/* Dotshot (domain Aim): the cards of the home page, the arena and its targets. Prefixed classes, colours from the tokens
   of neurostim.css only. */
.am-sub { font-size: var(--ns-size-lg); font-weight: 400; }
.am-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: var(--ns-space-4); margin: 0 0 var(--ns-space-5); }
.am-card { display: flex; flex-direction: column; gap: var(--ns-space-2); }
.am-card h2 { margin: 0; }
.am-card p, .am-card form { margin: 0; }
.am-score { font-size: var(--ns-size-2xl); font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ns-text-strong); }
.am-boards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 26rem), 1fr)); gap: 0 var(--ns-space-5); }
.am-rules { margin-top: var(--ns-space-6); }

.am-game { width: min(100%, 32rem); margin: 0 auto var(--ns-space-4); }
.am-bar { display: flex; justify-content: space-between; align-items: baseline; margin: 0 0 var(--ns-space-2); font-size: var(--ns-size-xl); font-weight: 700; font-variant-numeric: tabular-nums; }
.am-arena { position: relative; width: 100%; aspect-ratio: 1; overflow: hidden; background: var(--ns-tint); border: 2px solid var(--ns-border-strong); border-radius: var(--ns-radius); touch-action: none; user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent; cursor: crosshair; }
.am-arena.am-miss { animation: am-miss 0.25s; }
@keyframes am-miss { from { border-color: var(--ns-error); background: var(--ns-error-soft); } }
.am-target { position: absolute; box-sizing: border-box; border-radius: 50%; background: radial-gradient(circle, var(--ns-on-accent) 0 18%, var(--ns-accent) 19% 42%, var(--ns-on-accent) 43% 58%, var(--ns-accent-dark) 59%); box-shadow: 0 0 0 3px var(--ns-accent-light); pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .am-arena.am-miss { animation: none; border-color: var(--ns-error); } }