/*
 * TheChess.Art — Game Analyzer layout
 */

.analyzer {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: calc(100vh - 57px); /* nav height */
  padding: 16px 24px 20px;
  gap: 14px;
  overflow: hidden;
}

.analyzer__controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 12px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.analyzer__controls h2 {
  font-family: var(--font-serif);
  font-size: 18px;
}

.mode-toggle {
  display: inline-flex;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 3px;
}
.mode-toggle button {
  padding: 8px 18px;
  font-size: 11px;
  letter-spacing: var(--letter-wide);
  text-transform: uppercase;
  color: var(--secondary);
  transition: color var(--t-fast), background var(--t-fast);
  border-radius: 2px;
}
.mode-toggle button:hover { color: var(--primary); }
.mode-toggle button.is-active {
  color: var(--body);
  background: var(--primary);
  font-weight: 700;
}

.game-picker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.game-picker__upload {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 10px;
  letter-spacing: var(--letter-wide);
  text-transform: uppercase;
  color: var(--secondary);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.game-picker__upload:hover { color: var(--primary); border-color: var(--secondary); }
.game-picker select {
  background: var(--panel-2);
  color: var(--primary);
  border: 1px solid var(--line);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  max-width: 320px;
  cursor: pointer;
}
.game-picker select:focus { outline: 1px solid var(--accent); }

.stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  min-height: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.panel-title {
  font-family: var(--font-serif);
  font-size: 14px;
}
.panel-sub {
  font-size: 10px;
  font-weight: 100;
  letter-spacing: var(--letter-widest);
  text-transform: uppercase;
  color: var(--secondary);
}
.panel-body {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  min-height: 0;
}

.board-wrap, .heatmap-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 100%;
  max-height: 100%;
}
#chessBoard {
  width: 100%;
  height: 100%;
  background: var(--body);
  border: 1px solid var(--muted);
  border-radius: var(--radius-sm);
}
#heatmap2d {
  width: 100%;
  height: 100%;
  background: #181818;
  border-radius: var(--radius-sm);
}
#heatmap2d.is-hidden { visibility: hidden; }
#heatmap3d {
  position: absolute;
  inset: 0;
  display: none;
  background: #181818;
  border-radius: var(--radius-sm);
}
#heatmap3d.is-active { display: block; }

.filters {
  position: absolute;
  top: 14px;
  right: 18px;
  display: flex;
  gap: 6px;
  z-index: 5;
}
.filters button {
  background: rgba(24, 24, 24, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid var(--line);
  color: var(--secondary);
  font-size: 10px;
  letter-spacing: var(--letter-wide);
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}
.filters button:hover { color: var(--primary); border-color: var(--secondary); }
.filters button.is-active {
  color: var(--body);
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 700;
}

.timeline {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  align-items: center;
}

.sparkline {
  display: block;
  width: 200px;
  height: 40px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.controls {
  display: flex;
  gap: 6px;
}
.controls button {
  width: 36px;
  height: 36px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--secondary);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}
.controls button:hover { color: var(--primary); border-color: var(--secondary); }
.controls button svg { width: 14px; height: 14px; fill: currentColor; }
.controls button.is-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--body);
}
.controls button.is-primary:hover { background: var(--accent-hot); }

.moves {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 0;
  min-height: 40px;
  align-items: center;
}
.move-pair {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.move-num {
  font-weight: 100;
  font-size: 10px;
  color: var(--secondary);
  letter-spacing: 0.08em;
}
.move-san {
  font-size: 12px;
  color: var(--primary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
  min-width: 42px;
  text-align: center;
}
.move-san:hover { background: var(--panel-2); }
.move-san.is-current {
  background: var(--accent);
  color: var(--body);
  font-weight: 700;
}

.eval {
  font-size: 11px;
  color: var(--secondary);
  letter-spacing: var(--letter-wide);
  text-transform: uppercase;
  white-space: nowrap;
}
.eval strong { color: var(--primary); font-weight: 700; }
.eval .eval-dot { color: var(--accent); }

/* PGN modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal.is-open { display: flex; }
.modal__body {
  width: min(640px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal__body h3 {
  font-family: var(--font-serif);
  font-size: 20px;
}
.modal__body textarea {
  min-height: 220px;
  padding: 12px;
  background: var(--body);
  color: var(--primary);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  resize: vertical;
  font-family: 'SF Mono', ui-monospace, monospace;
  font-size: 12px;
  line-height: 1.5;
}
.modal__actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

@media (max-width: 1100px) {
  .stage { grid-template-columns: 1fr; }
  .analyzer__controls { grid-template-columns: 1fr; gap: 10px; }
  .timeline { grid-template-columns: 1fr; gap: 8px; }
}