:root{--bg-color: var(--tg-theme-bg-color, #ffffff);--text-color: var(--tg-theme-text-color, #000000);--hint-color: var(--tg-theme-hint-color, #999999);--link-color: var(--tg-theme-link-color, #2481cc);--button-color: var(--tg-theme-button-color, #2481cc);--button-text-color: var(--tg-theme-button-text-color, #ffffff);--secondary-bg-color: var(--tg-theme-secondary-bg-color, #f0f0f0)}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased}#app{max-width:600px;margin:0 auto;padding:16px}.catalog-header{margin-bottom:20px;text-align:center}.catalog-header h1{margin-top:0;font-size:28px;font-weight:700}.seller-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.seller-card{display:flex;flex-direction:column;background-color:var(--secondary-bg-color);padding:16px;border-radius:16px;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0000000d}.seller-card:hover{transform:translateY(-4px);box-shadow:0 8px 16px #0000001a}.seller-thumb{width:100%;height:140px;object-fit:cover;border-radius:12px;margin-bottom:12px}.seller-info{flex:1;display:flex;flex-direction:column;gap:8px}.seller-info h3{margin:0;font-size:18px;font-weight:600}.store-header{margin-bottom:20px;text-align:center}.store-header h1{margin-top:0;font-size:28px;font-weight:700}.product-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.product-item{display:flex;flex-direction:column;background-color:var(--secondary-bg-color);padding:16px;border-radius:16px;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0000000d}.product-item:hover{transform:translateY(-4px);box-shadow:0 8px 16px #0000001a}.product-thumb{width:100%;height:140px;object-fit:contain;border-radius:12px;margin-bottom:12px;background:#fff;padding:20px;box-sizing:border-box}.product-info{flex:1;display:flex;flex-direction:column;gap:8px}.product-info h3{margin:0;font-size:18px;font-weight:600}.product-price{margin:0;color:var(--button-color);font-weight:700;font-size:20px}.product-details{display:flex;flex-direction:column;gap:20px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.detail-thumb{width:100%;max-height:320px;object-fit:contain;border-radius:16px;background:#fff;padding:24px;box-shadow:0 4px 12px #00000014}.product-details h2{font-size:26px;font-weight:700;margin:0;text-align:center}.detail-description{line-height:1.7;font-size:15px;text-align:left;background:var(--secondary-bg-color);padding:16px;border-radius:12px;border-left:4px solid var(--button-color)}.detail-price{font-size:24px;font-weight:700;color:var(--button-color);text-align:center;padding:16px;background:var(--secondary-bg-color);border-radius:12px}.detail-category,.detail-stock{text-align:center;font-size:14px;color:var(--hint-color);margin:8px 0}.buy-btn{width:100%;padding:16px 40px;background:var(--button-color);color:var(--button-text-color);border:none;border-radius:12px;font-size:18px;font-weight:700;cursor:pointer;transition:all .2s ease;min-width:250px;text-align:center}.buy-btn:hover{opacity:.9;transform:translateY(-2px)}.buy-btn:active{transform:translateY(0)}.store-manager-header{margin-bottom:20px;text-align:center}.store-manager-header h1{margin-top:0;font-size:28px;font-weight:700}.store-info{background:var(--secondary-bg-color);padding:16px;border-radius:12px;margin-bottom:20px}.store-info p{margin:8px 0;font-size:14px}.add-product-btn{width:100%;padding:16px;background:var(--button-color);color:var(--button-text-color);border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;margin-bottom:20px}.add-product-btn:hover{opacity:.9}.product-actions{display:flex;gap:8px;margin-top:8px}.edit-btn,.delete-btn{flex:1;padding:8px 16px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.edit-btn{background:var(--link-color);color:#fff}.delete-btn{background:#e53935;color:#fff}.orders-header{margin-bottom:20px;text-align:center}.orders-header h1{margin-top:0;font-size:28px;font-weight:700}.order-list{display:flex;flex-direction:column;gap:12px}.order-item{background:var(--secondary-bg-color);padding:16px;border-radius:12px}.order-info h3{margin:0 0 8px;font-size:18px}.order-info p{margin:4px 0;font-size:14px}.empty-state{text-align:center;padding:40px 20px;color:var(--hint-color)}.web-back-btn{position:fixed;top:20px;left:20px;padding:12px 24px;background:var(--button-color);color:var(--button-text-color);border:none;border-radius:12px;cursor:pointer;font-size:16px;font-weight:600;z-index:1000}.web-action-btn{position:fixed;bottom:20px;left:50%;transform:translate(-50%);padding:16px 40px;background:var(--button-color);color:var(--button-text-color);border:none;border-radius:12px;font-size:18px;font-weight:700;cursor:pointer;z-index:1000;min-width:250px;text-align:center}.web-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000}.web-modal-content{background:#fff;padding:24px;border-radius:16px;max-width:400px;width:90%;box-shadow:0 8px 32px #0000004d}.web-modal-content p{margin:0 0 24px;font-size:18px;text-align:center}.web-modal-buttons{display:flex;gap:12px}.web-modal-btn{flex:1;padding:12px 24px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer}.web-modal-btn.cancel{background:#e5e7eb;color:#374151}.web-modal-btn.confirm{background:var(--button-color);color:#fff}