/* Legacy layout and paint share one cascade layer. Theme recipes own opt-in appearance. */
@layer legacy {
  :root {
    color-scheme: dark;
    font:
      16px/1.5 'Field Kit UI',
      system-ui,
      sans-serif;
    color: #e9f1ed;
    background: #101b28;
  }
  * {
    box-sizing: border-box;
  }
  body {
    margin: 0;
  }
  main {
    max-width: 1440px;
    margin: auto;
    padding: 12px 20px;
  }
  .heading,
  .telemetry {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 16px;
  }
  .heading {
    margin-bottom: 8px;
  }
  h1 {
    font-family: 'Field Kit Display', 'Reveal Line Pixel', monospace;
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 600;
    margin: 0;
  }
  nav,
  .controls,
  .pad {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
  }
  a {
    color: #8fe0d8;
    text-underline-offset: 3px;
  }
  button,
  select {
    font: inherit;
    color: inherit;
    background: #253b4e;
    border: 1px solid #72909b;
    border-radius: 0;
    min-height: 44px;
    padding: 8px 12px;
    max-width: 100%;
    min-width: 0;
  }
  button {
    cursor: pointer;
  }
  button:disabled {
    opacity: 0.55;
    cursor: wait;
  }
  label {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    min-width: 0;
    max-width: 100%;
  }
  input[type='checkbox'] {
    width: 20px;
    height: 20px;
    accent-color: #ffd64a;
  }
  .controls {
    padding: 6px 10px;
    border: 1px solid #516e7b;
    background: #182a3b;
  }
  .panes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .panes.primary-only {
    grid-template-columns: minmax(0, 1fr);
  }
  /* Primary play reserves real space for the HUD and touch controls. The arena
 * owns the remaining height, so wrapping copy cannot push the pad off screen. */
  #play-viewport.primary-only {
    height: calc(100dvh - 24px);
    display: grid;
    grid-template-rows: auto auto auto auto auto minmax(0, 1fr);
  }
  .primary-only .play-stage {
    min-height: 0;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 8px;
  }
  .primary-only #arena {
    min-width: 0;
    min-height: 0;
    container-type: size;
    display: grid;
    place-items: center;
  }
  .primary-only .panes {
    width: min(100cqw, calc((100cqh - 34px) * 2));
  }
  .primary-only .pad {
    margin: 0;
  }
  figure {
    margin: 0;
    min-width: 0;
  }
  figcaption {
    margin-bottom: 8px;
    font-weight: 600;
  }
  canvas {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: pixelated;
    border: 1px solid #617987;
    background: #152333;
  }
  #reference {
    touch-action: none;
  }
  .pad {
    margin: 8px 0;
  }
  .pad button {
    min-width: 52px;
    min-height: 48px;
    touch-action: none;
  }
  .direction-controls {
    display: grid;
    grid-template-columns: repeat(3, 52px);
    grid-template-rows: repeat(2, 48px);
    touch-action: none;
  }
  .direction-controls [data-move='up'] {
    grid-column: 2;
    grid-row: 1;
  }
  .direction-controls [data-move='left'] {
    grid-column: 1;
    grid-row: 2;
  }
  .direction-controls [data-move='down'] {
    grid-column: 2;
    grid-row: 2;
  }
  .direction-controls [data-move='right'] {
    grid-column: 3;
    grid-row: 2;
  }
  .pressed {
    background: #6b5720;
    border-color: #ffd64a;
  }
  :focus-visible {
    outline: 3px solid #ffd64a;
    outline-offset: 3px;
  }
  .note {
    color: #b0c3c9;
    font-size: 0.9rem;
  }
  #loading[data-state='error'] {
    color: #ffb49d;
  }
  #summary {
    font-weight: 600;
    color: #ffd64a;
  }
  #summary,
  #loading,
  #outcome {
    margin: 4px 0;
  }
  #outcome {
    min-height: 1.5em;
    color: #ffd64a;
  }
  #instructions {
    font-size: 0.85rem;
    color: #b0c3c9;
  }
  details {
    margin: 12px 0;
  }
  fieldset {
    min-width: 0;
    margin: 12px 0;
    border: 1px solid #516e7b;
  }
  summary {
    min-height: 44px;
    padding: 10px 0;
    cursor: pointer;
  }
  pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font:
      13px/1.5 'Field Kit Mono',
      monospace;
  }
  [hidden] {
    display: none !important;
  }
  @media (max-width: 720px) {
    main {
      padding: 10px;
    }
    .panes {
      grid-template-columns: 1fr;
    }
    #play-viewport.primary-only {
      height: calc(100dvh - 20px);
    }
  }
  @media (max-height: 500px) and (orientation: landscape) {
    main {
      padding: 8px 12px;
    }
    #play-viewport.primary-only {
      height: calc(100dvh - 16px);
    }
    .heading {
      margin-bottom: 4px;
    }
    h1 {
      font-size: 1.3rem;
    }
    #loading,
    #summary,
    #outcome {
      font-size: 0.875rem;
      line-height: 1.35;
    }
    .primary-only .play-stage {
      grid-template-columns: minmax(0, 1fr) 156px;
      grid-template-rows: minmax(0, 1fr);
      gap: 16px;
    }
    .primary-only .pad {
      flex-direction: column;
      justify-content: center;
      align-self: center;
      gap: 8px;
    }
  }
}