:root {
  --bg: #f1f3f6;
  --card: #ffffff;
  --border: #e8eaef;
  --text: #16202e;
  --muted: #6b7a8d;
  --primary: #dc2626;
  --amazon: #ff9900;
  --shopee: #ee4d2d;
  --success: #10b981;
  --header-bg: linear-gradient(135deg, #16294a 0%, #0e1c33 60%, #0a1426 100%);
  --shadow: 0 1px 2px rgba(16,26,46,.06), 0 6px 18px -8px rgba(16,26,46,.18);
  --shadow-h: 0 4px 8px rgba(16,26,46,.08), 0 14px 28px -10px rgba(16,26,46,.25);
  --transition: all .15s ease;
}