*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Be Vietnam Pro', sans-serif;
      background: #ffffff;
      color: #1a1a1a;
      -webkit-font-smoothing: antialiased;
    }
    input, select, textarea, button { font-family: inherit; }
    @media print {
      .no-print { display: none !important; }
      body { background: #fff; }
    }
    ::-webkit-scrollbar { width: 6px; height: 6px; }
    ::-webkit-scrollbar-track { background: #f5f5f5; }
    ::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
    .product-action-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 30px rgba(49, 130, 35, 0.18);
    }
    .product-variant-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 28px rgba(49, 130, 35, 0.16);
    }
    @keyframes cartPop {
      0% { transform: scale(1); }
      35% { transform: scale(1.22) rotate(-8deg); }
      100% { transform: scale(1); }
    }
    .cart-pulse {
      animation: cartPop .42s ease both;
    }
    @keyframes modalPop {
      from { opacity: 0; transform: translateY(14px) scale(.96); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }
    .fly-cart-ghost {
      position: fixed;
      z-index: 9999;
      width: 74px;
      height: 74px;
      border-radius: 18px;
      overflow: hidden;
      pointer-events: none;
      box-shadow: 0 18px 42px rgba(47,125,36,.24);
      background: #f2faf0;
      border: 2px solid rgba(49,130,35,.22);
      display: grid;
      place-items: center;
      color: #318223;
      font-weight: 900;
    }
    .fly-cart-ghost img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    #tweaks-panel {
      position: fixed; bottom: 24px; right: 24px; background: #fff;
      border: 1px solid #e8e8e8; border-radius: 14px; padding: 20px 22px;
      width: 260px; box-shadow: 0 8px 32px rgba(0,0,0,0.12); z-index: 9999;
      display: none; font-family: 'Be Vietnam Pro', sans-serif;
    }
    #tweaks-panel.visible { display: block; }
    .tweak-title { font-size: 13px; font-weight: 700; color: #1a1a1a; margin-bottom: 14px; letter-spacing: 0.04em; text-transform: uppercase; }
    .tweak-row { margin-bottom: 14px; }
    .tweak-label { font-size: 12px; color: #888; margin-bottom: 6px; display: block; }
    .tweak-row input[type=color] { width: 100%; height: 36px; border: 1px solid #e8e8e8; border-radius: 8px; cursor: pointer; padding: 2px 4px; }
    .tweak-row select { width: 100%; border: 1px solid #e8e8e8; border-radius: 8px; padding: 7px 10px; font-size: 13px; color: #333; outline: none; font-family: inherit; }
    .tweak-row input[type=range] { width: 100%; accent-color: #318223; }