/* Luxe Sudoku — game-local flagship-quality shell polish (2026-09-10). */
html,
body,
#root {
  min-height: 100%;
  min-height: 100dvh;
}

html {
  background: #070b18;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  padding-top: env(safe-area-inset-top);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  overscroll-behavior: none;
}

#root {
  min-width: 0;
}

/* Keep shell controls comfortably tappable without inflating the 9x9 board cells. */
#btn-pause-toggle,
button[title="Pause"],
button[title="Resume"] {
  min-width: 44px;
  min-height: 44px;
  touch-action: manipulation;
}

button,
input,
select {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(251, 191, 36, 0.92);
  outline-offset: 3px;
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  #root {
    width: 100%;
    max-width: 100vw;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  body {
    overflow-y: auto;
    overscroll-behavior-y: contain;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}