:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #eef2f7;
  --text: #1e293b;
  --muted: #475569;
  --border: #b7c3d0;
  --key: #e5e7eb;
  --accent: #00B4D8;
  --success: #15803d;
  --swipe-line: #FFB703;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #253449;
  --text: #f1f5f9;
  --muted: #cbd5e1;
  --border: #64748b;
  --key: #334155;
  --accent: #22D3EE;
  --success: #4ade80;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 1rem/1.5 system-ui, sans-serif; }
main { max-width: 740px; margin: auto; padding: 20px 12px 40px; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 2; padding: 8px 12px; border-radius: 8px; background: var(--bg); color: var(--text); }
.skip-link:focus { left: 8px; }
header, .level-heading, nav, .guess-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
header { flex-wrap: wrap; }
.site-header { justify-content: space-between; }
.site-nav, .footer-nav { justify-content: flex-start; flex-wrap: wrap; margin: 0 0 20px; }
.footer-nav { justify-content: center; margin: 8px 0 0; }
.store-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.store-badge { display: block; width: min(135px, 30vw); }
.archive-feature { margin: 24px 0; }
.archive-feature img { display: block; width: 100%; max-width: 630px; height: auto; margin: auto; border-radius: 12px; }
.archive-feature figcaption { max-width: 630px; margin: 16px auto 0; color: var(--muted); }
a { color: var(--accent); }
.logo { object-fit: contain; height: auto; max-width: 45%; }
h1 { font-size: 1.8rem; margin-bottom: 8px; }
main > h1 { text-align: center; font-size: 2.34rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; margin-bottom: 0; }
p { margin: 8px 0 16px; }
button, input, select { font: inherit; }
button, select { cursor: pointer; min-height: 44px; border-radius: 8px; border: 2px solid var(--border); padding: 8px 12px; background: var(--surface); color: var(--text); }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { cursor: default; opacity: .6; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.notice, .tutorial, .clue-panel, #guess-form, #keyboard {
  margin-left: 12px;
  margin-right: 12px;
  padding: 6px 8px;
  border: 4px solid var(--accent);
  border-radius: 18px;
}
.notice, .tutorial, .clue-panel, #guess-form { text-align: center; }
.notice, .tutorial { background: var(--surface); }
.tutorial { min-height: 72px; white-space: pre-line; }
progress { width: 100%; accent-color: var(--accent); }
#progress-text, #input-help, #clue-help, #guesses, footer { font-size: .875rem; color: var(--muted); }
.clues { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0 20px; }
.clue-panel { margin-bottom: 24px; }
.clue { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.clue img { height: 48px; width: 48px; object-fit: contain; }
.clue-value { font-weight: 700; min-height: 24px; }
.clue:disabled { opacity: 1; }
label[for="guess"] { display: block; margin-bottom: 6px; font-weight: 600; }
input { width: 100%; min-width: 0; padding: 10px; border-radius: 8px; border: 4px solid var(--border); background: var(--bg); color: var(--text); text-transform: uppercase; }
#submit, #next { background: var(--accent); color: var(--bg); font-weight: 700; }
#feedback { min-height: 28px; font-weight: 600; }
#feedback[data-correct="true"] { color: var(--success); }
#feedback[data-incorrect-guess="true"] { color: var(--swipe-line); }
.board { position: relative; width: auto; margin: 0 12px; }
#keyboard { position: relative; aspect-ratio: 10 / 3; margin: 0; }
.key { position: absolute; width: 9.2%; height: 28%; min-height: 0; padding: 0; font-size: clamp(1rem, 4.6vw, 2.2rem); border-radius: 6px; background: var(--key); box-shadow: 0 2px 0 var(--border); touch-action: manipulation; }
.type-here-hint { position: absolute; z-index: 1; width: 9.2%; height: 28%; object-fit: contain; pointer-events: none; }
#swipe { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
nav { margin: 20px 0; }
.secondary { display: block; margin: 20px auto; }
.download-app { margin-top: 32px; text-align: center; }
.store-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.store-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border-radius: 8px; padding: 8px 12px; background: var(--accent); color: var(--bg); font-weight: 700; }
.store-link[aria-disabled="true"] { cursor: not-allowed; opacity: .6; }
footer { margin-top: 48px; padding-top: 24px; border-top: 2px solid var(--border); color: var(--muted); font-size: .875rem; }
.footer-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; text-align: left; }
.footer-column { display: flex; flex-direction: column; gap: 8px; }
.footer-company { justify-content: space-between; min-height: 132px; }
.footer-heading { color: var(--text); font-size: 1rem; }
.footer-links { display: grid; gap: 4px; }
.social-links { display: flex; flex-wrap: wrap; gap: 10px; }
.social-link { display: inline-flex; align-items: center; justify-content: center; }
.social-link img { width: 24px; height: 24px; }
.copyright { margin: 24px 0 0; padding-top: 16px; border-top: 1px solid var(--border); text-align: center; }
[hidden] { display: none !important; }
@media (max-width: 420px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .store-badges { justify-content: flex-start; }
  .footer-columns { grid-template-columns: 1fr; }
  .footer-company { min-height: 0; gap: 24px; }
  .level-heading { align-items: flex-start; flex-direction: column; gap: 0; margin-bottom: 12px; }
  .clue { font-size: .8rem; padding: 6px 2px; }
}