:root{--bg:#ffffff;--fg:#1a1a1a;--muted:#6b7280;--border:#e5e7eb;--accent:#111827;--accent-fg:#ffffff;--surface:#f9fafb;--surface-2:#f3f4f6;--danger:#b91c1c;--radius:12px;--radius-sm:8px;--shadow-sm:0 1px 2px rgba(17,24,39,0.05);--shadow-md:0 4px 16px rgba(17,24,39,0.08);--ring:0 0 0 3px rgba(17,24,39,0.12)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--surface);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}h1{font-size:1.6rem}h1,h2{letter-spacing:-.01em;margin:0 0 1rem}h2{font-size:1.15rem}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:rgba(255,255,255,.85);-webkit-backdrop-filter:saturate(1.2) blur(8px);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--border)}.brand{font-weight:700;font-size:1.25rem;letter-spacing:-.02em}.header-actions{display:flex;align-items:center;gap:1rem}.language-switcher select{padding:.35rem .5rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);font:inherit;cursor:pointer}.language-switcher select:disabled{opacity:.6;cursor:default}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-main{max-width:1040px;margin:0 auto;padding:2rem 1.5rem}.site-footer{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center;padding:2rem 1.5rem;margin-top:3rem;border-top:1px solid var(--border);color:var(--muted);font-size:.875rem}.panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:1.5rem}.page-narrow{max-width:560px;margin:0 auto}.empty-state{text-align:center}.empty-state .button{margin-top:.5rem}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.card img{width:100%;height:auto;display:block;background:var(--surface-2)}.card-body{padding:.85rem 1rem 1.1rem;display:flex;flex-direction:column;gap:.15rem}.price{font-weight:600}.muted{color:var(--muted);font-size:.875rem}.button{display:inline-block;background:var(--accent);color:var(--accent-fg);border:1px solid var(--accent);border-radius:var(--radius-sm);padding:.65rem 1.2rem;font-size:1rem;font-weight:500;cursor:pointer;transition:opacity .15s ease,transform .05s ease}.button:hover{opacity:.9}.button:active{transform:translateY(1px)}.button:disabled{opacity:.5;cursor:not-allowed}.button-ghost{display:inline-block;background:transparent;color:var(--fg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.6rem 1.1rem;font-size:.95rem;cursor:pointer;transition:background .15s ease}.button-ghost:hover{background:var(--surface-2)}.button-block{display:block;width:100%;text-align:center;margin-top:.6rem}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--muted);cursor:pointer;transition:background .15s ease,color .15s ease}.icon-button:hover{background:var(--surface-2);color:var(--fg)}.product-detail{display:grid;grid-template-columns:1fr 1fr;grid-gap:2rem;gap:2rem;align-items:start}.product-detail>div:first-child img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2)}@media (max-width:640px){.product-detail{grid-template-columns:1fr}}.field{display:block;margin:1rem 0;font-size:.9rem;font-weight:500}.field input,.field select{display:block;width:100%;padding:.6rem .7rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;font-weight:400;margin-top:.35rem;background:var(--bg);transition:border-color .15s ease,box-shadow .15s ease}.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.product-detail .field select{max-width:260px}.field-row{display:flex;gap:1rem;align-items:flex-end}.field-row .field{flex:1 1}.field-row .field.grow{flex:2 1}.form-error{color:var(--danger);font-size:.9rem;margin:.75rem 0 0}.stock-hint{color:var(--danger);font-size:.85rem;margin-top:.25rem}.stock-notice{border:1px solid var(--danger);border-radius:var(--radius-sm);padding:.75rem 1rem;margin:0 0 1rem;background:var(--surface)}.stock-notice ul{margin:.5rem 0 0;padding-left:1.1rem}.stock-notice li+li{margin-top:.25rem}.qty-control