:root{--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--text:#0f172a;--text-muted:#64748b;--primary:#2563eb;--primary-hover:#1d4ed8;--error:#dc2626;--success:#16a34a;--radius:8px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5}.auth-shell{flex-direction:column;justify-content:center;align-items:center;min-height:100dvh;padding:1.5rem;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:400px;padding:2rem}.auth-logo{letter-spacing:-.01em;color:var(--primary);text-align:center;margin-bottom:1.5rem;font-size:1rem;font-weight:600}.auth-title{margin-bottom:.25rem;font-size:1.25rem;font-weight:600}.auth-subtitle{color:var(--text-muted);margin-bottom:1.5rem;font-size:.875rem}.field{flex-direction:column;gap:.375rem;margin-bottom:1rem;display:flex}.field label{font-size:.875rem;font-weight:500}.field input{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--surface);width:100%;padding:.625rem .75rem;font-family:inherit;font-size:1rem;transition:border-color .15s}.field input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.field input::placeholder{color:#94a3b8}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.625rem 1rem;font-family:inherit;font-size:.9375rem;font-weight:500;text-decoration:none;transition:background .15s,opacity .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{color:var(--primary);background:0 0;padding:0;font-size:.875rem}.btn-ghost:hover{text-decoration:underline}.alert{border-radius:var(--radius);margin-bottom:1rem;padding:.75rem;font-size:.875rem}.alert-error{color:var(--error);background:#fef2f2;border:1px solid #fecaca}.alert-info{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe}.auth-footer{text-align:center;color:var(--text-muted);margin-top:1.25rem;font-size:.875rem}.backup-codes{border:1px solid var(--border);border-radius:var(--radius);background:#f8fafc;grid-template-columns:1fr 1fr;gap:.5rem;margin:1rem 0;padding:1rem;display:grid}.backup-code{letter-spacing:.05em;color:var(--text);font-family:SF Mono,Fira Code,monospace;font-size:.875rem}.app-header{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:1rem;height:56px;padding:0 1.5rem;display:flex}.app-logo{color:var(--primary);flex:1;font-size:.9375rem;font-weight:600}.app-header-right{color:var(--text-muted);align-items:center;gap:1rem;font-size:.875rem;display:flex}.app-main{max-width:720px;margin:0 auto;padding:2rem 1.5rem}.divider{border:none;border-top:1px solid var(--border);margin:1.25rem 0}