/* ========== 首页活跃度热力图（Git提交版 · 四季横排 · 无跨季） ========== */

#home-heatmap {
  margin-bottom: 24px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92); 
  border: 1px solid rgba(43, 90, 143, 0.08);
  box-shadow: 0 4px 16px rgba(30, 58, 95, 0.06);
}

/* 四季横排 */
.seasons-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: nowrap;
  margin-top: 4px;
}

/* 单个季节块 */
.season-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* 季节标签 */
.season-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-deep);
}

/* 季节网格：7行，列数自动（只含当季日期） */
.season-grid {
  display: grid;
  grid-template-rows: repeat(7, 14px);
  grid-auto-flow: column;
  gap: 4px;
}

.heatmap-cell {
  width: 14px;
  height: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

/* 蓝色系（浅色模式 · 鲜艳版） */
.heatmap-cell.level-0 { background-color: #ebedf0; border-color: rgba(27,31,35,0.06); }
.heatmap-cell.level-1 { background-color: #60a5fa; border-color: rgba(27,31,35,0.06); }
.heatmap-cell.level-2 { background-color: #3b82f6; border-color: rgba(27,31,35,0.06); }
.heatmap-cell.level-3 { background-color: #2563eb; border-color: rgba(27,31,35,0.06); }
.heatmap-cell.level-4 { background-color: #1d4ed8; border-color: rgba(27,31,35,0.06); }

/* 统计面板（三列） */
.heatmap-stats {
  display: flex;
  justify-content: space-around;
  padding: 14px 0;
  border-top: 1px solid rgba(43, 90, 143, 0.08);
  border-bottom: 1px solid rgba(43, 90, 143, 0.08);
  margin-bottom: 12px;
  margin-top: 16px;
}

.stat-item {
  text-align: center;
  flex: 1;
}

.stat-num {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy-deep);
}

.stat-label {
  font-size: 0.8rem;
  color: #666666;
  margin-top: 4px;
}

.stat-range {
  font-size: 0.75rem;
  color: #888888;
  margin-top: 2px;
}

/* 底部图例与来源 */
.heatmap-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: #a0aec0;
}

.heatmap-legend-box {
  width: clamp(8px,1vw,14px);
  height: clamp(8px,1vw,14px);
}
.season-grid-rows{
  grid-template-rows: repeat(7, clamp(8px, 1vw, 14px));
}
.seasons-row{
  gap: clamp(6px, 1vw, 16px);
}

.heatmap-legend-box.level-0 { background-color: #ebedf0; }
.heatmap-legend-box.level-1 { background-color: #60a5fa; }
.heatmap-legend-box.level-2 { background-color: #3b82f6; }
.heatmap-legend-box.level-3 { background-color: #2563eb; }
.heatmap-legend-box.level-4 { background-color: #1d4ed8; }

.heatmap-source {
  font-size: 0.7rem;
  color: #cbd5e0;
}

/* 加载失败兜底 */
.heatmap-fallback {
  text-align: center;
  color: #a0aec0;
  font-size: 0.85rem;
  padding: 10px 0;
}

/* 暗色模式 */
[data-theme="dark"] #home-heatmap {
  background: rgba(40, 40, 45, 0.7);
  border-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .season-label {
  color: var(--blue-light);
}

[data-theme="dark"] .heatmap-cell.level-0 { background-color: #0d1117; border-color: rgba(255,255,255,0.05); }
[data-theme="dark"] .heatmap-cell.level-1 { background-color: #1e3a8a; border-color: rgba(255,255,255,0.05); }
[data-theme="dark"] .heatmap-cell.level-2 { background-color: #3b82f6; border-color: rgba(255,255,255,0.05); }
[data-theme="dark"] .heatmap-cell.level-3 { background-color: #60a5fa; border-color: rgba(255,255,255,0.05); }
[data-theme="dark"] .heatmap-cell.level-4 { background-color: #93c5fd; border-color: rgba(255,255,255,0.05); }

[data-theme="dark"] .heatmap-stats {
  border-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .stat-num {
  color: var(--blue-light);
}

[data-theme="dark"] .stat-label {
  color: #8b949e;
}

[data-theme="dark"] .stat-range {
  color: #6e7681;
}

[data-theme="dark"] .heatmap-legend {
  color: #8b949e;
}

[data-theme="dark"] .heatmap-legend-box.level-0 { background-color: #0d1117; }
[data-theme="dark"] .heatmap-legend-box.level-1 { background-color: #1e3a8a; }
[data-theme="dark"] .heatmap-legend-box.level-2 { background-color: #3b82f6; }
[data-theme="dark"] .heatmap-legend-box.level-3 { background-color: #60a5fa; }
[data-theme="dark"] .heatmap-legend-box.level-4 { background-color: #93c5fd; }

[data-theme="dark"] .heatmap-source {
  color: #6e7681;
}

/* 手机和平板隐藏 */
@media (max-width: 1024px) {
  #home-heatmap {
    display: none;
  }
}