/* === Minimal Reset === */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100dvh;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

/* Smooth theme transitions */
*,
*::before,
*::after {
  transition: background-color var(--transition-theme),
              color var(--transition-theme),
              border-color var(--transition-theme),
              box-shadow var(--transition-theme);
}

/* Exclude game elements from slow theme transitions */
.game-2048 .tile,
.game-2048 .tile-container,
.game-snake canvas,
.game-2048 .grid-cell,
.game-2048 .game-over-overlay,
.guest-card,
.patience-bar,
.bottom-sheet {
  transition: none;
}