:root{--p0-ink:#17181a;--p0-muted:#55595e;--p0-line:#e3e3df;--p0-page:#f6f6f4;--p0-surface:#ffffff;--p0-accent:#17181a;--p0-danger:#e01e1a}.fd-login-brand{display:flex;align-items:center;justify-content:center;gap:10px}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{background:var(--p0-page);color:var(--p0-ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}.centred{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:48px 24px}.card{width:420px;background:var(--p0-surface);border:1px solid var(--p0-line);border-radius:6px;padding:32px}.card h1{margin:0 0 4px;font-size:22px}.subtitle{margin:0 0 24px;color:var(--p0-muted);font-size:13px}.centred label{display:block;margin-bottom:16px;font-size:13px;font-weight:600}.centred input{display:block;width:100%;margin-top:6px;padding:9px 10px;border:1px solid var(--p0-line);border-radius:4px;font:inherit;font-weight:400}.centred button:focus-visible,.centred input:focus-visible{outline:2px solid var(--p0-accent);outline-offset:1px}.centred button{padding:9px 16px;border:1px solid transparent;border-radius:4px;background:var(--p0-accent);color:#fff;font:inherit;font-weight:600;cursor:pointer}.centred button:disabled{opacity:.6;cursor:default}.centred button.secondary{background:var(--p0-surface);color:var(--p0-ink);border-color:var(--p0-line)}.problem{margin-bottom:20px;padding:10px 12px;border:1px solid var(--p0-danger);border-radius:4px;background:#fdf0ef;color:var(--p0-danger);font-size:13px}.problem code{font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.problem-code{font-weight:500;font-size:11px;opacity:.72}.session{width:640px}.session dl{margin:0 0 24px;display:grid;grid-template-columns:140px 1fr;row-gap:8px;font-size:14px}.session dt{color:var(--p0-muted)}.session dd{margin:0;font-weight:600}.flags{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:400}