/* The /demo page (views/demo.ejs, public/js/page-demo.js): every bingo mode
   played by four demo players on a real card. The page frame is the shared
   content-page card (content-pages.css); the mode picker, caption, roster and
   controls are the demo family shared with the Board Game demo (styles.css,
   .board-demo__*); tiles are the game's own .bingo-card. This file only lays
   them out and adds the two demo-only tile marks. */

body.demo-page .demo-content {
  display: grid;
  gap: var(--space-5);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.demo-header h1 {
  margin: 0 0 var(--space-2);
  color: var(--color-heading);
}

.demo-lead {
  margin: 0;
  color: var(--color-subtle);
  line-height: 1.65;
}

/* One button per mode; wraps into rows as modes are added. */
.board-demo__tabs.demo-modes {
  grid-auto-flow: row;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
}

.demo-info h2 {
  margin: 0 0 var(--space-2);
  color: var(--color-text);
}

.demo-info p {
  margin: 0;
  line-height: 1.6;
}

.demo-info__rules {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-5);
  color: var(--color-subtle);
  line-height: 1.6;
}

.demo-stage {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-2xl);
  background: var(--color-surface-alt);
}

/* The stage is a container: per-player boards read their own width. */
.demo-stage__board {
  container: demo-stage / inline-size;
}

/* One shared board, or each player's own board two by two. */
.demo-boards__board {
  margin: 0;
}

.demo-boards--each {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.demo-boards__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
  font-family: 'Poppins', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.demo-boards--each .bingo-card {
  border-spacing: var(--space-1);
}

/* The card only plays itself: no hanko cursor, nothing to tap. */
.demo-stage__board .bingo-card {
  max-width: 34rem;
  margin: 0 auto;
  cursor: default;
}

.demo-stage__board .bingo-card td {
  cursor: default;
}

/* A stamp that just landed, outlined in its owner's colour for a moment so
   the eye can follow the play. */
.demo-stage__board .bingo-card td.demo-tile--fresh {
  outline: 2px solid rgba(var(--stamp-rgb, 236, 80, 92), 0.9);
  outline-offset: 2px;
}

/* The winning line, held until the game starts again. */
.demo-stage__board .bingo-card td.demo-tile--win {
  outline: 3px solid rgb(var(--stamp-rgb, 236, 80, 92));
  outline-offset: 2px;
  animation: demo-tile-win 1.2s ease-in-out infinite alternate;
}

@keyframes demo-tile-win {
  from { outline-offset: 1px; }
  to { outline-offset: 4px; }
}

/* Four players: two by two on phones, one row from large phones up. */
.board-demo__roster.demo-stage__roster {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 641px) {
  .board-demo__roster.demo-stage__roster {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Timed Gauntlet: the game's own panel, with the clock in its header. */
.demo-gauntlet {
  width: 100%;
  max-width: 34rem;
  margin: 0 auto;
}

/* The skip icons sit in the player's row, under the name. */
.demo-stage__skips {
  grid-column: 2;
}

.demo-gauntlet__clock {
  font-family: 'Chakra Petch', sans-serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-heading);
}

/* Scoreboard: the app's own display (partials/scoreboard-display.ejs); a
   score that changes gives a short pulse so the eye finds it. */
.demo-scoreboard {
  background: transparent;
}

/* The LED dots follow the stage's width (the demo-stage container): 7px dots
   need about 44rem for the clock and four scores; a phone gets 3px. */
.scoreboard-page.sb-style-dotmatrix.demo-scoreboard {
  --sb-dot-size: clamp(3px, 1cqi, 7px);
  --sb-dot-gap: clamp(1px, 0.25cqi, 2px);
  --sb-dot-char-gap: clamp(3px, 0.8cqi, 6px);
}

.demo-score-bump {
  animation: demo-score-bump 0.6s ease-out;
}

@keyframes demo-score-bump {
  from { transform: scale(1.18); }
  to { transform: scale(1); }
}

