:root{--bg:#f5f6f8;--surface:#fff;--border:#e2e5ea;--text:#1b1f26;--muted:#6b7280;--brand:#009ee3;--brand-strong:#007eb5;--ok:#12805c;--warn:#b45309;--err:#b42318;--radius:12px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5}a{color:inherit}.site-header{background:var(--surface);border-bottom:1px solid var(--border)}.container,.site-header .inner{max-width:960px;margin:0 auto;padding:1rem 1.25rem}.site-header .inner{justify-content:space-between;align-items:center;display:flex}.brand{font-size:1.1rem;font-weight:700}.brand,.cart-link{text-decoration:none}.cart-link{color:var(--muted);font-size:.95rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.product{grid-template-columns:220px 1fr;align-items:center;gap:1.5rem;display:grid}@media (width<=640px){.product{grid-template-columns:1fr}}.product img{border-radius:var(--radius);background:#eef1f5;width:100%}.price{margin:.5rem 0 1rem;font-size:1.6rem;font-weight:700}.muted{color:var(--muted)}.small{font-size:.875rem}button{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:8px;padding:.65rem 1.1rem}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-strong)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{border-color:var(--border);background:0 0}.line{border-bottom:1px solid var(--border);align-items:center;gap:1rem;padding:.85rem 0}.line,.total{justify-content:space-between;display:flex}.total{padding-top:1rem;font-size:1.15rem;font-weight:700}.status-title{margin:0 0 .25rem}.status-ok{color:var(--ok)}.status-warn{color:var(--warn)}.status-err{color:var(--err)}.detail{gap:.35rem;margin-top:1rem;font-size:.95rem;display:grid}.detail div{gap:.5rem;display:flex}.detail dt{color:var(--muted);min-width:170px}.detail dd{word-break:break-all;margin:0;font-family:ui-monospace,monospace}.error{color:var(--err);margin-top:1rem;font-size:.9rem}