:root {
  --bg: #f0e6d3;
  --board-bg: #c8a97e;
  --board-dark: #8b5e3c;
  --groove: #6b4423;
  --x-color: #3d2b1f;
  --o-color: #7a3b1e;
  --text-primary: #3d2b1f;
  --text-muted: #9b7b5b;
  --cell-bg: #deb887;
  --cell-hover: #d4a96a;
  --status-bg: #e8d5b7;
  --btn-bg: #8b5e3c;
  --btn-hover: #6b4423;
  --btn-text: #f5deb3;
  --label-color: #c0392b;
  --label-bg: rgba(192, 57, 43, 0.08);
  --label-border: #c0392b;
  --win-cell: #e8c98a;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  background-color: var(--bg);
  user-select: none;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 40px,
      rgba(139, 94, 60, 0.04) 40px,
      rgba(139, 94, 60, 0.04) 41px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(139, 94, 60, 0.03) 60px,
      rgba(139, 94, 60, 0.03) 61px
    );

  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Crimson Text", serif;
  color: var(--text-primary);
}
#container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding: 40px 32px;
  position: relative;
}
.header {
  text-align: center;
  position: relative;
}
.header::after {
  content: "";
  display: block;
  height: 2px;
  width: 60px;
  background-color: var(--board-dark);
  margin: 10px auto 0;
  opacity: 0.5;
}
.title {
  font-family: "Playfair Display", serif;
  font-size: 2.4rem;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-style: italic;
}

.scoreboard {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-direction: row;
}

.scoreboard-xo {
  background-color: var(--status-bg);
  border: 1.5px solid var(--status-bg);
  border-radius: 8px;
  padding: 10px 24px;
  text-align: center;
  min-width: 90px;
}

.score-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.score-value {
  font-family: "Playfair Display", serif;
  font-size: 2rem;
  color: var(--text-primary);
  line-height: 1.1;
}

.bridge {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

#status-bar {
  background: var(--status-bg);
  border: 1.5px solid var(--board-dark);
  border-radius: 6px;
  padding: 10px 28px;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-align: center;
  min-width: 220px;
}
#board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: var(--groove);
  border: 4px solid var(--groove);
  border-radius: 10px;
  padding: 6px;
  box-shadow:
    0 8px 32px rgba(61, 43, 31, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.cells {
  width: 110px;
  height: 110px;
  background-color: var(--cell-bg);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Playfair Display", serif;
  font-size: 3rem;
  cursor: pointer;
  transition: background 0.15s ease;
  user-select: none;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

#controls {
  display: flex;
  gap: 12px;
}

.cell.x {
  color: var(--x-color);
}

.cell.o {
  color: var(--o-color);
}

.cell.win {
  background-color: var(--win-cell);
  box-shadow: inset 0 0 0 2px var(--board-dark);
}

.btn {
  background: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  border-radius: 6px;
  padding: 10px 28px;
  font-family: "Crimson Text", serif;
  font-size: 1rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.15 ease transform 0.1s ease;
}

.btn:hover {
  background-color: var(--btn-hover);
  transform: translateY(-1px);
}

.btn.secondary {
  background: transparent;
  color: var(--btn-bg);
  border: 1.5px solid var(--btn-bg);
}

.btn.secondary:hover {
  background: var(--status-bg);
}

#footer {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}