.board-wrap {
  position: relative;
  width: 100%;
  display: grid;
  place-items: center;
  min-height: 260px;
}

.minefield-board {
  --field-size: 12;
  width: min(100%, 450px);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(var(--field-size), minmax(0, 1fr));
  grid-template-rows: repeat(var(--field-size), minmax(0, 1fr));
  gap: 2px;
  padding: 7px;
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: var(--ink);
  box-shadow: 7px 7px 0 color-mix(in srgb, var(--lime) 68%, var(--ink));
  touch-action: manipulation;
  user-select: none;
}

.minefield-board[data-difficulty="easy"] {
  width: min(100%, 370px);
}

.minefield-board[data-difficulty="hard"] {
  width: min(100%, 475px);
  gap: 1px;
  padding: 6px;
}

.mine-cell {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: clamp(2px, 0.45vw, 6px);
  color: var(--paper);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--ink) 88%, white), var(--ink));
  box-shadow:
    inset 1px 1px 0 color-mix(in srgb, var(--paper) 22%, transparent),
    inset -2px -2px 0 color-mix(in srgb, black 18%, transparent);
  font-size: clamp(0.58rem, 1.55vw, 1rem);
  font-weight: 950;
  line-height: 1;
  cursor: pointer;
  transition: transform 90ms ease, background-color 120ms ease, color 120ms ease;
}

.mine-cell:hover:not(.is-revealed) {
  background: color-mix(in srgb, var(--blue) 56%, var(--ink));
}

.mine-cell:active:not(.is-revealed) {
  transform: scale(0.91);
}

.mine-cell.is-selected {
  z-index: 2;
  outline: 3px solid var(--lime);
  outline-offset: -2px;
}

.mine-cell.is-revealed {
  color: var(--ink);
  background: color-mix(in srgb, var(--paper) 87%, white);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ink) 8%, transparent);
  cursor: default;
}

.mine-cell.is-zero {
  background: color-mix(in srgb, var(--lime) 14%, var(--paper));
}

.mine-cell.is-flagged {
  color: var(--paper);
  background: var(--blue);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--paper) 22%, transparent);
}

.flag-symbol {
  display: block;
  transform: rotate(45deg) scale(0.62);
  width: 55%;
  aspect-ratio: 1;
  border: 2px solid var(--paper);
  border-radius: 2px;
  background: var(--paper);
  box-shadow: 3px 3px 0 color-mix(in srgb, var(--ink) 35%, transparent);
}

.mine-cell.is-mine {
  background: color-mix(in srgb, var(--coral) 75%, var(--paper));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ink) 16%, transparent);
}

.mine-cell.is-exploded {
  background: var(--coral);
  animation: mine-pop 320ms ease both;
}

.mine-symbol {
  position: relative;
  width: 48%;
  aspect-ratio: 1;
  display: block;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 2px var(--ink);
}

.mine-symbol::before,
.mine-symbol::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -34%;
  width: 168%;
  height: 2px;
  background: var(--ink);
  transform: translateY(-50%);
}

.mine-symbol::after {
  transform: translateY(-50%) rotate(90deg);
}

.mine-cell.is-wrong-flag {
  color: var(--ink);
  background: var(--coral);
}

.wrong-flag-symbol {
  font-size: 1.25em;
  font-weight: 950;
}

.mine-cell.cell--n1 { color: var(--blue); }
.mine-cell.cell--n2 { color: color-mix(in srgb, var(--ink) 78%, var(--lime)); }
.mine-cell.cell--n3 { color: color-mix(in srgb, var(--coral) 80%, var(--ink)); }
.mine-cell.cell--n4 { color: color-mix(in srgb, var(--blue) 68%, var(--ink)); }
.mine-cell.cell--n5,
.mine-cell.cell--n6,
.mine-cell.cell--n7,
.mine-cell.cell--n8 { color: var(--ink); }

.minefield-board.is-flag-mode .mine-cell:not(.is-revealed) {
  cursor: cell;
}

.minefield-board.is-complete {
  box-shadow: 7px 7px 0 var(--lime), 0 0 0 5px color-mix(in srgb, var(--lime) 25%, transparent);
}

.pause-overlay {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: 5;
  width: min(82%, 270px);
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: 20px;
  border: 1px solid var(--ink);
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface-raised) 94%, transparent);
  box-shadow: 7px 7px 0 var(--ink), var(--shadow-raised);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(8px);
}

.pause-overlay > span {
  width: 45px;
  height: 45px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--paper);
  background: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  font-weight: 900;
}

.pause-overlay strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
}

.pause-overlay .primary-button {
  min-width: 130px;
  margin-top: 7px;
  justify-content: center;
}

@keyframes mine-pop {
  0% { transform: scale(0.6); }
  58% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .mine-cell,
  .mine-cell.is-exploded {
    transition: none;
    animation: none;
  }
}