:root {
  color-scheme: light;
  --paper: #f8f7f2;
  --ink: #252921;
  --muted: #65685e;
  --line: #dedfd4;
  --orange: #bd411c;
  --accent: #416149;
  --tint: #e4ecdf;
  font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; }
button, select { font: inherit; }
a { color: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: default; }
button, .button { min-height: 44px; border: 1px solid var(--line); border-radius: 9px; background: transparent; color: var(--ink); padding: 10px 16px; font-weight: 700; }
button:hover, .button:hover { background: #edeee5; }
button:active, .button:active { transform: translateY(1px); }
button.primary, .button.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
button.primary:hover, .button.primary:hover { background: #454b3e; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; top: -80px; left: 16px; padding: 12px; z-index: 20; background: var(--paper); }
.skip-link:focus { top: 12px; }
.brand { font-size: 22px; font-weight: 800; letter-spacing: -1px; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { display: inline-grid; grid-template-columns: repeat(2, 7px); gap: 3px; transform: rotate(-8deg); }
.brand-mark i { width: 7px; height: 7px; background: var(--orange); border-radius: 1px; }
.brand-mark i:last-child { border-radius: 50%; }
.eyebrow { font: 700 11px/1.5 'Courier New', monospace; letter-spacing: 2px; text-transform: uppercase; }
h1 { letter-spacing: -1.7px; }
.back-link { text-decoration: none; font-weight: 700; font-size: 14px; padding: 12px 0; }
.game-page { --board-ratio: 1; --board-size: min(calc(100vw - 24px), calc((100dvh - 240px) * var(--board-ratio) + 16px), 900px); }
.game-page[data-game="snake"] { --accent: #3c6045; --tint: #e3eddf; }
.game-page[data-game="memory"] { --accent: #785783; --tint: #eee3f0; }
.game-page[data-game="whac-a-mole"] { --accent: #92542b; --tint: #f2e4ce; }
.game-header { height: 56px; max-width: 1320px; margin-inline: auto; padding: 0 20px; display: flex; align-items: center; gap: 24px; }
.game-header h1 { font-size: 18px; letter-spacing: -.5px; margin: 0 0 0 auto; }
.game-header .back-link { font-size: 12px; color: var(--muted); }
.game-main { min-height: calc(100dvh - 56px); display: flex; justify-content: center; align-items: center; padding: 12px; }
.game-layout { position: relative; display: grid; grid-template-areas: 'stats' 'board' 'toolbar' 'dpad'; justify-items: center; align-items: center; gap: 12px; }
.play-area { grid-area: board; width: var(--board-size); position: relative; background: var(--tint); border: 1px solid #cbd1c1; border-radius: 12px; padding: 7px; }
.board { display: block; width: 100%; aspect-ratio: 1; border-radius: 5px; touch-action: none; }
canvas { outline-offset: 3px !important; }
.stats { grid-area: stats; display: flex; justify-content: center; gap: 24px; }
.stat { display: flex; flex-direction: column; gap: 3px; min-width: 38px; text-align: center; }
.stat-label { font-size: 10px; color: var(--muted); }
.stat-value { font-size: 22px; line-height: 1.1; font-variant-numeric: tabular-nums; font-weight: 700; }
.game-toolbar { grid-area: toolbar; position: relative; width: max-content; max-width: calc(100vw - 24px); display: flex; justify-content: center; gap: 8px; }
.primary-controls, .view-controls { display: flex; justify-content: center; gap: 8px; }
.primary-controls button { white-space: nowrap; font-size: 12px; padding-inline: 12px; }
.icon-button { display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 9px; cursor: pointer; list-style: none; }
.icon-button svg { width: 22px; height: 22px; }
.icon-button:hover { background: #edeee5; }
.icon-button::-webkit-details-marker { display: none; }
.collapse-icon { display: none; }
.game-settings { display: block; }
.game-settings[open] > summary { background: #edeee5; }
.settings-content { translate: var(--menu-x, 0px) var(--menu-y, 0px); position: absolute; z-index: 10; bottom: calc(100% + 12px); left: 50%; transform: translateX(-50%); width: min(288px, calc(100vw - 24px)); padding: 18px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 30px #25292120; text-align: left; max-height: calc(100dvh - 88px); overflow-y: auto; }
.settings-label { font-size: 12px; font-weight: 700; margin: 0 0 10px; }
.difficulty { display: flex; gap: 3px; padding: 3px; background: #eeeee6; border-radius: 9px; }
.difficulty button { flex: 1; min-height: 44px; padding: 8px; font-size: 12px; border: 0; }
.difficulty button[aria-pressed="true"] { background: var(--paper); box-shadow: 0 1px 3px #25292120; }
#sound { margin-top: 14px; font-size: 12px; width: 100%; }
.control-hint { margin: 14px 0 0; font-size: 12px; color: var(--muted); line-height: 1.7; }
.dpad { grid-area: dpad; display: flex; justify-content: center; gap: 4px; }
.dpad button { width: 44px; padding: 7px; background: #eeeee6; border-color: transparent; font-size: 19px; touch-action: none; user-select: none; }
