/* Sólo Serpiente: tokens compartidos de Break Club. Sin reset global o tema propio. */
.snake-page .snake-shell {
  max-width: 560px; margin: 24px auto; padding: 24px;
  border: 1px solid var(--button-line); border-radius: var(--radius);
  background: var(--panel); color: var(--ink);
}
.snake-page .snake-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.snake-page .snake-toolbar button,
.snake-page .snake-directions button {
  min-width: 48px; min-height: 48px; padding: 10px 16px;
  border: 1px solid var(--button-line); border-radius: var(--radius);
  background: var(--cell); color: var(--ink); font: inherit; cursor: pointer;
}
.snake-page .snake-toolbar #snake-start {
  background: var(--coral); color: var(--on-accent); border-color: var(--coral);
}
.snake-page button:disabled { opacity: .55; cursor: default; }
.snake-page button:focus-visible,
.snake-page a:focus-visible,
.snake-page summary:focus-visible,
.snake-page .snake-board:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
.snake-page .snake-progress { font-size: 18px; line-height: 1.55; margin: 12px 0; }
.snake-page .snake-board,
.snake-page .snake-paused {
  width: 100%; aspect-ratio: 1/1; max-width: 480px; margin-inline: auto;
  border: 2px solid var(--button-line); border-radius: var(--radius);
  padding: 5px; box-sizing: border-box; background: var(--bg);
}
.snake-page .snake-board {
  display: grid; grid-template-columns: repeat(12,minmax(0,1fr));
  grid-template-rows: repeat(12,minmax(0,1fr)); gap: 2px;
}
.snake-page .snake-cell {
  display: grid; place-items: center; min-width: 0; min-height: 0;
  background: var(--cell); border-radius: 2px; line-height: 1;
  font-size: clamp(11px,3vw,19px); font-family: inherit; font-weight: 700; color: var(--ink);
}
.snake-page .snake-cell.body { background: var(--ink); color: var(--bg); }
.snake-page .snake-cell.head,
.snake-page .snake-cell.food { background: var(--coral); color: var(--on-accent); }
.snake-page .snake-paused {
  display: grid; place-items: center; text-align: center; padding: 24px;
  border-style: dashed; background: var(--panel);
}
.snake-page .snake-board[hidden],
.snake-page .snake-paused[hidden] { display: none; }
.snake-page .snake-legend { font-size: 14px; line-height: 1.65; color: var(--muted); }
.snake-page .snake-directions {
  display: grid; grid-template-columns: repeat(3,64px); grid-template-rows: repeat(2,52px);
  justify-content: center; gap: 10px; margin: 20px auto;
}
.snake-page .snake-directions button { padding: 8px; font-size: 25px; line-height: 1; }
.snake-page .snake-directions [data-direction="up"] { grid-column: 2; grid-row: 1; }
.snake-page .snake-directions [data-direction="left"] { grid-column: 1; grid-row: 2; }
.snake-page .snake-directions [data-direction="down"] { grid-column: 2; grid-row: 2; }
.snake-page .snake-directions [data-direction="right"] { grid-column: 3; grid-row: 2; }
.snake-page .snake-directions button[aria-pressed="true"] {
  border-color: var(--coral); box-shadow: inset 0 0 0 1px var(--coral);
}
.snake-page .snake-mode { min-height: 3em; line-height: 1.55; }
.snake-page .snake-readout,
.snake-page .snake-help { font-size: 15px; line-height: 1.6; }
.snake-page .snake-storage,
.snake-page .snake-access { font-size: 14px; line-height: 1.6; color: var(--muted); }
.snake-page .snake-live {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}
.snake-page .snake-rules { max-width: 640px; margin: 32px auto; line-height: 1.7; }
.snake-page .snake-rules h2 { font-size: 28px; }
.snake-page .snake-rules h3 { margin-top: 24px; }
.snake-page .snake-rules summary { cursor: pointer; min-height: 44px; }
.snake-page .snake-dialog {
  max-width: min(90vw,420px); box-sizing: border-box; background: var(--panel); color: var(--ink);
  border: 1px solid var(--button-line); border-radius: var(--radius); padding: 24px;
}
.snake-page .snake-dialog::backdrop { background: color-mix(in srgb,var(--bg) 80%,transparent); }
.snake-page .snake-dialog button {
  min-height: 48px; padding: 10px 14px; margin: 12px 6px 0 0;
  border-radius: var(--radius); font: inherit; border: 1px solid var(--button-line);
  background: var(--cell); color: var(--ink);
}
.snake-page .snake-dialog #snake-confirm { background: var(--coral); color: var(--on-accent); }
.snake-page .intro>p { max-width: 640px; margin: 16px auto; line-height: 1.6; }
.snake-page .snake-preview-note { max-width: 640px; margin: 16px auto; color: var(--muted); }
@media(max-width:600px) {
  .snake-page .snake-shell { padding: 16px; }
  .snake-page .snake-toolbar button { flex: 1; font-size: 15px; padding-inline: 10px; }
  .snake-page .snake-board { gap: 2px; padding: 4px; }
  .snake-page .snake-progress { font-size: 16px; }
}
@media(prefers-reduced-motion:reduce) { .snake-page * { scroll-behavior: auto; } }