#cart-drawer {
   position: fixed;
   inset: 0;
   z-index: 1200;
   display: flex;
   justify-content: flex-end;
 }
 
 #cart-drawer[hidden] {
   display: none;
 }
 
 .drawer-backdrop {
   position: absolute;
   inset: 0;
   background: rgba(0, 0, 0, 0.5);
 }
 
 .drawer-panel {
   position: relative;
   width: 100%;
   max-width: min(420px, 100vw);
   height: 100%;
   background: #fff;
   display: flex;
   flex-direction: column;
   overflow: hidden;
   transform: translateX(100%);
   transition: transform 0.3s ease;
 }
 
 #cart-drawer:not([hidden]) .drawer-panel {
   transform: translateX(0);
 }
 
 .drawer-header {
   flex-shrink: 0;
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding: 16px 20px;
   border-bottom: 1px solid #eee;
 }
 
 .drawer-title {
   font-size: 18px;
   font-weight: 600;
   margin: 0;
 }
 
 .drawer-close {
   background: none;
   border: none;
   font-size: 20px;
   cursor: pointer;
   padding: 4px 8px;
   color: #666;
   line-height: 1;
 }
 
 .drawer-body {
   flex: 1;
   overflow-y: auto;
   overflow-x: hidden;
   padding: 20px;
   display: flex;
   flex-direction: column;
   gap: 16px;
 }
 
 .drawer-product-row {
   display: flex;
   gap: 12px;
   align-items: flex-start;
 }
 
 .drawer-main-img {
   width: 88px;
   height: 88px;
   object-fit: cover;
   border-radius: 8px;
   flex-shrink: 0;
   border: 1px solid #eee;
 }
 
 .drawer-product-meta {
   flex: 1;
   min-width: 0;
 }
 
 .drawer-product-name {
   font-size: 15px;
   font-weight: 600;
   margin: 0 0 4px;
   line-height: 1.4;
   word-break: break-word;
 }
 
 .drawer-sku-label {
   font-size: 12px;
   color: #888;
   margin: 0;
 }
 
 .drawer-variants {
   display: flex;
   flex-wrap: wrap;
   gap: 8px;
 }
 
 .variant-thumb {
   width: 48px;
   height: 48px;
   object-fit: cover;
   border-radius: 6px;
   border: 2px solid #eee;
   cursor: pointer;
   transition: border-color 0.15s;
 }
 
 .variant-thumb.active {
   border-color: #222;
 }
 
 .drawer-qty-row {
   display: flex;
   align-items: center;
   justify-content: space-between;
 }
 
 .drawer-qty-label {
   font-size: 14px;
   color: #555;
 }
 
 .drawer-qty-ctrl {
   display: flex;
   align-items: center;
   border: 1px solid #ddd;
   border-radius: 6px;
   overflow: hidden;
 }
 
 .qty-btn {
   width: 36px;
   height: 36px;
   background: #f5f5f5;
   border: none;
   font-size: 18px;
   cursor: pointer;
   display: flex;
   align-items: center;
   justify-content: center;
 }
 
 .qty-btn:active {
   background: #e0e0e0;
 }
 
 .qty-value {
   width: 40px;
   text-align: center;
   font-size: 15px;
   font-weight: 600;
   border-left: 1px solid #ddd;
   border-right: 1px solid #ddd;
   line-height: 36px;
 }
 
 .drawer-price-breakdown {
   background: #f9f9f9;
   border-radius: 8px;
   padding: 12px 16px;
   display: flex;
   flex-direction: column;
   gap: 8px;
 }
 
 .price-row {
   display: flex;
   justify-content: space-between;
   font-size: 14px;
   color: #555;
 }
 
 .price-row--total {
   font-size: 16px;
   font-weight: 700;
   color: #111;
   border-top: 1px solid #eee;
   padding-top: 8px;
   margin-top: 4px;
 }
 
 .drawer-footer {
   flex-shrink: 0;
   padding: 16px 20px;
   padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
   border-top: 1px solid #eee;
   display: flex;
   flex-direction: column;
   gap: 10px;
 }
 
 .btn-pay {
   width: 100%;
   padding: 15px;
   background: #222;
   color: #fff;
   font-size: 16px;
   font-weight: 600;
   border: none;
   border-radius: 8px;
   cursor: pointer;
   transition: background 0.2s;
 }
 
 .btn-pay:hover {
   background: #444;
 }
 
 .btn-pay:disabled {
   background: #999;
   cursor: not-allowed;
 }
 
 .drawer-secure-note {
   text-align: center;
   font-size: 12px;
   color: #888;
   margin: 0;
 }
 
 .drawer-error {
   font-size: 13px;
   color: #c0392b;
   background: #fdecea;
   border-radius: 6px;
   padding: 8px 12px;
   margin: 0;
   text-align: center;
 }
 
 .cart-fab {
   position: fixed;
   top: 14px;
   right: 14px;
   z-index: 1201;
   width: 44px;
   height: 44px;
   border-radius: 999px;
   border: 1px solid rgba(0, 0, 0, 0.12);
   background: rgba(255, 255, 255, 0.95);
   backdrop-filter: blur(6px);
   display: flex;
   align-items: center;
   justify-content: center;
   cursor: pointer;
 }
 
 .cart-fab-count {
   position: absolute;
   top: -4px;
   right: -4px;
   background: #e53e3e;
   color: #fff;
   font-size: 11px;
   width: 18px;
   height: 18px;
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
   font-weight: 700;
   line-height: 1;
 }