:root[data-theme="light"] {
  --bg: #f8f8f2;
  --surface: #ffffff;
  --surface-sunken: #f1f4ec;
  --fg: #213a2d;
  --muted: #687368;
  --border: #dfe4d9;
  --accent: #234f3b;
  --accent-soft: #e5eddc;
  --good: #46683b;
  --good-soft: #edf1e4;
  --step-bg: #f7f8f2;
  color-scheme: light;
}
.portal-back { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.portal-back a { color: var(--accent); text-decoration: none; padding: 10px 0; display: inline-block; }
.portal-back a:hover { text-decoration: underline; }
button.primary:hover, button.qa-send:hover { background: #35664b; }