:root{--cream: #f3efec;--charcoal: #343436;--white: #ffffff;--radius: 8px;--line: #e4ddd6}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--cream);color:var(--charcoal)}.shell{display:flex;flex-direction:column;height:100%}.gate{align-items:center;justify-content:center}.gate-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:40px;max-width:420px;text-align:center}.cta{display:inline-block;padding:10px 18px;border-radius:var(--radius);background:var(--charcoal);color:var(--white);text-decoration:none;font-weight:600}.mono{font-family:ui-monospace,SF Mono,monospace}table{width:100%;border-collapse:collapse;background:var(--white)}th,td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line)}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#8a8178}.tab-bar{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:16px 0}.tab{padding:8px 14px;border:none;background:none;cursor:pointer;border-radius:var(--radius) var(--radius) 0 0}.tab[aria-selected=true]{background:var(--white);font-weight:600}