:root {
  --bg: #14120f;
  --panel: #1c1a16;
  --border: #2e2a22;
  --amber: #d99a3a;
  --amber-dim: #8a6a2e;
  --light-sq: #3a352c;
  --dark-sq: #201e19;
  --highlight: rgba(217, 154, 58, 0.45);
  --text: #e8e2d4;
  --text-dim: #a39c8a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.layout {
  display: flex;
  gap: 24px;
  padding: 32px;
}

.captures-panel {
  width: 140px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.captures-panel h2 {
  font-size: 12px;
  color: var(--text-dim);
  margin: 8px 0 2px 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.captured-row {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  min-height: 40px;
  padding: 6px;
  font-size: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.board-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

canvas {
  border: 2px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}

.status {
  font-size: 14px;
  color: var(--text-dim);
}

.side-panel {
  width: 260px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

h1 {
  font-size: 20px;
  margin: 0;
  color: var(--amber);
}

.subtitle {
  font-size: 12px;
  color: var(--text-dim);
  margin: 0 0 12px 0;
}

h2 {
  font-size: 14px;
  color: var(--text-dim);
  margin: 16px 0 4px 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

button {
  background: var(--amber);
  color: #14120f;
  border: none;
  padding: 10px 14px;
  border-radius: 4px;
  font-family: inherit;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: var(--amber-dim);
}

select {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 4px;
  font-family: inherit;
}

label {
  font-size: 12px;
  color: var(--text-dim);
}

.move-list {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 8px 8px 28px;
  height: 300px;
  overflow-y: auto;
  font-size: 13px;
  margin: 0;
}

.move-list li {
  padding: 2px 0;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.piece-white {
  color: #ffffff;
  text-shadow: 0 0 1px #000, 0 0 1px #000;
}

.piece-black {
  color: #000000;
  -webkit-text-stroke: 1px #fff;
}