/* Snake */
.cg-layout { display: grid; grid-template-columns: minmax(0, 520px) minmax(260px, 1fr); gap: 20px; margin: 18px 0; align-items: start; }
.cg-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin: 18px 0 0; }
.cg-head h1 { font-size: calc(28px * var(--fs, 1)); }
.cg-groups { display: flex; flex-direction: column; gap: 8px; }
.levels { display: flex; gap: 8px; flex-wrap: wrap; }
.side { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.buddy { max-width: 240px; margin: 0 auto; width: 100%; }
.bubble { background: var(--raised); border: 2px solid var(--border); border-radius: 14px; padding: 10px 14px; font-weight: 600; min-height: 56px; }
.stat { color: var(--text-2); font-size: calc(16px * var(--fs, 1)); }

.sn-wrap { display: flex; align-items: center; gap: 10px; min-height: var(--tap); padding: 4px 12px; border: 2px solid var(--border); border-radius: var(--radius); background: var(--card); cursor: pointer; font-weight: 700; font-size: calc(16px * var(--fs, 1)); }
.sn-wrap input { width: 24px; height: 24px; margin: 0; flex: 0 0 24px; accent-color: var(--primary); }

.sn-stats { display: flex; gap: 18px; justify-content: center; font-weight: 600; color: var(--text-2); margin-bottom: 8px; }
.sn-stats b { color: var(--text); font-family: "Plus Jakarta Sans", sans-serif; }
.sn-board-card { padding: 12px; }
.sn-board { position: relative; width: 100%; aspect-ratio: 1; border: 3px solid var(--arcade); border-radius: 10px; overflow: hidden; touch-action: none; user-select: none; -webkit-user-select: none; }
.sn-board canvas { display: block; width: 100% !important; height: 100% !important; }   /* the layout never waits for the script (full screen on / off); fit() then sharpens it */
.sn-layer { position: absolute; inset: 0; display: flex; flex-direction: column; gap: 10px; align-items: center; justify-content: center; padding: 14px;
  background: color-mix(in srgb, var(--card) 72%, transparent); text-align: center; }
.sn-layer[hidden] { display: none; }
.sn-layer p { margin: 0; font-weight: 800; font-size: calc(20px * var(--fs, 1)); }
.sn-end { padding: 18px; max-width: 340px; width: 100%; }
.sn-end h2 { font-size: calc(22px * var(--fs, 1)); color: var(--primary); }
.sn-end p { margin: 6px 0 10px; }
.sn-big { min-height: 56px; font-size: calc(18px * var(--fs, 1)); padding: 0 22px; }

.sn-controls { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; margin-top: 12px; }
.sn-pad { display: grid; grid-template-columns: repeat(3, 60px); grid-template-rows: repeat(2, 60px); gap: 6px; direction: ltr;
  grid-template-areas: ". up ." "left down right"; }
.sn-dir { min-height: 60px; min-width: 60px; padding: 0; font: 800 calc(26px * var(--fs, 1)) "Plus Jakarta Sans", sans-serif; touch-action: manipulation; }
.sn-up { grid-area: up; } .sn-left { grid-area: left; } .sn-right { grid-area: right; } .sn-down { grid-area: down; }
.sn-side-actions { display: grid; gap: 8px; }
.sn-side-actions .btn { min-height: 56px; }
.sn-keys { color: var(--text-2); font-size: calc(15px * var(--fs, 1)); margin: 10px 0 0; }
@media (hover: none) { .sn-keys { display: none; } }

@media (max-width: 900px) { .cg-layout { grid-template-columns: 1fr; } }
@media (max-width: 480px) {
  .main-sn { padding: 0 10px; }
  .cg-head h1 { font-size: calc(24px * var(--fs, 1)); }
  .sn-board-card { padding: 8px; }
  .sn-wrap { font-size: calc(15px * var(--fs, 1)); }
}

/* Full screen for play (shared mode in core.js / main.css): the board as large as the screen allows, the length line
   above, the arrows and Pause below it (upright) or beside it (sideways) */
:root[data-focus="on"] .sn-board-card { width: min(100cqw, var(--pc-fy) - 250px); padding: 0; border: 0; background: none; box-shadow: none; align-self: center; }
:root[data-focus="on"] .sn-stats { margin-bottom: 0; }
:root[data-focus="on"] .sn-controls { margin-top: 0; justify-content: center; }
@media (orientation: landscape) {
  :root[data-focus="on"] .sn-board-card { width: min(var(--pc-fy), 60cqw); }
  :root[data-focus="on"] .sn-controls { grid-template-columns: auto; justify-items: center; }
}