body {
  margin: 0;
  padding: 0;
  background: #1a1a1a;
  color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
}
.nav {
  background: #242424;
  border-bottom: 1px solid #333;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 500;
  color: #f0f0f0;
}
.nav a.home-link {
  font-size: 13px;
  color: #aaa;
  text-decoration: none;
  border: 1px solid #444;
  padding: 5px 12px;
  border-radius: 3px;
}
.nav a.home-link:hover { color: #e0e0e0; background: #2a2a2a; }
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* Player pickers */
.players {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  padding: 12px 14px;
  background: #242424;
  border: 1px solid #333;
  border-radius: 3px;
}
.player-pick { display: flex; align-items: center; gap: 8px; }
.player-pick label {
  font-size: 13px;
  color: #aaa;
  min-width: 50px;
}
.player-pick select {
  padding: 6px 10px;
  border: 1px solid #444;
  border-radius: 3px;
  background: #2a2a2a;
  color: #e0e0e0;
  font-size: 13px;
  cursor: pointer;
}

.bot-desc {
  margin-bottom: 16px;
  font-size: 13px;
  color: #aaa;
  font-style: italic;
  min-height: 1.4em;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.col-board { flex: 1 1 400px; min-width: 320px; max-width: 560px; padding: 8px; background: #242424; border: 1px solid #333; border-radius: 3px; }
.col-side  { flex: 1 1 320px; min-width: 280px; }
#board { width: 100%; }

/* Move highlights */
.square-55d63.highlight-selected {
  box-shadow: inset 0 0 0 3px rgba(255, 220, 100, 0.85);
}
.square-55d63.highlight-legal::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28%;
  height: 28%;
  transform: translate(-50%, -50%);
  background: rgba(80, 80, 80, 0.55);
  border-radius: 50%;
  pointer-events: none;
}
.square-55d63.highlight-legal.highlight-capture::after {
  width: 90%;
  height: 90%;
  background: transparent;
  border: 6px solid rgba(80, 80, 80, 0.55);
  border-radius: 50%;
  box-sizing: border-box;
}
.square-55d63 { position: relative; }

h3 { margin: 0 0 12px; font-size: 18px; font-weight: 500; color: #f0f0f0; }
#status.thinking { color: #d4a857; }
#status.gameover { color: #d97a7a; }

.move-table-wrap {
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid #333;
  background: #242424;
  margin-bottom: 16px;
}
table.moves { width: 100%; border-collapse: collapse; font-size: 13px; }
table.moves th, table.moves td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid #2e2e2e;
  color: #d0d0d0;
}
table.moves th { background: #2a2a2a; font-weight: 500; color: #aaa; }
table.moves tr:nth-child(even) td { background: #1f1f1f; }

.controls { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.btn {
  background: #2a2a2a;
  border: 1px solid #444;
  color: #d0d0d0;
  padding: 7px 14px;
  cursor: pointer;
  border-radius: 3px;
  font-size: 14px;
}
.btn:hover { background: #333; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.danger { border-color: #8a4444; color: #d97a7a; }
.btn.danger:hover { background: #3a2424; }
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #d0d0d0;
  cursor: pointer;
  user-select: none;
}
.toggle input { cursor: pointer; }
select.depth {
  padding: 6px 10px;
  border: 1px solid #444;
  border-radius: 3px;
  background: #2a2a2a;
  color: #d0d0d0;
  font-size: 14px;
}
.engine-status {
  margin-top: 12px;
  font-size: 12px;
  color: #888;
}
.engine-status.ready { color: #7ab87a; }
.engine-status.error { color: #d97a7a; }

.share-toast {
  margin-top: 10px;
  padding: 8px 12px;
  background: #1f2a1f;
  border: 1px solid #3c5a3c;
  color: #b8d8b8;
  border-radius: 3px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.share-toast.error { background: #2a1f1f; border-color: #5a3c3c; color: #d8b8b8; }
.share-toast input {
  flex: 1;
  min-width: 0;
  background: #0e0e0e;
  border: 1px solid #444;
  color: #e0e0e0;
  padding: 4px 8px;
  border-radius: 2px;
  font-family: monospace;
  font-size: 12px;
}
footer {
  margin-top: 30px;
  padding: 16px 24px;
  font-size: 12px;
  color: #888;
  text-align: center;
}
footer a { color: #6ba3d6; }

/* Analysis UI */
.analysis-section {
  margin-top: 20px;
  padding: 16px;
  background: #242424;
  border: 1px solid #333;
  border-radius: 3px;
}
.analysis-section h3 {
  margin: 0 0 12px;
  font-size: 16px;
  color: #f0f0f0;
}
.analysis-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.analysis-header h3 { margin: 0; }
.depth-row-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #aaa;
}
.depth-mini {
  margin-left: 6px;
  padding: 4px 6px !important;
  font-size: 12px !important;
}
.analysis-progress {
  font-size: 12px;
  color: #aaa;
  margin-bottom: 10px;
}
.eval-graph {
  position: relative;
  height: 80px;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 2px;
  margin-bottom: 14px;
  overflow: hidden;
}
.eval-bar {
  position: absolute;
  width: 100%;
  left: 0;
  top: 50%;
  height: 1px;
  background: #444;
  z-index: 1;
}
.eval-graph svg {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
}
.eval-marker-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e8c060;
  border: 1px solid #1a1a1a;
  transform: translate(-50%, -50%);
  z-index: 3;
  pointer-events: none;
}
/* Make table rows clickable in review mode */
table.moves tr.move-row { cursor: pointer; }
table.moves tr.move-row:hover td { background: #2a2a2a !important; }
table.moves tr.move-row.active td { background: #3a4a5a !important; }
/* Move quality annotations */
.move-tag {
  display: inline-block;
  margin-left: 4px;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 2px;
  vertical-align: middle;
}
.move-tag.blunder    { background: #6b2424; color: #ffdada; }
.move-tag.mistake    { background: #6b4a1a; color: #fff0d0; }
.move-tag.inaccuracy { background: #4a4a1a; color: #fffcd0; }
.review-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 10px;
}
.review-controls .nav-btn {
  background: #2a2a2a;
  border: 1px solid #444;
  color: #d0d0d0;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 3px;
  font-size: 13px;
  font-family: monospace;
}
.review-controls .nav-btn:hover { background: #333; }
.review-controls .nav-btn:disabled { opacity: 0.4; cursor: not-allowed; }