/* Shared viewport fit. Loaded last so it wins over page styles.
   The page is one screen. Content scrolls. Bottom bars stay on screen. */

html {
  height: 100vh;
  height: 100dvh;
  height: var(--app-h, 100dvh);
  overflow: hidden;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  min-height: var(--app-h, 100dvh);
}

body.home,
body.game {
  height: 100vh;
  height: 100dvh;
  height: var(--app-h, 100dvh);
  max-height: 100vh;
  max-height: 100dvh;
  max-height: var(--app-h, 100dvh);
  min-height: 0;
  overflow: hidden;
}

body.home {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

body.game {
  display: flex;
  flex-direction: column;
}

body.game > .topbar,
body.game > .quest-top,
body.game > .dock,
body.game > #joyce-chrome {
  flex: 0 0 auto;
}

#joyce-chrome {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

body.game > .app,
body.game > .quest-app,
body.game > .books-app,
body.game > .hw-app {
  flex: 1 1 auto;
  min-height: 0;
  width: min(1100px, 100%);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

body.spa {
  height: 100vh;
  height: 100dvh;
  height: var(--app-h, 100dvh);
  max-height: var(--app-h, 100dvh);
}

/* Bottom bars. The page padding already includes the safe area.
   The bar repeats the inset so a fixed or sticky bar cannot slide
   under the home indicator. */
body.game > .dock,
.play-layout > .side,
.stack-top,
.quest-app > .q-next:last-child,
.books-app > .book-next:last-child,
.hw-app > .hw-shoot,
.panel > .big-btn:last-child {
  padding-bottom: max(8px, env(safe-area-inset-bottom));
}

.stack-top,
.quest-app > .q-next:last-child,
.panel > .big-btn:last-child {
  position: sticky;
  bottom: 0;
  z-index: 4;
}

/* Treasure Map: the walk button used to stick over the last islands.
   The grid scrolls. The button stays underneath, on screen. */
body.game > .quest-app[data-screen="map"] {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.game > .quest-app[data-screen="map"] > .mascot {
  flex: 0 0 auto;
}

body.game > .quest-app[data-screen="map"] > .map-grid {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  align-content: start;
}

body.game > .quest-app[data-screen="map"] > .q-next,
body.game > .quest-app[data-screen="map"] > .quest-side {
  position: static;
  flex: 0 0 auto;
  z-index: auto;
}

.play-layout .actions {
  position: sticky;
  bottom: 0;
  z-index: 4;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.96);
  border-radius: 18px;
}

/* Question screens: the card scrolls, the buttons stay underneath. */
.quest-app:has(.q-card) {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.quest-app:has(.q-card) > .q-card {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.quest-app:has(.q-card) > .q-next,
.quest-app:has(.q-card) > .quest-side {
  flex: 0 0 auto;
  position: static;
}

/* Puzzle play: shrink the board into the space above the buttons. */
.app:has(.play-layout) {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 8px 12px 8px;
}

.play-layout {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.play-layout > .level-line,
.play-layout > .legend,
.play-layout > .chips {
  flex: 0 0 auto;
  width: min(640px, 100%);
}

.play-layout > .clue-card {
  flex: 0 0 auto;
  max-height: 140px;
  width: min(640px, 100%);
  overflow: auto;
}

.play-layout > .board-card {
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  display: grid;
  place-items: center;
  align-content: center;
  overflow: auto;
  container-type: size;
  container-name: puzzle;
}

.play-layout > .side {
  position: static;
  z-index: 5;
  flex: 0 1 auto;
  min-height: 0;
  width: min(560px, 100%);
  max-height: 46%;
  overflow: auto;
  padding-top: 4px;
}

.board {
  --gutter: clamp(40px, 16cqi, 112px);
  --gutter-top: clamp(32px, 14cqb, 84px);
  --cell: clamp(
    48px,
    min(
      calc((100cqi - var(--gutter) - 8px) / var(--n, 4)),
      calc((100cqb - var(--gutter-top) - 8px) / var(--n, 4))
    ),
    104px
  );
}

.board.cozy,
.board.wide {
  --cell: clamp(
    48px,
    min(
      calc((100cqi - var(--gutter) - 8px) / var(--n, 4)),
      calc((100cqb - var(--gutter-top) - 8px) / var(--n, 4))
    ),
    112px
  );
}

.cell {
  min-width: 48px;
  min-height: 48px;
}

/* Floors for controls that were under 48px. Do not lower controls
   that already use a taller min-height. */
.chip,
.starbar,
.parent-note summary,
.play-pill {
  min-height: 48px;
}

.play-pill {
  display: inline-flex;
  align-items: center;
  box-sizing: border-box;
}

/* Yellow game buttons share the class "sun" with the sky decoration.
   Keep them in the button bar at a full tap size. */
button.sun,
.big-btn.sun {
  position: static;
  top: auto;
  right: auto;
  width: auto;
  height: auto;
  border-radius: 18px;
}

