/* ============ C岗 1-15天打卡格子 ============ */
.day15-click-wrap{display:flex;gap:3px;flex-wrap:nowrap;justify-content:center;}
.day15-item{
  width:20px;height:20px;
  background:#e2e8f0;color:#94a3b8;
  font-size:10px;font-weight:600;
  border-radius:5px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .15s ease;
}
.day15-item:hover{transform:scale(1.12);border-color:var(--success);}
.day15-item.active{
  background:linear-gradient(135deg,#22c55e,var(--success));
  color:#fff;
  box-shadow:0 2px 6px rgba(22,163,74,.4);
}

/* ============ 关键功能类（勿删） ============ */
.hide-area{display:none !important;}

/* ============ KPI 图表样式 ============ */
.chart-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px;}
.chart-box{flex:1 1 300px;min-width:0;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:10px;box-shadow:var(--shadow);}
.chart-canvas{width:100%;height:260px;}