/* Legacy layout and paint share one cascade layer. Theme recipes own opt-in appearance. */
@layer legacy {
  /* The inline head guard covers missing CSS and the first paint. These rules
   style only the launch surface; they never resize or recolor a live arena. */
  html:not([data-boot-state='ready']) body {
    height: auto !important;
    min-height: 100svh;
    overflow: auto !important;
  }
  #boot-screen.launch-screen {
    position: relative;
    z-index: 100;
    display: grid;
    place-items: center;
    width: 100%;
    min-height: 100svh;
    padding: max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right))
      max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
    box-sizing: border-box;
    overflow-wrap: anywhere;
    background: var(--fk-bg, #070b12);
    color: var(--fk-text, #f3f0db);
    font: 400 var(--fk-text-body, 18px) / 1.5 var(--fk-font-ui, 'Field Kit UI', sans-serif);
  }
  #boot-screen .launch-card {
    width: min(100%, 620px);
    margin: auto;
    box-sizing: border-box;
    padding: clamp(20px, 5vw, 40px);
    border: 2px solid var(--fk-line, #425563);
    box-shadow: 8px 8px 0 #02040c;
    background: var(--fk-panel, #101923);
  }
  #boot-screen .launch-kicker {
    margin: 0 0 28px;
    color: var(--fk-cyan, #78dce8);
    font: inherit;
    letter-spacing: 0.12em;
  }
  #boot-screen h1 {
    margin: 24px 0 16px;
    color: var(--fk-text, #f3f0db);
    font: 600 clamp(40px, 8vw, 56px) / 1.05 var(--fk-font-display, 'Field Kit Display', sans-serif);
    text-transform: none;
    letter-spacing: 0;
  }
  #boot-screen .launch-status {
    position: static;
    margin: 0 0 24px;
    color: var(--fk-muted, #a5b2bb);
    font: inherit;
  }
  #boot-screen .launch-signal {
    display: flex;
    align-items: end;
    gap: 6px;
    width: fit-content;
    border-bottom: 3px solid var(--fk-cyan, #78dce8);
    padding: 0 4px 7px;
  }
  #boot-screen .launch-signal i {
    display: block;
    width: 12px;
    height: 12px;
    background: var(--fk-cyan, #78dce8);
  }
  #boot-screen .launch-signal i:nth-child(2) {
    height: 22px;
  }
  #boot-screen .launch-signal i:nth-child(3) {
    height: 32px;
  }
  #boot-screen .launch-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 24px 0;
  }
  #boot-screen .launch-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 8px 18px;
    box-sizing: border-box;
    border: 2px solid var(--fk-control-line, #647786);
    background: var(--fk-panel-raised, #182531);
    color: var(--fk-text, #f3f0db);
    text-decoration: none;
    font: 500 var(--fk-text-control, 16px) / 1.35 var(--fk-font-ui, 'Field Kit UI', sans-serif);
    cursor: pointer;
  }
  #boot-screen a {
    color: var(--fk-cyan, #78dce8);
  }
  #boot-screen a:focus-visible,
  #boot-screen summary:focus-visible {
    outline: 3px solid var(--fk-focus, #78dce8);
    outline-offset: 4px;
    background: var(--fk-panel-raised, #182531);
  }
  #boot-screen .launch-help {
    margin-top: 24px;
    border-top: 1px solid var(--fk-line, #425563);
    padding-top: 12px;
    color: var(--fk-muted, #a5b2bb);
    font-size: var(--fk-text-body, 18px);
  }
  #boot-screen .launch-help summary {
    min-height: 44px;
    align-content: center;
    color: var(--fk-text, #f3f0db);
    cursor: pointer;
  }
  #boot-screen .launch-help p {
    margin: 12px 0;
  }
  #boot-screen code {
    font: 500 var(--fk-text-secondary, 14px) / 1.5 var(--fk-font-mono, 'Field Kit Mono', monospace);
    overflow-wrap: anywhere;
  }
  #boot-screen .launch-command {
    display: block;
    padding: 12px;
    border-left: 3px solid var(--fk-cyan, #78dce8);
    background: var(--fk-bg, #070b12);
    user-select: all;
  }
  #boot-screen .launch-detail,
  #boot-screen .launch-notice {
    margin: 20px 0 0;
    color: var(--fk-amber, #f4bf62);
    font-size: var(--fk-text-body, 18px);
  }
  #boot-screen .launch-detail {
    font-family: var(--fk-font-mono, 'Field Kit Mono', monospace);
    font-size: var(--fk-text-secondary, 14px);
  }
  #boot-screen[hidden],
  #boot-screen [hidden] {
    display: none !important;
  }
  @media (max-width: 420px) {
    #boot-screen.launch-screen {
      padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px))
        max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
    }
    #boot-screen .launch-card {
      padding: 20px;
    }
    #boot-screen .launch-action {
      width: 100%;
    }
  }
  /* The launch surface shares the title hangar; text remains live and readable. */
  #boot-screen.launch-screen {
    background-image:
      linear-gradient(rgb(7 11 18 / 65%), rgb(7 11 18 / 88%)),
      url('./presentation/compiled/assets/72b6c93f47090f3a3724223477e22cbc461132329768e70b82cdb87d85a72052.png');
    background-position: center;
    background-size: cover;
    image-rendering: pixelated;
  }
  #boot-screen .launch-card {
    background: rgb(16 25 35 / 96%);
  }

  @media (max-width: 680px) {
    #boot-screen.launch-screen {
      background-image:
        linear-gradient(rgb(7 11 18 / 45%), rgb(7 11 18 / 75%)),
        url('./presentation/compiled/assets/8fe3df81db48bf682862a06c8f7434365ff49151a2a72a94c0a85ea85a3adf27.png');
    }
  }
}