:root{--tg-bg: #ffffff;--tg-text: #0f172a;--tg-hint: #64748b;--tg-link: #0284c7;--tg-button: #0ea5e9;--tg-button-text: #ffffff;--tg-secondary-bg: #f1f5f9;--radius: 14px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--tg-bg);color:var(--tg-text);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;min-height:100%}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--tg-bg);border-bottom:1px solid color-mix(in srgb,var(--tg-hint) 25%,transparent)}.title{font-size:16px;font-weight:700;margin:0}.spacer{flex:1}.hint{color:var(--tg-hint);font-size:13px}.search{width:100%;padding:11px 13px;font-size:15px;border-radius:var(--radius);border:1px solid transparent;background:var(--tg-secondary-bg);color:var(--tg-text)}.search:focus{outline:2px solid var(--tg-button);outline-offset:1px}.content{flex:1;padding:12px 14px 120px}.grid{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.card{display:flex;flex-direction:column;background:var(--tg-secondary-bg);border-radius:var(--radius);overflow:hidden}.card img,.thumb{width:100%;aspect-ratio:1 / 1;object-fit:cover;display:block;background:color-mix(in srgb,var(--tg-hint) 18%,transparent)}.thumb{display:grid;place-items:center;color:var(--tg-hint);font-size:12px}.card-body{padding:9px 10px 11px;display:flex;flex-direction:column;gap:6px;flex:1}.card-name{font-size:13px;line-height:1.3;margin:0}.price{font-size:15px;font-weight:700}.old-price{font-size:12px;color:var(--tg-hint);text-decoration:line-through}button{font:inherit}.btn{border:0;border-radius:10px;padding:9px 12px;background:var(--tg-button);color:var(--tg-button-text);font-weight:600;font-size:14px;cursor:pointer}.btn:disabled{opacity:.5;cursor:default}.btn-ghost{background:transparent;color:var(--tg-link);border:1px solid color-mix(in srgb,var(--tg-hint) 35%,transparent)}.btn-wide{width:100%}.qty{display:flex;align-items:center;gap:10px}.qty button{width:30px;height:30px;border-radius:8px;border:0;background:var(--tg-button);color:var(--tg-button-text);font-size:17px;line-height:1;cursor:pointer}.row{display:flex;align-items:center;gap:10px}.row+.row{margin-top:10px}.line{display:flex;justify-content:space-between;gap:12px;padding:5px 0;font-size:14px}.line-total{font-weight:800;font-size:17px;border-top:1px solid color-mix(in srgb,var(--tg-hint) 30%,transparent);margin-top:6px;padding-top:10px}.discount{color:#059669}.error{color:#dc2626;font-size:13px}.field{display:block;margin-bottom:10px}.field span{display:block;font-size:12px;color:var(--tg-hint);margin-bottom:4px}.field input{width:100%;padding:11px 13px;font-size:15px;border-radius:10px;border:1px solid color-mix(in srgb,var(--tg-hint) 35%,transparent);background:var(--tg-bg);color:var(--tg-text)}.bottombar{position:fixed;left:0;right:0;bottom:0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:var(--tg-bg);border-top:1px solid color-mix(in srgb,var(--tg-hint) 25%,transparent)}.center{text-align:center;padding:44px 18px;color:var(--tg-hint)}.cart-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid color-mix(in srgb,var(--tg-hint) 20%,transparent)}.cart-item img,.cart-item .thumb{width:58px;height:58px;aspect-ratio:auto;border-radius:10px;flex:0 0 auto}.cart-item .grow{flex:1;min-width:0}.cart-item .grow p{margin:0 0 6px;font-size:13px;line-height:1.3}