:root{--bg:#fff;--text:#0f172a;--muted:#64748b;--brandprimary:#0b74de}#root,body,html{height:100%}body,p{color:var(--text)}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);-webkit-font-smoothing:antialiased}.container{max-width:900px;margin:0 auto;padding:24px}.header{display:flex;align-items:center;justify-content:space-between;gap:12px}.card{background:#fff;border:1px solid #e6eef8;padding:16px;border-radius:8px;box-shadow:0 1px 2px rgba(16,24,40,.03)}.btn{background:var(--brandprimary);color:#fff;border:none;padding:8px 12px;border-radius:6px;cursor:pointer}.small{font-size:.9rem;color:var(--muted)}h1,h2{color:var(--brandprimary)}@media (min-width:640px){.action-row{flex-direction:row!important}}