:root{--red:#e81313;--ink:#080808;--panel:#151515;--line:#343434;--muted:#bdbdbd}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 86% 20%,#3d0909 0,transparent 28%),var(--ink);color:#fff;font:16px Arial,sans-serif}.shell{width:min(1120px,92vw);margin:0 auto;padding:56px 0}.brand{display:inline-flex;flex-direction:column;color:var(--red);font-size:28px;font-weight:900;letter-spacing:-.04em;text-decoration:none}.brand span{color:#fff;font-size:12px;letter-spacing:.12em}.account-card{width:min(530px,100%);margin:76px 0;background:var(--panel);border:1px solid var(--line);padding:40px}.eyebrow{color:var(--red);font-size:12px;font-weight:800;letter-spacing:.14em;margin:0 0 12px}h1{font-size:38px;line-height:1.05;margin:0 0 16px;letter-spacing:-.04em}.intro,.note{color:var(--muted);line-height:1.55}.tabs{display:flex;gap:24px;border-bottom:1px solid var(--line);margin:32px 0 24px}.tab{appearance:none;border:0;background:transparent;color:var(--muted);padding:0 0 12px;font-weight:800;font-size:14px}.tab.active{color:#fff;border-bottom:3px solid var(--red)}.form{display:grid;gap:16px}.form label{display:grid;gap:7px;font-size:13px;font-weight:700}.form input{background:#0c0c0c;border:1px solid var(--line);border-radius:4px;color:#fff;padding:13px;font:inherit}.form input:focus{outline:2px solid var(--red);outline-offset:1px}.primary,.secondary{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 22px;border:0;border-radius:4px;font-size:14px;font-weight:900;text-decoration:none;cursor:pointer}.primary{background:var(--red);color:#fff}.secondary{background:transparent;border:1px solid var(--line);color:#fff}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.feedback{min-height:22px;color:#ff9a9a;margin:18px 0 0}.hidden{display:none}.account-section{border-top:1px solid var(--line);margin-top:36px;padding-top:28px}.account-section h2{font-size:21px;margin:0 0 16px}.address-list{display:grid;gap:10px;margin-bottom:22px}.address-item{border:1px solid var(--line);padding:14px;color:var(--muted);line-height:1.5}.address-item strong{display:block;color:#fff}.address-form{grid-template-columns:repeat(2,minmax(0,1fr))}.address-form label:nth-child(4),.address-form label:nth-child(7),.address-form label:nth-child(8),.address-form button{grid-column:1/-1}.order-detail{margin-top:16px;border:1px solid var(--red);padding:16px;background:#110909}.order-detail h3{margin:0 0 10px}.order-detail p,.order-detail ul{color:var(--muted);line-height:1.6}.order-detail-button{margin-top:12px;min-height:36px;padding:0 14px;font-size:12px}@media(max-width:600px){.shell{padding-top:30px}.account-card{margin-top:50px;padding:28px 22px}h1{font-size:32px}.address-form{grid-template-columns:1fr}}