.heatmap-intro {
  max-width: 760px;
  margin: 0 auto 24px;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: rgba(0, 0, 0, 0.02);
  border-radius: 4px;
}

.heatmap-intro p:last-child {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink);
}

#heatmap-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.controls {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.season-label {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 580px;
}

.slider-row span {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
}

#season-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

#season-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.15s;
}

#season-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

#season-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid #fff;
}

.play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.15s, background 0.15s;
}

.play-btn:hover {
  transform: scale(1.08);
  background: var(--accent-dark, var(--accent));
}

.play-btn .pause-icon { display: none; }
.play-btn.playing .play-icon { display: none; }
.play-btn.playing .pause-icon { display: block; }

.toggle-row {
  display: flex;
  gap: 0.6rem;
}

.toggle-btn {
  padding: 0.35rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.toggle-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.toggle-btn:hover:not(.active) {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.stats-bar {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#court-svg {
  display: block;
  max-width: 100%;
  height: auto;
}

.court-outline { fill: var(--court); stroke: rgba(23,32,42,0.35); stroke-width: 1.5px; }
.court-line    { fill: none; stroke: rgba(23,32,42,0.35); stroke-width: 1.2px; }
.court-arc     { fill: none; stroke: rgba(23,32,42,0.35); stroke-width: 1.2px; }
.restricted    { fill: none; stroke: rgba(23,32,42,0.35); stroke-width: 1px; stroke-dasharray: 4,3; }

.legend {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.legend-gradient {
  width: 120px;
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(to right, #ffffb2, #fecc5c, #fd8d3c, #f03b20, #bd0026);
}

.tooltip {
  position: absolute;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 0.8rem;
  color: var(--surface);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 100;
  line-height: 1.6;
}

.tooltip strong {
  color: #fff;
}

@media (max-width: 640px) {
  .stats-bar {
    gap: 1.2rem;
  }

  .toggle-row {
    flex-wrap: wrap;
    justify-content: center;
  }
}