button:disabled{opacity:.4;cursor:not-allowed}.stepper{list-style:none;margin:0 0 1.5rem;padding:0}.step,.stepper{display:flex;align-items:center;gap:.5rem}.step{color:var(--muted);font-size:.9rem;white-space:nowrap}.step:after{content:"";width:1.5rem;height:1px;background:var(--border);margin-left:.25rem}.step:last-child:after{display:none}.step-marker{display:inline-flex;align-items:center;justify-content:center;width:1.7rem;height:1.7rem;border-radius:50%;border:1px solid var(--border);background:var(--bg);font-size:.85rem;font-weight:600;flex-shrink:0}.step.active{color:var(--fg);font-weight:600}.step.active .step-marker{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.step.done{color:var(--fg)}.step.done .step-marker{background:var(--surface-2);border-color:var(--fg);color:var(--fg)}@media (max-width:520px){.step-label{display:none}.step:after{width:1rem}}.checkout-layout{display:grid;grid-template-columns:1fr 340px;grid-gap:1.5rem;gap:1.5rem;align-items:start}@media (max-width:820px){.checkout-layout{grid-template-columns:1fr}}.back-link{margin-bottom:1rem}.order-summary{position:-webkit-sticky;position:sticky;top:5.5rem}.summary-title{padding-bottom:.75rem;border-bottom:1px solid var(--border)}.summary-items{list-style:none;margin:0 0 1rem;padding:0;display:flex;flex-direction:column;gap:.85rem}.summary-item{display:flex;align-items:center;gap:.75rem;font-size:.9rem}.summary-thumb{position:relative;flex-shrink:0}.summary-thumb img{border-radius:var(--radius-sm);border:1px solid var(--border);display:block;background:var(--surface-2)}.summary-qty{position:absolute;top:-8px;right:-8px;min-width:1.25rem;height:1.25rem;padding:0 .3rem;border-radius:999px;background:var(--accent);color:var(--accent-fg);font-size:.72rem;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.summary-subtotal{border-top:1px solid var(--border);padding-top:.75rem;font-weight:600}.cart-row{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border)}.cart-row:last-of-type{border-bottom:none}.cart-row .grow{flex:1 1;display:flex;flex-direction:column;gap:.15rem}.cart-thumb{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2)}.cart-name{font-weight:500}.cart-name:hover{text-decoration:underline}.cart-unit{font-weight:400;color:var(--muted);font-size:.85rem}.cart-line-total{min-width:5rem;text-align:right}.qty-control{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.qty-control button{width:2rem;height:2.2rem;border:none;background:var(--bg);color:var(--fg);font-size:1.1rem;cursor:pointer}.qty-control button:hover{background:var(--surface-2)}.qty-control input{width:2.75rem;height:2.2rem;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border);text-align:center;font-size:1rem;-moz-appearance:textfield}.qty-control input::-webkit-inner-spin-button,.qty-control input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}@media (max-width:520px){.cart-line-total{display:none}}.totals{margin-top:1.5rem}.totals-row{display:flex;justify-content:space-between;padding:.25rem 0}.totals-row.total{font-weight:700;margin-top:.5rem;padding-top:.5rem}.payment-totals,.totals-row.total{border-top:1px solid var(--border)}.payment-totals{margin-left:0;max-width:none;padding-top:1rem}.pay-button{margin-top:1rem}.mini-cart-backdrop{position:fixed;inset:0;z-index:40;background:rgba(17,24,39,.35);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}.mini-cart-backdrop.show{opacity:1;visibility:visible}.mini-cart{position:fixed;top:0;right:0;z-index:50;height:100dvh;width:380px;max-width:90vw;background:var(--bg);border-left:1px solid var(--border);box-shadow:-8px 0 30px rgba(17,24,39,.12);display:flex;flex-direction:column;transform:translateX(100%);transition:transform .25s ease}.mini-cart.open{transform:translateX(0)}.mini-cart-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 