:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#171717;background:#f5f6f8}*{box-sizing:border-box}body{margin:0;min-width:320px}button,select{font:inherit}.screen{width:min(760px,100%);margin:0 auto;min-height:100vh;padding:20px 16px 40px}header{display:flex;align-items:center;justify-content:space-between;margin:8px 0 20px}h1{margin:2px 0 0;font-size:26px}h2{margin:0;font-size:20px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#6b7280}.badge,.marked{display:inline-block;border-radius:999px;padding:5px 9px;font-size:12px;background:#e8ecf5}.card,.product{background:#fff;border:1px solid #e6e8ed;border-radius:16px}.card{padding:16px;margin-bottom:24px}label{display:block;font-size:13px;color:#6b7280;margin-bottom:8px}select{width:100%;border:1px solid #d7dbe2;border-radius:12px;padding:12px;background:#fff}.sectionTitle{display:flex;justify-content:space-between;align-items:baseline;margin:0 2px 12px}.sectionTitle span,.muted{color:#71717a;font-size:13px}.grid{display:grid;gap:10px}.product{padding:15px}.productName{font-weight:650;margin-bottom:4px}.row{display:flex;justify-content:space-between;align-items:center;margin-top:14px}.stock{font-size:13px;color:#b42318}.stock.ok{color:#067647}.marked{margin-top:12px;background:#fff3d6}.error{color:#b42318}footer{text-align:center;color:#71717a;font-size:12px;margin-top:28px}.tabs{display:flex;gap:8px;margin-bottom:16px;position:sticky;top:0;background:#f5f6f8;padding:8px 0;z-index:2}.tabs button,.qty button{border:1px solid #d7dbe2;background:#fff;border-radius:10px;padding:9px 12px}.tabs button.active{font-weight:700;border-color:#171717}.primary{border:0;border-radius:11px;padding:10px 14px;background:#171717;color:#fff;font-weight:650}.primary:disabled{opacity:.45}.qty{display:flex;align-items:center;gap:12px}.qty button{width:38px;height:38px;padding:0;font-size:20px}.checkout{margin-top:16px;background:#fff;border:1px solid #e6e8ed;border-radius:16px;padding:16px}.checkout>div{display:flex;justify-content:space-between;font-size:18px;margin-bottom:14px}.big{width:100%;padding:14px}.empty{background:#fff;border:1px dashed #d7dbe2;border-radius:16px;padding:28px;text-align:center;color:#71717a}.status{background:#e8ecf5;border-radius:999px;padding:5px 9px;font-size:12px}.brand{display:flex;align-items:center;gap:14px}.brand img{width:58px;height:58px;object-fit:contain;border-radius:12px}