.navigation{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background-color:var(--tg-theme-secondary-bg-color);border-top:1px solid rgba(0,0,0,.1);padding:8px 0;z-index:1000}[data-theme=dark] .navigation{border-top-color:#ffffff1a}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;text-decoration:none;color:var(--tg-theme-hint-color);transition:color .2s}.nav-item.active{color:var(--tg-theme-button-color)}.nav-icon{font-size:24px}.nav-label{font-size:12px;font-weight:500}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:16px}.loading-spinner{width:48px;height:48px;border:4px solid var(--tg-theme-hint-color);border-top-color:var(--tg-theme-button-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-container p{color:var(--tg-theme-hint-color);font-size:14px}.home-page{padding-bottom:100px}.filters{display:flex;gap:8px;margin-bottom:20px;overflow-x:auto;padding-bottom:8px}.filter-btn{padding:8px 16px;border:2px solid var(--tg-theme-hint-color);background:transparent;color:var(--tg-theme-text-color);border-radius:20px;font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .2s}.filter-btn.active{background:var(--tg-theme-button-color);border-color:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color)}.categories-list{display:flex;flex-direction:column;gap:12px}.category-card{background:var(--tg-theme-secondary-bg-color);border-radius:12px;padding:16px;transition:transform .2s}.category-card:active{transform:scale(.98)}.category-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.category-name{font-size:16px;font-weight:600;margin:0}.category-badge{padding:4px 8px;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);border-radius:6px;font-size:11px;font-weight:600}.category-info{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.info-row{display:flex;justify-content:space-between;font-size:14px}.info-label{color:var(--tg-theme-hint-color)}.info-value{font-weight:600}.add-to-cart-btn{width:100%;padding:12px;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .2s}.add-to-cart-btn:active{opacity:.8}.quantity-controls{display:flex;align-items:center;justify-content:space-between;gap:12px}.quantity-btn{width:40px;height:40px;border:2px solid var(--tg-theme-button-color);background:transparent;color:var(--tg-theme-button-color);border-radius:8px;font-size:20px;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.quantity-btn:disabled{opacity:.3;cursor:not-allowed}.quantity-btn:active:not(:disabled){background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color)}.quantity-value{flex:1;text-align:center;font-size:18px;font-weight:700}.cart-fab{position:fixed;bottom:80px;left:16px;right:16px;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);padding:16px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 4px 12px #0003;display:flex;align-items:center;justify-content:center;gap:8px;transition:transform .2s}.cart-fab:active{transform:scale(.98)}.cart-badge{background:var(--tg-theme-button-text-color);color:var(--tg-theme-button-color);width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.unavailable-badge{padding:12px;background:var(--tg-theme-hint-color);color:var(--tg-theme-button-text-color);border-radius:8px;font-size:13px;font-weight:600;text-align:center;opacity:.7}.cart-page{min-height:calc(100vh - 70px);display:flex;flex-direction:column;padding-bottom:160px}.cart-items{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.cart-item{background:var(--tg-theme-secondary-bg-color);border-radius:12px;padding:16px;display:flex;justify-content:space-between;align-items:center}.cart-item-info{flex:1}.cart-item-name{font-size:16px;font-weight:600;margin-bottom:8px}.cart-item-details{display:flex;justify-content:space-between;align-items:center;font-size:14px}.cart-item-price{color:var(--tg-theme-hint-color)}.cart-item-subtotal{font-weight:700}.cart-item-controls{display:flex;align-items:center;gap:12px;margin-left:16px}.cart-item-remove,.cart-item-remove-all{width:32px;height:32px;border:2px solid var(--tg-theme-button-color);background:transparent;color:var(--tg-theme-button-color);border-radius:6px;font-size:18px;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.cart-item-remove-all{border-color:#f44336;color:#f44336}.cart-item-remove:active,.cart-item-remove-all:active{transform:scale(.9)}.cart-item-quantity{font-size:16px;font-weight:700;min-width:24px;text-align:center}.cart-summary{background:var(--tg-theme-secondary-bg-color);border-radius:12px;padding:16px;margin-bottom:16px}.summary-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px}.summary-row.total{padding-top:12px;border-top:1px solid var(--tg-theme-hint-color);font-size:18px;font-weight:600}.total-amount{font-weight:700;font-size:20px}.summary-row.balance{font-size:14px;color:var(--tg-theme-hint-color)}.balance-ok{color:#4caf50;font-weight:600}.balance-low{color:#f44336;font-weight:600}.cart-actions{display:flex;gap:12px}.clear-cart-btn,.checkout-btn{flex:1;padding:14px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:opacity 