:root {
  --bg: #10141a;
  --panel: #171d25;
  --panel-strong: #202936;
  --text: #f3efe7;
  --muted: #aeb8c4;
  --line: #313a47;
  --accent: #43b894;
  --warn: #e7b75f;
  --danger: #e06f64;
  --cell: #263140;
  --cell-open: #d9d5cc;
  --cell-open-alt: #cfc9bd;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(135deg, rgb(67 184 148 / 14%), transparent 34rem),
    linear-gradient(315deg, rgb(231 183 95 / 10%), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

button,
select {
  font: inherit;
}

.game-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.game-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: 0;
}

.home-link {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  text-decoration: none;
}

.home-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.game-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: 0 18px 50px rgb(0 0 0 / 18%);
  padding: clamp(16px, 3vw, 28px);
}

.status-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: stretch;
}

.status-card,
.face-button,
.controls,
.message,
.board-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
}

.status-card {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
}

.status-card span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.status-card strong {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 2rem;
  line-height: 1;
}

.face-button {
  width: 76px;
  color: var(--text);
  cursor: pointer;
  font-size: 1.45rem;
  font-weight: 900;
}

.face-button:hover,
.toggle-button:hover {
  border-color: var(--accent);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  justify-content: space-between;
  margin-top: 12px;
  padding: 14px;
}

.controls label {
  display: grid;
  flex: 1 1 240px;
  gap: 6px;
}

.controls label span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

select,
.toggle-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  padding: 0 12px;
}

.toggle-button {
  cursor: pointer;
  font-weight: 800;
}

.toggle-button[aria-pressed="true"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 18%, var(--bg));
}

.message {
  min-height: 48px;
  margin: 12px 0;
  color: var(--muted);
  display: flex;
  align-items: center;
  padding: 10px 14px;
}

.message.win {
  color: var(--accent);
}

.message.lose {
  color: var(--danger);
}

.board-wrap {
  overflow: auto;
  padding: 12px;
}

.board {
  --cols: 9;
  --cell-size: clamp(28px, 8vw, 42px);
  display: grid;
  grid-template-columns: repeat(var(--cols), var(--cell-size));
  gap: 4px;
  width: max-content;
  margin: 0 auto;
}

.cell {
  width: var(--cell-size);
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, white 10%, var(--line));
  border-radius: 5px;
  background:
    linear-gradient(145deg, rgb(255 255 255 / 10%), transparent),
    var(--cell);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: calc(var(--cell-size) * 0.48);
  font-weight: 950;
  line-height: 1;
  padding: 0;
  user-select: none;
  touch-action: manipulation;
}

.cell:hover:not(.open) {
  border-color: var(--accent);
}

.cell.open {
  background: var(--cell-open);
  border-color: var(--cell-open-alt);
  color: #1f2732;
  cursor: default;
}

.cell.flagged {
  color: var(--warn);
}

.cell.mine {
  background: color-mix(in srgb, var(--danger) 82%, #271817);
  border-color: var(--danger);
  color: #fff;
}

.cell.wrong {
  background: color-mix(in srgb, var(--warn) 65%, var(--cell-open));
}

.n1 {
  color: #2563eb;
}

.n2 {
  color: #148153;
}

.n3 {
  color: #d24336;
}

.n4 {
  color: #6247aa;
}

.n5 {
  color: #9f3b21;
}

.n6 {
  color: #0f766e;
}

.n7 {
  color: #1f2937;
}

.n8 {
  color: #6b7280;
}

@media (max-width: 760px) {
  .game-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .home-link {
    width: 100%;
    justify-content: center;
  }

  .status-strip {
    grid-template-columns: 1fr 68px 1fr;
  }

  .status-card strong {
    font-size: 1.55rem;
  }
}