.mines-shell {
  width: min(1180px, 100%);
}

.mines-toolbar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
  padding: 18px;
  background: #f9fbfe;
  border-bottom: 1px solid var(--line);
}

.mines-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mines-mode-btn,
.mines-action-btn,
.mines-custom-panel button,
.mines-dialog-actions button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  transition:
    background 0.18s,
    border-color 0.18s,
    color 0.18s,
    transform 0.18s;
}

.mines-mode-btn {
  padding: 0 16px;
  font-weight: 800;
}

.mines-mode-btn:hover,
.mines-action-btn:hover,
.mines-mode-btn:focus-visible,
.mines-action-btn:focus-visible,
.mines-reset-btn:hover,
.mines-reset-btn:focus-visible,
.mines-custom-panel input:focus {
  border-color: #0f8b8d;
  outline: none;
}

.mines-mode-btn.active,
.mines-action-btn.active {
  background: #0f8b8d;
  color: #fff;
  border-color: #0f8b8d;
}

.mines-play-tools {
  display: grid;
  grid-template-columns: auto auto;
  gap: 8px;
  align-items: center;
}

.mines-action-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(58px, 1fr));
  gap: 6px;
}

.mines-action-btn {
  min-width: 58px;
  padding: 0 12px;
  font-weight: 800;
}

.mines-score-strip {
  display: grid;
  grid-template-columns: 84px 48px 84px;
  gap: 10px;
  align-items: center;
}

.mines-score-item {
  min-width: 0;
  min-height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid #ccd4df;
  border-radius: 6px;
  background: #111827;
  color: #fff;
}

.mines-score-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.62);
}

.mines-score-item strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 22px;
  line-height: 1;
  color: #f14f45;
}

.mines-reset-btn {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid #ccd4df;
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 24px;
}

.mines-custom-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr)) auto;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.mines-custom-panel[hidden] {
  display: none;
}

.mines-custom-panel label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.mines-custom-panel input {
  width: 100%;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
}

.mines-custom-panel button {
  align-self: end;
  padding: 0 20px;
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  font-weight: 800;
}

.mines-board-wrap {
  overflow: auto;
  padding: 22px;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  background:
    linear-gradient(90deg, rgba(15, 139, 141, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(15, 139, 141, 0.06) 1px, transparent 1px), #edf2f8;
  background-size: 18px 18px;
}

.mines-board-frame {
  width: max-content;
  margin: 0 auto;
  padding: 12px;
  background: #b9c2cf;
  border: 1px solid #8e9aaa;
  border-radius: 6px;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.45),
    inset 0 -2px 0 rgba(37, 45, 59, 0.2);
}

.mines-board {
  --cell-size: 34px;
  display: grid;
  grid-template-columns: repeat(var(--cols), var(--cell-size));
  grid-auto-rows: var(--cell-size);
  gap: 2px;
  touch-action: manipulation;
  user-select: none;
}

.mines-cell {
  width: var(--cell-size);
  height: var(--cell-size);
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 4px;
  background: linear-gradient(145deg, #f7f9fc, #d8dee8);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(12px, calc(var(--cell-size) * 0.52), 18px);
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  box-shadow:
    inset 2px 2px 0 rgba(255, 255, 255, 0.86),
    inset -2px -2px 0 rgba(75, 85, 99, 0.26);
}

.mines-cell:hover,
.mines-cell:focus-visible {
  filter: brightness(1.04);
  outline: 2px solid rgba(15, 139, 141, 0.42);
  outline-offset: -2px;
}

.mines-cell.revealed {
  background: #eef2f7;
  box-shadow: inset 0 0 0 1px rgba(134, 146, 164, 0.55);
  cursor: default;
}

.mines-cell.flagged {
  color: #c2413b;
}

.mines-cell.exploded {
  background: #f7c7c4;
  color: #7f1d1d;
}

.mines-cell.mine {
  color: #111827;
}

.mines-cell[data-number="1"] {
  color: #2563eb;
}

.mines-cell[data-number="2"] {
  color: #16803c;
}

.mines-cell[data-number="3"] {
  color: #dc2626;
}

.mines-cell[data-number="4"] {
  color: #4c1d95;
}

.mines-cell[data-number="5"] {
  color: #a14416;
}

.mines-cell[data-number="6"] {
  color: #087b83;
}

.mines-cell[data-number="7"] {
  color: #111827;
}

.mines-cell[data-number="8"] {
  color: #6b7280;
}

.mines-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #fff;
}

.mines-status-row p {
  margin: 0;
}

.mines-best-text {
  font-weight: 800;
  color: #0b5f60;
  text-align: right;
}

.mines-dialog-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(17, 24, 39, 0.55);
  z-index: 20;
}

.mines-dialog-backdrop[hidden] {
  display: none;
}

.mines-result-dialog {
  width: min(420px, 100%);
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.mines-result-dialog h2 {
  margin: 0 0 10px;
  line-height: 1.25;
}

.mines-result-dialog p {
  margin: 0 0 20px;
  color: var(--muted);
}

.mines-dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.mines-dialog-actions button {
  padding: 0 18px;
}

.mines-dialog-actions button:first-child {
  background: #0f8b8d;
  color: #fff;
  border-color: #0f8b8d;
}

@media (max-width: 800px) {
  .mines-toolbar {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .mines-score-strip {
    justify-self: stretch;
    grid-template-columns: 1fr 52px 1fr;
  }

  .mines-action-toggle {
    grid-template-columns: repeat(2, 1fr);
  }

  .mines-play-tools {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .mines-toolbar,
  .mines-custom-panel,
  .mines-status-row {
    padding: 10px;
  }

  .mines-mode-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 5px;
  }

  .mines-mode-btn {
    min-height: 34px;
    padding: 0 4px;
    font-size: 13px;
  }

  .mines-score-strip {
    grid-template-columns: 1fr 44px 1fr;
    gap: 6px;
  }

  .mines-score-item {
    min-height: 44px;
  }

  .mines-score-label {
    font-size: 11px;
  }

  .mines-score-item strong {
    font-size: 20px;
  }

  .mines-reset-btn {
    width: 44px;
    height: 44px;
  }

  .mines-action-btn {
    min-height: 36px;
  }

  .mines-custom-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .mines-custom-panel label {
    font-size: 12px;
  }

  .mines-custom-panel input {
    height: 36px;
    padding: 0 8px;
  }

  .mines-custom-panel button {
    grid-column: 1 / -1;
    align-self: stretch;
  }

  .mines-board-wrap {
    padding: 8px;
  }

  .mines-board-frame {
    padding: 6px;
  }

  .mines-cell {
    border-radius: 3px;
  }

  .mines-status-row {
    display: grid;
    gap: 6px;
    font-size: 13px;
  }

  .mines-best-text {
    text-align: left;
  }
}