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img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{font-size:40px}.profile-name{font-size:20px;font-weight:700;margin-bottom:4px}.profile-username{font-size:14px;color:var(--tg-theme-hint-color)}.balance-card{background:var(--tg-theme-secondary-bg-color);border-radius:12px;padding:20px}.balance-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:14px;color:var(--tg-theme-hint-color)}.balance-icon{font-size:20px}.balance-amount{font-size:32px;font-weight:700;margin-bottom:16px}.top-up-btn{width:100%;padding:12px;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .2s}.top-up-btn:active{opacity:.8}.menu-list{display:flex;flex-direction:column;gap:8px}.menu-item{background:var(--tg-theme-secondary-bg-color);border:none;border-radius:12px;padding:16px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:opacity 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h3{font-size:20px;margin-bottom:12px}.modal-content p{font-size:14px;color:var(--tg-theme-hint-color);margin-bottom:16px}.deposit-input{width:100%;padding:12px;border:2px solid var(--tg-theme-hint-color);border-radius:8px;background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color);font-size:16px;margin-bottom:16px}.deposit-input:focus{outline:none;border-color:var(--tg-theme-button-color)}.modal-buttons{display:flex;gap:12px}.modal-btn{flex:1;padding:12px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .2s}.modal-btn.cancel{background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color)}.modal-btn.confirm{background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color)}.modal-btn:active{opacity:.8}.deposit-status-card{background:var(--tg-theme-secondary-bg-color);border-radius:12px;padding:20px;border-left:4px solid #ff9800}.deposit-status-title{font-size:16px;font-weight:700;margin-bottom:8px;color:#ff9800}.deposit-status-text{font-size:14px;margin-bottom:12px;line-height:1.4}.wallet-address{background:var(--tg-theme-bg-color);border-radius:8px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;transition:opacity .2s}.wallet-address:active{opacity:.7}.wallet-text{font-size:12px;font-family:monospace;word-break:break-all;flex:1}.copy-icon{font-size:18px;flex-shrink:0}.deposit-hint{font-size:12px;color:var(--tg-theme-hint-color);margin-top:6px;margin-bottom:16px}.tx-hash-section{margin-top:8px}.tx-hash-label{font-size:13px;font-weight:600;display:block;margin-bottom:8px}.tx-hash-input{width:100%;padding:10px 12px;border:2px solid var(--tg-theme-hint-color);border-radius:8px;background:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);font-size:14px;font-family:monospace;margin-bottom:12px;box-sizing:border-box}.tx-hash-input:focus{outline:none;border-color:var(--tg-theme-button-color)}.deposit-buttons{display:flex;gap:10px}.deposit-btn{flex:1;padding:10px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .2s}.deposit-btn.confirm{background:#4caf50;color:#fff}.deposit-btn.cancel{background:var(--tg-theme-bg-color);color:var(--tg-theme-hint-color)}.deposit-btn:disabled{opacity:.5;cursor:not-allowed}.deposit-btn:active:not(:disabled){opacity:.8}.orders-page{min-height:calc(100vh - 70px);display:flex;flex-direction:column}.orders-list{display:flex;flex-direction:column;gap:12px}.order-card{background:var(--tg-theme-secondary-bg-color);border-radius:12px;padding:16px}.order-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.order-number{display:block;font-size:16px;font-weight:600;margin-bottom:4px}.order-date{display:block;font-size:12px;color:var(--tg-theme-hint-color)}.order-status{padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;color:#fff}.order-items{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;padding:12px;background:var(--tg-theme-bg-color);border-radius:8px}.order-item{display:flex;justify-content:space-between;align-items:center;font-size:14px}.item-name{flex:1}.item-quantity{color:var(--tg-theme-hint-color);margin:0 8px}.item-price{font-weight:600}.order-footer{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--tg-theme-hint-color)}.order-total{font-size:16px}.order-total strong{font-weight:700}.download-btn{padding:8px 16px;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .2s}.download-btn:active{opacity:.8}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.empty-icon{font-size:64px;margin-bottom:16px;opacity:.5}.empty-state h3{font-size:20px;margin-bottom:8px}.empty-state p{color:var(--tg-theme-hint-color);font-size:14px}.page{flex:1;padding:16px 16px 80px}.page-header{margin-bottom:20px}.page-title{font-size:28px;font-weight:700;margin-bottom:8px}.page-subtitle{font-size:14px;color:var(--tg-theme-hint-color)}:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #000000;--tg-theme-hint-color: #999999;--tg-theme-link-color: #2481cc;--tg-theme-button-color: 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