:root{--tg-bg: var(--tg-theme-bg-color, #ffffff);--tg-text: var(--tg-theme-text-color, #000000);--tg-hint: var(--tg-theme-hint-color, #999999);--tg-link: var(--tg-theme-link-color, #007aff);--tg-button: var(--tg-theme-button-color, #007aff);--tg-button-text: var(--tg-theme-button-text-color, #ffffff);--tg-secondary-bg: var(--tg-theme-secondary-bg-color, #f2f2f7);--tg-border: #e0e0e0}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--tg-bg);color:var(--tg-text);padding:1rem;overscroll-behavior-y:none}#root{display:flex;flex-direction:column;min-height:calc(100vh - 2rem)}.app-container{width:100%;max-width:600px;margin:0 auto;display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid var(--tg-border);position:sticky;top:0;background-color:var(--tg-bg);z-index:10}.header-title{font-size:1.75rem;font-weight:700;margin:0;color:var(--tg-text)}.account-btn{background:none;border:none;cursor:pointer;color:var(--tg-text);padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.account-btn:hover{background-color:var(--tg-secondary-bg)}.account-btn svg{width:28px;height:28px;stroke:currentColor;stroke-width:2}.product-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.product-card{background-color:var(--tg-secondary-bg);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 2px 8px #0000000d;transition:transform .2s ease-in-out;cursor:pointer}.product-card:hover{transform:translateY(-4px)}.product-image{width:100%;height:120px;object-fit:contain;background-color:#fff;padding:.5rem;box-sizing:border-box}.product-info{padding:.75rem;flex-grow:1;display:flex;flex-direction:column}.product-name{font-weight:600;font-size:.9rem;color:var(--tg-text);margin:0 0 .25rem;line-height:1.2;height:2.4em;overflow:hidden}.product-price{font-size:1rem;font-weight:700;color:var(--tg-link);margin-top:auto}.product-detail-view{padding:1rem;background:var(--tg-secondary-bg);border-radius:12px}.product-detail-image{width:100%;max-width:300px;height:auto;object-fit:contain;background-color:#fff;border-radius:8px;margin:0 auto 1.5rem;display:block}.product-detail-info{text-align:left}.product-detail-title{font-size:1.5rem;font-weight:700;margin:0 0 .5rem}.product-detail-price{font-size:1.25rem;font-weight:600;color:var(--tg-link);margin-bottom:1rem}.product-description{color:var(--tg-hint);line-height:1.5;margin-bottom:1.5rem}.variant-selector,.quantity-picker{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--tg-border)}.variant-title,.quantity-picker h4{font-size:1rem;font-weight:600;margin:0 0 .75rem}.variant-options{display:flex;gap:.5rem;flex-wrap:wrap}.variant-option{padding:.5rem 1rem;border:1px solid var(--tg-border);background:var(--tg-bg);color:var(--tg-text);border-radius:8px;cursor:pointer;transition:all .2s}.variant-option.selected{background:var(--tg-button);color:var(--tg-button-text);border-color:var(--tg-button)}.quantity-picker .quantity-controls{justify-content:flex-start}.cart-view .empty-cart,.account-view .no-orders{text-align:center;color:var(--tg-hint);padding:3rem 1rem}.cart-view .empty-cart svg{margin-bottom:1rem;color:var(--tg-hint)}.cart-item{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--tg-border)}.cart-item:last-child{border-bottom:none}.cart-item-img{width:60px;height:60px;object-fit:contain;border-radius:8px;background-color:#fff;padding:4px;box-sizing:border-box;flex-shrink:0}.cart-item-info{flex-grow:1}.cart-item-name{font-weight:600;margin:0;font-size:.95rem}.cart-item-variant{font-size:.85rem;color:var(--tg-hint);margin:.25rem 0 .5rem}.cart-item-price{color:var(--tg-hint)}.quantity-controls{display:flex;align-items:center;gap:.5rem;margin-left:auto}.quantity-btn{background-color:var(--tg-secondary-bg);border:1px solid var(--tg-border);color:var(--tg-text);width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:1rem;font-weight:700;display:flex;align-items:center;justify-content:center}.remove-item-btn{background:none;border:none;padding:.25rem;margin-left:.5rem;cursor:pointer;color:var(--tg-hint);transition:color .2s}.remove-item-btn:hover{color:#f44336}.cart-total{margin-top:1.5rem;padding-top:1rem;border-top:2px solid var(--tg-text);text-align:right;font-size:1.2rem;font-weight:700}.checkout-view,.account-view{display:flex;flex-direction:column;gap:1.5rem}.section{background:var(--tg-secondary-bg);padding:1rem;border-radius:12px}.section h2{margin-top:0;font-size:1.1rem;border-bottom:1px solid var(--tg-border);padding-bottom:.75rem;margin-bottom:1rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.9rem;font-weight:500;color:var(--tg-hint)}.form-group input{width:100%;padding:.75rem;border:1px solid var(--tg-border);border-radius:8px;background-color:var(--tg-bg);color:var(--tg-text);font-size:1rem;box-sizing:border-box}.form-group input::placeholder{color:var(--tg-hint)}.payment-method-info{background-color:var(--tg-bg);border:1px dashed var(--tg-link);border-radius:8px;padding:1rem;margin-top:.5rem}.payment-method-info p{margin:0;line-height:1.4;color:var(--tg-hint)}.payment-method-info p strong{color:var(--tg-text);font-weight:600}.payment-method-info .payment-note{font-size:.85rem;margin-top:.5rem;font-style:italic}.order-item{padding:1rem 0;border-bottom:1px solid var(--tg-border);display:flex;align-items:center;gap:1rem}.order-item:last-child{border-bottom:none;padding-bottom:0}.order-item:first-child{padding-top:0}.order-icon{color:var(--tg-link)}.order-summary{display:flex;justify-content:space-between;align-items:center;flex-grow:1}.order-id,.order-date{font-size:.9rem;color:var(--tg-hint)}.order-id span{font-weight:600;color:var(--tg-text)}.order-total{font-weight:700;font-size:1.1rem}.page{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.spinner-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:9999}.spinner{border:4px solid rgba(255,255,255,.3);border-radius:50%;border-top:4px solid var(--tg-button-text, #fff);width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}