/* V5.10 — iPhone Safari: one-screen gameplay with no page scrolling. */
@media (max-width: 480px) {
  html, body, #root {
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden !important;
  }

  body {
    position: fixed;
    inset: 0;
  }

  .app-shell {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    min-height: 0;
    padding: max(3px, env(safe-area-inset-top)) 4px max(3px, env(safe-area-inset-bottom));
    display: flex;
    align-items: stretch;
    justify-content: center;
    overflow: hidden !important;
  }

  .game-card {
    display: flex;
    flex-direction: column;
    width: min(100%, 410px);
    height: calc(100dvh - max(6px, env(safe-area-inset-top)) - max(6px, env(safe-area-inset-bottom)));
    max-height: none;
    min-height: 0;
    padding: 6px;
    border-radius: 12px;
    overflow: hidden !important;
  }

  .corporate-ribbon {
    min-height: 22px;
    margin: -6px -6px 4px;
    padding: 4px 8px;
    border-bottom-width: 2px;
  }

  .corporate-ribbon span { font-size: 6px; }
  .corporate-ribbon strong { font-size: 8px; }

  header {
    flex: none;
    min-height: 48px;
    padding: 0 2px 4px;
  }

  .brand-title { gap: 6px; }
  .brand-title > img { width: 82px; padding: 3px; }
  .eyebrow { margin-bottom: 1px; font-size: 6px; letter-spacing: .17em; }
  h1 { font-size: 17px; }
  .header-actions { grid-template-columns: 1fr 1fr; }
  .leaderboard-trigger, .sound-trigger { padding: 5px 4px; font-size: 6px; }

  footer { display: none !important; }

  .game-card:has(.flow-panel) .canvas-wrap,
  .game-card:has(.commission-panel) .canvas-wrap,
  .game-card:has(.corporate-finish) .canvas-wrap {
    flex: 1 1 0;
    width: 100%;
    height: 0;
    min-height: 0;
    max-height: none;
    aspect-ratio: auto;
  }

  .game-card:has(.flow-panel) > .jel-capabilities,
  .game-card:has(.commission-panel) > .jel-capabilities,
  .game-card:has(.corporate-finish) > .jel-capabilities {
    display: none;
  }

  .flow-panel {
    display: flex;
    flex-direction: column;
    padding: 6px 7px;
    overflow: hidden !important;
  }

  .flow-head { flex: none; padding: 4px 6px; }
  .flow-head strong { font-size: 17px; }
  .flow-instructions { flex: none; margin: 3px 0; }
  .flow-instructions span { margin: 1px; font-size: 6px; }
  .flow-instructions button { padding: 3px 6px; }
  .flow-route { flex: 1 1 0; min-height: 0; }
  .flow-grid { height: 100%; min-height: 0; grid-template-rows: repeat(3, 1fr); gap: 3px; }
  .flow-tile { min-height: 0; }
  .flow-tile span { height: 30px; font-size: 23px; }
  .route-status { flex: none; margin-top: 3px; }
  .parts-key { flex: none; gap: 3px; margin: 3px 16px 0; }
  .parts-key span { padding: 3px 5px; font-size: 6px; }

  .commission-panel,
  .pressure-challenge {
    display: flex;
    flex-direction: column;
    padding: 7px 10px;
    overflow: hidden !important;
  }

  .commission-panel > p { font-size: 6px; }
  .commission-panel h2 { margin: 2px 0 4px; font-size: 17px; }
  .commission-score { margin-bottom: 4px; padding: 4px 7px; }
  .test-phases { margin: 1px 0 5px; }
  .test-phases span { padding: 4px 1px; font-size: 6px; }
  .digital-gauge { margin-bottom: 4px; padding: 6px 10px; }
  .digital-gauge strong { font-size: 38px; }
  .digital-gauge em { top: 10px; right: 10px; padding: 3px 5px; }
  .pressure-gauge { margin: 5px 2px; }
  .pressure-button, .balance-controls button { height: 38px; }
  .hold-progress { height: 23px; margin-top: 5px; }
  .commission-note { margin-top: 4px; }

  .corporate-finish {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 6px 10px;
    overflow: hidden !important;
  }

  .corporate-finish .operating-scene {
    flex: 0 1 120px;
    min-height: 92px;
    height: 120px;
    margin-bottom: 4px;
  }

  .corporate-finish h2 { margin: 0 0 3px; font-size: 18px; }
  .corporate-finish > p { margin: 0 0 4px; font-size: 8px; line-height: 1.15; }
  .finish-brand { margin: 0 0 4px; padding: 4px; }
  .finish-brand strong { font-size: 8px; }
  .finish-brand span { display: none; }
  .finish-brand b { margin-top: 2px; font-size: 8px; }
  .score-entry { margin: 0 0 4px; }
  .score-entry input { flex: 1; width: auto; min-width: 0; padding: 7px; }
  .score-entry button { flex: none; padding: 7px 9px; }
  .corporate-finish > button { padding: 8px 15px; font-size: 9px; }
  .jel-link { margin-top: 4px; font-size: 6px; }
}

@media (max-width: 480px) and (max-height: 680px) {
  .corporate-ribbon { display: none; }
  header { min-height: 43px; }
  .corporate-finish .operating-scene { flex-basis: 92px; min-height: 78px; }
  .parts-key { display: none; }
}