/* Fullscreen uses layout only: never transform or rewrite a game's canvas. */
.game-fullscreen {
  min-height: 42px;
  padding: 9px 12px;
  flex-shrink: 0;
  border: 1px solid #626267;
  border-radius: 10px;
  background: #29292d;
  color: #fafafa;
  font: inherit;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
}
.game-fullscreen:hover { background: #3a3a40; border-color: #a4a4aa; }
.game-fullscreen:focus-visible { outline: 3px solid #c65b26; outline-offset: 3px; }
.game-fullscreen[aria-pressed="true"] { background: #efeff1; color: #171719; border-color: #fff; }
.game-main.dg-expanded {
  position: fixed;
  inset: 0;
  z-index: 1000;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  margin: 0;
  padding: max(10px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  box-sizing: border-box;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  background: #101012;
  color: #f3f3f5;
  isolation: isolate;
}
.game-main.dg-expanded::backdrop { background: #101012; }
.game-main.dg-expanded > .game-head {
  position: sticky;
  top: 0;
  z-index: 15;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto 12px;
  background: #1b1b1f;
  border-color: #414147;
  box-shadow: 0 5px 16px #0005;
}
.game-main.dg-expanded > .game-context,
.game-main.dg-expanded > .match-brief { max-width: 1200px; margin-left: auto; margin-right: auto; }
.game-main.dg-expanded > .game-box {
  width: 100%;
  min-width: 0;
  max-width: none;
  box-sizing: border-box;
  margin: 0 auto;
  align-items: flex-start;
}
.game-main.dg-expanded > .modal-back {
  z-index: 80;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
}
.game-main.dg-expanded > .modal-back .modal-box { max-height: calc(100dvh - 48px); }
.game-main.dg-expanded > .toast { z-index: 90; bottom: max(20px, env(safe-area-inset-bottom)); }
@media (max-width: 600px) {
  .game-main.dg-expanded { padding-left: max(6px, env(safe-area-inset-left)); padding-right: max(6px, env(safe-area-inset-right)); }
  .game-main.dg-expanded > .game-head { gap: 8px; padding: 9px; }
  .game-main.dg-expanded > .game-head .game-fullscreen { margin-left: auto; }
  .game-fullscreen { font-size: .76rem; padding: 8px 10px; }
}

.game-main.dg-expanded > .game-head .game-name,
.game-main.dg-expanded > .game-head .score-slot { color: #f5f5f7; }
.game-main.dg-expanded > .game-head .game-mode,
.game-main.dg-expanded > .game-context { color: #c8c8d0; }
.game-main.dg-expanded .game-fullscreen:focus-visible { outline-color: #fff; }

/* Expanded phone play keeps the game and its three essential controls close.
   Context and format are already available in Help and the normal game page. */
@media (max-width: 600px), (max-width: 1000px) and (max-height: 500px) and (orientation: landscape) {
  .game-main.dg-expanded {
    gap: 6px;
    padding: max(4px, env(safe-area-inset-top)) max(4px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(4px, env(safe-area-inset-left));
    scroll-padding-top: 90px;
  }
  .game-main.dg-expanded > .game-context,
  .game-main.dg-expanded > .match-brief,
  .game-main.dg-expanded > .game-head > a,
  .game-main.dg-expanded > .game-head .game-mode { display: none; }
  .game-main.dg-expanded > .game-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px 44px 64px;
    gap: 4px 6px;
    width: 100%;
    min-width: 0;
    padding: 6px;
    margin: 0;
    border-radius: 10px;
  }
  .game-main.dg-expanded > .game-head .game-id { grid-column: 1; grid-row: 1; }
  .game-main.dg-expanded > .game-head .game-name {
    font-size: .76rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
  }
  .game-main.dg-expanded > .game-head .score-slot {
    grid-column: 1 / -1;
    grid-row: 2;
    margin: 0;
    min-width: 0;
    text-align: left;
    justify-self: stretch;
    font-size: .69rem;
    line-height: 1.3;
    overflow-wrap: anywhere;
    font-variant-numeric: tabular-nums;
  }
  .game-main.dg-expanded > .game-head > [aria-label="How to play"] { grid-column: 2; grid-row: 1; }
  .game-main.dg-expanded > .game-head > [aria-label="Restart game"] { grid-column: 3; grid-row: 1; }
  .game-main.dg-expanded > .game-head .game-fullscreen {
    grid-column: 4;
    grid-row: 1;
    width: 100%;
    min-width: 0;
    min-height: 44px;
    margin: 0;
    padding: 6px;
    font-size: 0;
  }
  /* The existing aria-label retains the full accessible action name. */
  .game-main.dg-expanded > .game-head .game-fullscreen::after { content: '↙ Exit'; font-size: .74rem; }
  .game-main.dg-expanded > .game-head > button { min-height: 44px; touch-action: manipulation; }
  .game-main.dg-expanded > .game-box { padding: 4px; border-radius: 10px; }
}

/* A side rail gives a short landscape viewport its full vertical play area.
   Games keep their own aspect ratio and responsive sizing inside the second column. */
@media (max-width: 1000px) and (max-height: 500px) and (orientation: landscape) {
  .game-main.dg-expanded {
    display: grid;
    grid-template-columns: 136px minmax(0, 1fr);
    align-items: start;
    align-content: start;
    gap: 8px;
    padding: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
    scroll-padding-top: 8px;
  }
  .game-main.dg-expanded > .game-head {
    grid-column: 1;
    grid-row: 1;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px 6px;
    align-self: start;
    padding: 8px;
  }
  .game-main.dg-expanded > .game-head .game-id { grid-column: 1 / -1; grid-row: 1; }
  .game-main.dg-expanded > .game-head .score-slot { grid-column: 1 / -1; grid-row: 2; font-size: .68rem; }
  .game-main.dg-expanded > .game-head > [aria-label="How to play"] { grid-column: 1; grid-row: 3; justify-self: center; }
  .game-main.dg-expanded > .game-head > [aria-label="Restart game"] { grid-column: 2; grid-row: 3; justify-self: center; }
  .game-main.dg-expanded > .game-head .game-fullscreen {
    grid-column: 1 / -1;
    grid-row: 4;
    font-size: .72rem;
  }
  .game-main.dg-expanded > .game-head .game-fullscreen::after { content: none; }
  .game-main.dg-expanded > .game-box { grid-column: 2; grid-row: 1; }
}