*{box-sizing:border-box;}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f3f4f6;color:#111827;}
a{color:#2563eb;text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:960px;margin:0 auto;padding:0 16px;}
.site-header{background:#111827;color:#f9fafb;}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0;gap:12px;}
.logo{font-weight:600;color:#f9fafb;text-decoration:none;}
.nav{display:flex;gap:10px;font-size:14px;}
.nav a{color:#e5e7eb;padding:4px 8px;border-radius:999px;}
.nav a:hover{background:#1f2937;}
.cart-link span{background:#2563eb;color:#fff;border-radius:999px;padding:1px 7px;margin-left:4px;font-size:12px;}
.page-main{padding:20px 0 32px;}
.page-section h1{margin-top:0;margin-bottom:12px;font-size:22px;}
.page-section p{margin-bottom:10px;}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:999px;border:none;background:#2563eb;color:#fff;font-size:14px;cursor:pointer;text-decoration:none;}
.btn:hover{background:#1d4ed8;}
.card{border-radius:12px;background:#ffffff;padding:14px 14px 16px;border:1px solid #e5e7eb;}
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin-top:12px;}
.meta{font-size:13px;color:#6b7280;}
.price{font-weight:600;margin-top:6px;margin-bottom:8px;}
.note{font-size:13px;color:#6b7280;}
.cart-box{border-radius:10px;border:1px dashed #cbd5e1;padding:10px;margin-bottom:8px;background:#ffffff;font-size:14px;}
.cart-row{display:grid;grid-template-columns:1.6fr auto auto auto;gap:6px;align-items:center;padding:4px 0;border-bottom:1px solid #e5e7eb;}
.cart-row:last-child{border-bottom:none;}
.cart-total-row{display:flex;justify-content:space-between;font-weight:600;margin:8px 0 14px;}
.form-grid{display:grid;gap:10px;margin-top:10px;}
label{font-size:14px;display:grid;gap:4px;}
input,textarea{border-radius:8px;border:1px solid #cbd5e1;padding:7px 9px;font:inherit;}
input:focus,textarea:focus{outline:1px solid #2563eb;border-color:#2563eb;}
.site-footer{background:#111827;color:#e5e7eb;padding:16px 0 22px;font-size:13px;}
.footer-inner p{margin:4px 0;}
.footer-inner a{color:#93c5fd;}
.copy{color:#9ca3af;margin-top:6px;}
#order-id{font-weight:600;}
@media(max-width:640px){
  .header-inner{flex-direction:column;align-items:flex-start;}
  .nav{flex-wrap:wrap;}
  .cart-row{grid-template-columns:1.6fr auto auto;}
}