.overlay { position: absolute; inset: 0; z-index: 3; background: #f8f7f2f2; border-radius: 11px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px; text-align: center; backdrop-filter: blur(4px); }
.overlay h2 { font-size: clamp(24px, 4vw, 32px); letter-spacing: -1px; margin: 0 0 12px; }
.overlay p { color: var(--muted); font-size: 14px; margin: 0 0 20px; line-height: 1.5; }
.overlay p:empty { display: none; }
/* Enough width for a board and a small side panel, including portrait tablets. */
@media (min-width: 700px), (min-width: 540px) and (orientation: landscape) {
  .game-page { --board-size: min(calc(100vw - 216px), calc((100dvh - 96px) * var(--board-ratio) + 16px), 900px); }
  .game-main { padding: 12px 16px; }
  .game-layout { grid-template-areas: 'board .' 'board stats' 'board toolbar' 'board dpad' 'board .'; grid-template-columns: var(--board-size) 160px; grid-template-rows: 1fr auto auto auto 1fr; gap: 20px 24px; }
  .game-toolbar { flex-direction: column; gap: 12px; }
  .stats { gap: 16px; }
  .settings-content { top: 50%; bottom: auto; left: auto; right: calc(100% + 12px); transform: translateY(-50%); }
  .dpad { display: grid; grid-template-columns: repeat(3, 44px); grid-template-rows: repeat(2, 44px); }
  .dpad [data-direction="up"] { grid-area: 1 / 2; }
  .dpad [data-direction="left"] { grid-area: 2 / 1; }
  .dpad [data-direction="down"] { grid-area: 2 / 2; }
  .dpad [data-direction="right"] { grid-area: 2 / 3; }
}
@media (orientation: landscape) and (max-height: 500px) {
  .game-layout { row-gap: 8px; }
  .game-header { height: 44px; }
  .game-main { min-height: calc(100dvh - 44px); padding-block: 8px; }
  .game-toolbar { gap: 8px; }
  .settings-content { max-height: calc(100dvh - 160px); }
}
/* Focus view fills the screen. HUD controls share the game surface, with space
   reserved around the board so they never cover a path, card, or target. */
.game-page.is-focused { --board-size: min(calc(100vw - 16px - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)), calc((100dvh - 190px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)) * var(--board-ratio) + 16px), 1000px); position: fixed; inset: 0; background: var(--tint); }
.is-focused .game-header, .is-focused .skip-link { display: none; }
.is-focused .game-main { width: 100%; height: 100%; min-height: 0; padding: 0; }
.is-focused .game-layout { width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
.is-focused .play-area { flex: 0 0 auto; box-shadow: none; }
.is-focused .stats { position: absolute; top: max(12px, env(safe-area-inset-top, 0px)); left: 0; right: 0; margin-inline: auto; width: max-content; padding: 8px 16px; background: var(--paper); border-radius: 10px; }
.is-focused .game-toolbar { position: absolute; bottom: max(12px, env(safe-area-inset-bottom, 0px)); left: 0; right: 0; margin-inline: auto; flex-direction: row; gap: 8px; }
.is-focused .game-toolbar button, .is-focused summary, .is-focused .dpad button { background: var(--paper); }
.is-focused .dpad { position: absolute; bottom: calc(max(12px, env(safe-area-inset-bottom, 0px)) + 60px); left: 0; right: 0; margin-inline: auto; width: max-content; display: flex; }
.is-focused .settings-content { top: auto; bottom: calc(100% + 12px); left: 50%; right: auto; transform: translateX(-50%); }
.is-focused .expand-icon { display: none; }
.is-focused .collapse-icon { display: block; }
@media (orientation: landscape) {
  .game-page.is-focused { --board-size: min(calc(100vw - 216px - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)), calc((100dvh - 32px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)) * var(--board-ratio) + 16px), 1000px); }
  .is-focused .game-layout { padding-right: calc(216px + env(safe-area-inset-right, 0px)); padding-left: env(safe-area-inset-left, 0px); }
  .is-focused .stats { right: max(12px, env(safe-area-inset-right, 0px)); left: auto; margin-inline: 0; gap: 12px; padding: 10px; }
  .is-focused .game-toolbar { top: calc(max(12px, env(safe-area-inset-top, 0px)) + 76px); right: max(12px, env(safe-area-inset-right, 0px)); left: auto; bottom: auto; margin-inline: 0; flex-direction: column; }
  .is-focused .dpad { right: max(12px, env(safe-area-inset-right, 0px)); left: auto; bottom: max(12px, env(safe-area-inset-bottom, 0px)); margin-inline: 0; display: grid; grid-template-columns: repeat(3, 44px); grid-template-rows: repeat(2, 44px); }
  .is-focused .dpad [data-direction="up"] { grid-area: 1 / 2; }
  .is-focused .dpad [data-direction="left"] { grid-area: 2 / 1; }
  .is-focused .dpad [data-direction="down"] { grid-area: 2 / 2; }
  .is-focused .dpad [data-direction="right"] { grid-area: 2 / 3; }
  .is-focused .settings-content { top: 0; bottom: auto; left: auto; right: calc(100% + 12px); transform: none; max-height: calc(100dvh - 100px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}