.action,
.big-btn,
.menu-btn,
.q-choice,
.q-next,
.home-link,
.how-btn {
  min-width: 48px;
}

/* Wide short screens: board beside the buttons, both inside the height. */
@media (orientation: landscape) and (max-height: 1100px) {
  .play-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
    grid-template-rows: auto auto auto auto minmax(0, 1fr);
    align-items: stretch;
    justify-content: stretch;
    gap: 6px 16px;
    height: 100%;
    overflow: hidden;
  }

  .play-layout > .level-line,
  .play-layout > .legend,
  .play-layout > .chips,
  .play-layout > .clue-card {
    grid-column: 1 / -1;
    width: 100%;
  }

  .play-layout > .board-card,
  .play-layout > .side {
    grid-row: -1;
    max-height: none;
    height: 100%;
    min-height: 0;
  }

  .play-layout > .side {
    position: static;
    align-self: end;
    width: 100%;
    overflow: auto;
  }
}

/* Narrow cover screen and phones. */
@media (max-width: 520px) {
  .wrap {
    padding: 12px 12px 8px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 64px);
  }

  .game-card {
    flex-basis: 100%;
    min-height: 0;
    grid-template-columns: 72px 1fr;
    gap: 2px 10px;
    padding: 10px 12px;
    border-radius: 24px;
  }

  .game-emoji {
    width: 64px;
    height: 64px;
    font-size: 36px;
  }

  .game-title {
    font-size: clamp(24px, 7vw, 32px);
  }

  .game-about {
    font-size: 16px;
  }

  .parade {
    margin: 12px 0 4px;
    font-size: 28px;
  }

  .foot {
    padding-bottom: calc(96px + env(safe-area-inset-bottom));
  }

  .topbar,
  .quest-top {
    gap: 6px;
    padding: 8px 10px 0;
  }

  .topbar .home-link,
  .topbar .how-btn,
  .topbar .score-pill,
  .topbar .style-pill,
  .topbar .starbar,
  .quest-top .home-link,
  .quest-top .starbar {
    min-height: 48px;
    padding: 4px 10px;
    font-size: 16px;
  }

  .play-layout > .legend {
    font-size: 16px;
    line-height: 1.25;
    max-height: 2.6em;
    overflow: hidden;
  }

  .play-layout > .chips {
    flex-wrap: nowrap;
    justify-content: flex-start;
    max-height: 56px;
    overflow-x: auto;
  }

  .play-layout .key {
    min-height: 48px;
    font-size: 24px;
  }

  .play-layout .status {
    min-height: 40px;
    padding: 4px 8px;
    font-size: 16px;
  }

  .play-layout > .level-line h2 {
    font-size: 26px;
  }

  .play-layout > .clue-card {
    max-height: 96px;
  }

  .play-layout > .side {
    max-height: 230px;
  }

  .game-name {
    font-size: clamp(20px, 5vw, 28px);
  }

  .guest-card {
    min-height: 0;
    flex-basis: 140px;
    max-width: none;
  }

  .actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .action {
    padding: 8px 6px;
    font-size: 16px;
  }

  .key {
    font-size: clamp(22px, 6vw, 34px);
  }

  .treat {
    --ball: clamp(72px, 24vw, 136px);
    --ball-h: clamp(52px, 16vw, 94px);
    --base-w: clamp(96px, 32vw, 176px);
  }
}

@media (max-height: 820px) {
  .stage .doll,
  .spot .doll {
    zoom: 0.72;
  }

  .hello-avatar {
    font-size: 48px;
  }

  .menu-btn {
    min-height: 56px;
    font-size: 22px;
  }

  .picker-intro,
  .screen-intro {
    font-size: 22px;
    margin: 4px auto 8px;
  }
}

.bb-next {
  position: sticky;
  bottom: 0;
  z-index: 2;
}

/* How-to sheets stay inside the visible height. */
.overlay,
.bb-overlay {
  top: 0;
  right: 0;
  bottom: auto;
  left: 0;
  height: 100vh;
  height: 100dvh;
  height: var(--app-h, 100dvh);
  max-height: var(--app-h, 100dvh);
  padding-bottom: max(16px, env(safe-area-inset-bottom));
}

.sheet {
  max-height: min(92vh, 92dvh, calc(var(--app-h, 92dvh) - 32px));
}

/* Chat bubble: keep the open panel inside the visible height.
   chat.js also writes --kc-vh in pixels on resize. */
.kc-root {
  --kc-vh: 100vh;
  --kc-vh: 100dvh;
  --kc-vh: var(--app-h, 100dvh);
}

@media (max-width: 560px) {
  .kc-panel {
    height: 100vh;
    height: 100dvh;
    height: var(--kc-vh);
    max-height: var(--kc-vh);
  }
}