: var(--accent); }
.button.secondary { color: var(--ink); background: #fff; }
.button[aria-disabled="true"], .button:disabled { opacity: .5; cursor: not-allowed; }
.status { min-height: 1.5rem; margin: .7rem 0 0; color: var(--danger); }
.unplaced-banner { padding: .7rem; border: 2px solid var(--danger); border-radius: .4rem; background: #fff0ee; }
.orientation-fields { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem .8rem; margin: 0; padding: .7rem; border: 2px solid var(--ink); border-radius: .4rem; }
.orientation-fields legend { padding: 0 .3rem; }
.orientation-fields label { grid-template-columns: auto 1fr; align-items: center; gap: .4rem; font-size: .88rem; }
.orientation-fields input { width: 1.15rem; min-height: 1.15rem; margin: 0; accent-color: var(--nav); }
.field-note { display: block; margin-bottom: .3rem; }
.compact-word-bank { min-height: 1.5rem; margin: 0; font-size: .85rem; }
.puzzle-svg { display: block; width: min(100%, 42rem); height: auto; margin: 0 auto; touch-action: none; user-select: none; }
.puzzle-cell { fill: #fff; stroke: #d0d5dd; }
.puzzle-letter { fill: var(--ink); font-family: var(--puzzle-font); text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.puzzle-cell.is-selected { fill: #cdeac9; }
.puzzle-cell.is-found { fill: var(--accent); }
.puzzle-cell.is-cursor { stroke: #1a1a2e; stroke-width: 3; }
.puzzle-svg.is-wrong { animation: wrong-flash .45s ease; }
@keyframes wrong-flash { 50% { background: #fda29b; } }
.word-bank { display: flex; flex-wrap: wrap; gap: .5rem 1rem; padding: 0; font-family: var(--puzzle-font); list-style: none; }
.word-bank .found { color: var(--nav); text-decoration: line-through 3px; }
.complete { padding: .85rem; color: #fff; border-radius: .4rem; background: var(--nav); text-align: center; }
.screen-error { max-width: 38rem; margin: 3rem auto; padding: 1.25rem; color: #fff; border-radius: .6rem; background: var(--danger); text-align: center; }
[hidden] { display: none !important; }

@media (min-width: 48rem) {
  main { padding: 1.5rem; }
  .workspace { grid-template-columns: minmax(18rem, 24rem) minmax(0, 1fr); align-items: start; }
  .fields.two-column { grid-template-columns: 1fr 1fr; }
}

@media print {
  .site-nav, .builder-panel, .actions, .instructions { display: none !important; }
  body, main, .panel { padding: 0; background: #fff; box-shadow: none; border: 0; }
  .workspace { display: block; }
}