:root{--bg:#fff;--fg:#0a0a0a;--muted:#525252;--border:#e5e5e5;--surface:#fafafa;--brand:#2563eb;--brand-fg:#fff;--error:#b91c1c}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--fg);background:var(--bg);line-height:1.5}a{color:var(--brand)}.auth-page{max-width:360px;margin:4rem auto;padding:0 1rem}.auth-page h1{margin:0 0 1.5rem;font-size:1.5rem}.auth-page form{display:grid;grid-gap:.75rem;gap:.75rem;margin-bottom:1rem}.auth-page label{display:grid;grid-gap:.25rem;gap:.25rem;font-size:.875rem;color:var(--muted)}.auth-page input{padding:.55rem .65rem;border:1px solid var(--border);border-radius:6px;font-size:1rem;font-family:inherit}.auth-page button{padding:.6rem 1rem;border:1px solid var(--brand);background:var(--brand);color:var(--brand-fg);border-radius:6px;cursor:pointer;font-size:1rem;font-family:inherit}.auth-page button.oauth{background:var(--bg);color:var(--fg);border-color:var(--border);margin-top:.5rem}.auth-page button:disabled{opacity:.6;cursor:not-allowed}.auth-page .error{color:var(--error);font-size:.875rem;margin:0}.auth-page .footer{font-size:.875rem;color:var(--muted);margin-top:1.5rem}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:1.5rem 1rem;display:flex;flex-direction:column}.sidebar h2{font-size:1.125rem;margin:0 0 1.5rem}.sidebar nav{display:grid;grid-gap:.25rem;gap:.25rem}.sidebar nav a{padding:.5rem .75rem;border-radius:6px;text-decoration:none;color:var(--fg);font-size:.95rem}.sidebar nav a:hover{background:#eef2ff}.sidebar .signout{margin-top:auto}.sidebar .signout button{width:100%;padding:.5rem;border:1px solid var(--border);background:var(--bg);border-radius:6px;cursor:pointer;font-family:inherit}.main{padding:2rem;max-width:960px}.main h1{margin-top:0}.mfa-card{max-width:480px}.mfa-card img{background:var(--bg);padding:1rem;border:1px solid var(--border);border-radius:8px}.mfa-card code{display:inline-block;padding:.25rem .5rem;background:var(--surface);border-radius:4px;font-family:ui-monospace,SF Mono,Menlo,monospace}.mfa-card input[type=text]{padding:.55rem .65rem;border:1px solid var(--border);border-radius:6px;font-size:1.25rem;letter-spacing:.15em;text-align:center}