1.25rem;border-bottom:1px solid var(--border)}.mini-cart-title{display:flex;align-items:center;gap:.5rem;font-weight:600}.mini-cart-check{display:inline-flex;align-items:center;justify-content:center;width:1.4rem;height:1.4rem;border-radius:50%;background:var(--accent);color:var(--accent-fg);font-size:.8rem}.mini-cart-empty{padding:1.5rem 1.25rem}.mini-cart-items{list-style:none;margin:0;padding:1rem 1.25rem;overflow-y:auto;flex:1 1;display:flex;flex-direction:column;gap:1rem}.mini-cart-item{display:flex;align-items:center;gap:.75rem;font-size:.9rem}.mini-cart-thumb{position:relative;flex-shrink:0}.mini-cart-thumb img{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);display:block}.mini-cart-name{font-weight:500}.mini-cart-footer{border-top:1px solid var(--border);padding:1.25rem;background:var(--surface)}.mini-cart-subtotal{font-weight:600;margin-bottom:.5rem;padding:0}.mini-cart-footer .button-block:first-of-type{margin-top:.25rem}.success-card{text-align:center}.success-badge{width:3.5rem;height:3.5rem;margin:0 auto 1rem;border-radius:50%;background:var(--accent);color:var(--accent-fg);display:flex;align-items:center;justify-content:center;font-size:1.75rem;font-weight:700}.success-card .button{margin-top:.5rem}.success-badge.badge-failed{background:var(--danger)}.success-badge.badge-pending{background:var(--surface-2);color:var(--muted)}.success-card .button-ghost{margin-top:.75rem}.text-link{text-decoration:underline;text-underline-offset:2px}.field-hint,.text-link:hover{color:var(--muted)}.field-hint{display:block;margin-top:.35rem;font-weight:400;font-size:.8rem}.auth-alt{font-size:.875rem;margin:1rem 0 0}.auth-choices{margin-top:1.25rem;display:grid;grid-gap:.5rem;gap:.5rem}.auth-separator{display:flex;align-items:center;gap:.75rem;margin:1.25rem 0;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}.auth-separator:after,.auth-separator:before{content:"";flex:1 1;height:1px;background:var(--border)}.auth-guest-note{font-size:.85rem;margin:.75rem 0 0;text-align:center}.account-note{margin:-.5rem 0 1rem;font-size:.875rem}.account-head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.account-head h1{margin-bottom:.25rem}.notice{margin-bottom:1rem;background:var(--surface-2);font-size:.9rem}.notice p{margin:0}.status-badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.78rem;font-weight:600;white-space:nowrap;border:1px solid var(--border);background:var(--surface-2);color:var(--muted)}.status-badge.status-paid{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.status-badge.status-pending{background:var(--surface-2);color:var(--fg)}.status-badge.status-failed{border-color:var(--danger);background:var(--bg);color:var(--danger)}.order-list{list-style:none;margin:1.25rem 0 0;padding:0}.order-row{display:flex;align-items:center;gap:1rem;padding:.9rem 0;border-top:1px solid var(--border)}.order-list li:last-child .order-row{border-bottom:1px solid var(--border)}.order-row:hover{color:var(--muted)}.order-row-title{font-weight:600;color:var(--fg)}.order-detail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.order-detail-head h1{margin-bottom:.25rem}.order-detail-head p{margin:0}.order-status-hint{margin:1rem 0 0;font-size:.9rem}.order-section{margin:1.75rem 0 .75rem;font-size:1rem}.order-items{list-style:none;margin:0;padding:0}.order-item{display:flex;align-items:baseline;gap:1rem;padding:.6rem 0;border-top:1px solid var(--border)}.order-item-qty{font-size:.875rem;white-space:nowrap}.order-address{font-style:normal;line-height:1.6}.order-contact{margin:1.5rem 0 0;font-size:.875rem}.order-number{font-size:1.1rem;font-weight:600;margin:1.25rem 0 .25rem}@media (max-width:540px){.account-head,.order-detail-head{flex-direction:column}.order-row{flex-wrap:wrap}}