body { background: #f4f5f7; }

.upload-box {
  border: 2px dashed #b9c2cc;
  border-radius: 10px;
  padding: 26px 16px;
  text-align: center;
  cursor: pointer;
  background: #fafbfc;
  color: #52514e;
  transition: border-color .15s, background .15s;
}
.upload-box:hover { border-color: #2a78d6; background: #f2f7fd; }

.step-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: #2a78d6; color: #fff; font-weight: 700; font-size: 1.05rem; flex: 0 0 36px;
}

.eda-frame {
  width: 100%; height: 80vh;
  border: 1px solid #e1e0d9; border-radius: 8px; background: #fff; margin-top: 12px;
}

.metric-label { font-size: .72rem; color: #52514e; text-transform: uppercase; letter-spacing: .05em; }
.metric-value { font-size: 1.35rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.card .form-check { margin-bottom: .25rem; }