/* Tournament: the settings card while players join, then the app's own
   bracket (tournament.css), scrolling sideways inside the stage if it must. */
.demo-tournament__setup {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--space-2) var(--space-4);
  max-width: 24rem;
  margin: 0 auto;
  padding: var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.demo-tournament__setup dt {
  color: var(--color-subtle);
}

.demo-tournament__setup dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-text);
}

.demo-tournament__bracket {
  overflow-x: auto;
}

/* The winner's highlight already shows each result; the "Final" badge is
   styled only by the tournament pages' arena skin, which the demo does not
   load. */
.demo-tournament__bracket .tournament-bracket-result-summary {
  display: none;
}

/* Bro vs Bro: Bro's four steps, then each player's card with their score
   and games. Each card carries its player's stamped-<COLOUR> for
   --stamp-rgb, like every player colour in the app. */
.demo-bro {
  display: grid;
  gap: var(--space-3);
}

.demo-bro__steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo-bro__step {
  padding: var(--space-2);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  text-align: center;
  color: var(--color-subtle);
}

.demo-bro__step.is-done {
  color: var(--color-text);
}

.demo-bro__step.is-current {
  border-color: var(--color-accent);
  background: var(--color-accent-soft-strong);
  color: var(--color-heading);
  font-weight: 600;
}

.demo-bro__series,
.demo-bro__coin {
  margin: 0;
  text-align: center;
  color: var(--color-subtle);
}

.demo-bro__coin {
  font-weight: 600;
  color: var(--color-text);
}

.demo-bro__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.demo-bro__card {
  padding: var(--space-3);
  border: 1px solid rgba(var(--stamp-rgb), 0.5);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.demo-bro__card.is-winner {
  border-color: rgb(var(--stamp-rgb));
  background: rgba(var(--stamp-rgb), 0.12);
}

.demo-bro__head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.demo-bro__name {
  color: var(--color-text);
}

.demo-bro__badge {
  padding: 0 var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft-strong);
  font-size: var(--text-2xs);
  color: var(--color-heading);
}

.demo-bro__score {
  margin-left: auto;
  font-family: 'Chakra Petch', sans-serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: rgb(var(--stamp-rgb));
}

.demo-bro__vetoes {
  margin: var(--space-1) 0 var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-subtle);
}

.demo-bro__games {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo-bro__game {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.demo-bro__game.is-vetoed {
  text-decoration: line-through;
  color: var(--color-subtle);
}

.demo-bro__game.is-played {
  opacity: 0.8;
}

.demo-bro__game.is-now {
  outline: 2px solid var(--color-accent);
}

.demo-bro__tag {
  font-size: var(--text-2xs);
  color: var(--color-subtle);
}

/* A game that lists its players itself leaves the page's list empty. */
.demo-stage__roster:empty {
  display: none;
}

.demo-stage__player--winner {
  border-color: rgb(var(--stamp-rgb));
  background: rgba(var(--stamp-rgb), 0.12);
}

.demo-cta {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  text-align: center;
}

.demo-cta h2 {
  margin: 0;
  color: var(--color-text);
}

.demo-cta .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

/* Four boards side by side need about 10rem a board to read their goals
   (4 x 10rem + gaps); narrower, they show fog, stamps and climbs only, and
   the caption names each goal. */
@container demo-stage (max-width: 40rem) {
  /* Transparent rather than hidden: the stamp and fog art stay, and the
     tile text fitter (cardTiles.fitTileText) still has text to measure. */
  .demo-boards--each .tile-content {
    color: transparent;
  }
}

@media (max-width: 480px) {
  body.demo-page .demo-container {
    padding: 0 var(--space-2);
  }

  body.demo-page .demo-content {
    padding: var(--space-4) var(--space-3);
  }

  .demo-stage {
    padding: var(--space-2);
  }

  .demo-stage__board .bingo-card {
    border-spacing: var(--space-1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-stage__board .bingo-card td.demo-tile--win,
  .demo-score-bump {
    animation: none;
  }
}