/* Lichess-classic light palette: warm cream background, muted orange accent,
   the brown wood board from chessground takes the centre. */
:root {
  --bg: #f3f1eb;
  --card: #fafaf6;
  --border: #d8d5cb;
  --border-hover: #b9b5a8;
  --text: #272320;
  --text-soft: #6f6a5f;
  --text-muted: #a09c92;
  --accent: #d85000;
  --accent-soft: #fbe5d4;
  --green: #629924;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

/* topbar */
.topbar {
  max-width: 1024px;
  margin: 16px auto 0;
  padding: 0 24px;
}
.topbar-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.topbar-id {
  margin-left: auto;
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 12px;
  border-radius: 999px;
}

main {
  max-width: 1024px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}

/* board wrap */
.board-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* chessground container — the board library expects a square wrapper */
.board {
  width: 100%;
  max-width: 640px;
  aspect-ratio: 1 / 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

/* Override chessground@9's low-contrast brown theme with the classic Lichess
   palette: light squares #f0d9b5, dark squares #b58863 (solid, not opacity'd). */
.board cg-board {
  background-color: #f0d9b5;
  background-image: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%208%208'%20shape-rendering%3D'crispEdges'%3E%3Cg%20fill%3D'%23b58863'%3E%3Crect%20x%3D'1'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'3'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'5'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'7'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20y%3D'1'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'2'%20y%3D'1'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'4'%20y%3D'1'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'6'%20y%3D'1'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'1'%20y%3D'2'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'3'%20y%3D'2'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'5'%20y%3D'2'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'7'%20y%3D'2'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20y%3D'3'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'2'%20y%3D'3'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'4'%20y%3D'3'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'6'%20y%3D'3'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'1'%20y%3D'4'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'3'%20y%3D'4'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'5'%20y%3D'4'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'7'%20y%3D'4'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20y%3D'5'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'2'%20y%3D'5'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'4'%20y%3D'5'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'6'%20y%3D'5'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'1'%20y%3D'6'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'3'%20y%3D'6'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'5'%20y%3D'6'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'7'%20y%3D'6'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20y%3D'7'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'2'%20y%3D'7'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'4'%20y%3D'7'%20width%3D'1'%20height%3D'1'%2F%3E%3Crect%20x%3D'6'%20y%3D'7'%20width%3D'1'%20height%3D'1'%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E");
  background-size: 100% 100%;
}

.captures {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-soft);
}

/* panel */
.panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.status-card, .moves-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}

.status-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.status {
  font-size: 16px;
  font-weight: 600;
}
.status.check { color: #b45309; }
.status.over  { color: var(--accent); }

/* move list */
.moves {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  max-height: 280px;
  overflow-y: auto;
}
.moves li {
  display: grid;
  grid-template-columns: 28px 1fr 1fr;
  gap: 6px;
  padding: 3px 0;
}
.moves .ply-num {
  color: var(--text-muted);
  text-align: right;
}
.moves .san {
  color: var(--text);
}
.moves .san.last {
  color: var(--accent);
  font-weight: 600;
}

/* actions */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.btn-primary, .btn-ghost {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  background: var(--card);
  color: var(--text);
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost:hover { border-color: var(--border-hover); }

.hint {
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

/* share-link card (shown after creating an online game) */
.share-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.share-row {
  display: flex;
  gap: 6px;
}
.share-row input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  background: var(--bg);
  color: var(--text);
  min-width: 0;
}
.share-hint {
  color: var(--text-muted);
  font-size: 12px;
}

@media (max-width: 820px) {
  main {
    grid-template-columns: 1fr;
  }
  .board {
    max-width: 100%;
  }
}