:root{--orange:#ff4e00;--charcoal:#231f20;--van-white:#eae9e8;--red:#c42b2b}*{box-sizing:border-box}body{background:var(--van-white);color:var(--charcoal);margin:0;font:17px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.card{clip-path:polygon(12px 0,calc(100% - 12px) 0,100% 12px,100% calc(100% - 12px),calc(100% - 12px) 100%,12px 100%,0 calc(100% - 12px),0 12px);background:#fff;max-width:480px;margin:24px auto;padding:24px}h1{margin:0 0 12px;font-size:20px}.muted{color:#6b6566;font-size:15px}.err{color:var(--red);font-size:15px}.lines{border-top:1px solid #ddd;margin:16px 0;padding:0;list-style:none}.lines li{border-bottom:1px solid #ddd;justify-content:space-between;gap:12px;padding:8px 0;display:flex}.total{font-size:17px}button{background:var(--orange);color:#fff;width:100%;font:inherit;cursor:pointer;border:0;padding:14px;font-weight:600}