.game-shell [hidden] { display: none !important; }
.game-shell { max-width: 800px; margin-inline: auto; }
.game-shell .explanation-label { color: var(--accent); font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.game-shell h1.title { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.1; font-weight: 600; letter-spacing: -0.03em; text-wrap: balance; margin-top: 10px; }
html[dir="rtl"] .game-shell h1.title { line-height: 1.3; }
.game-shell .game-intro { margin-top: 16px; max-width: 46ch; text-align: start; -webkit-hyphens: manual; hyphens: manual; }
.footer__top h4 { color: var(--muted); }
.lockup__by { color: var(--muted); }
.footer .tiny { color: var(--muted); }

.game-setup { display: grid; gap: 20px; margin-block: 36px 8px; padding: clamp(20px, 4vw, 32px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--panel); }
.game-controls { display: grid; gap: 14px; grid-template-columns: 1fr; }
.game-start { justify-self: stretch; min-height: 54px; }
.game-status { min-height: 1.5em; margin-block: 12px; color: var(--muted); }

.game-card { min-height: 320px; display: flex; flex-direction: column; gap: 22px; margin-block: 8px 24px; padding: clamp(22px, 6vw, 48px); border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line)); border-radius: var(--radius-lg); background: var(--panel-hi); box-shadow: var(--lift); }
.game-card__meta { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; color: var(--muted); font-size: .875rem; }
.game-card__subject { font-weight: 600; color: var(--accent); }
.game-card__count { font-variant-numeric: tabular-nums; white-space: nowrap; }
.game-progress { block-size: 4px; border-radius: 4px; background: var(--line); overflow: hidden; margin-top: -10px; }
.game-progress span { display: block; block-size: 100%; inline-size: 0; background: var(--accent); transition: inline-size .25s ease; }
.game-card__front, .game-card__back { font-size: clamp(1.2rem, 3.4vw, 1.6rem); line-height: 1.7; }
.game-card__front { font-weight: 600; flex: 1; }
.game-card__back { padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-soft); }
.game-reveal { min-height: 54px; }
.game-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.game-actions .btn { flex: 1 1 150px; min-height: 54px; }
.game-shell .btn:focus-visible, .game-shell select:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

@media (max-width: 480px) {
  .game-shell { padding-top: 40px; }
  .game-shell .game-intro { max-width: 34ch; }
}
@media (min-width: 640px) {
  .game-setup { grid-template-columns: 1fr auto; align-items: end; }
  .game-controls:has(#game-group-field:not([hidden])) { grid-template-columns: 1fr 1fr; }
  .game-start { justify-self: end; padding-inline: 28px; }
}
@media (prefers-reduced-motion: reduce) { .game-progress span { transition: none; } }