.cs-login-shell{--fg: #1a1f2c;--muted: #6b7280;--bg: #f6f7fb;--card: #ffffff;--border: #e5e7eb;--accent: #1d4ed8;--accent-hover: #1e40af;--danger: #b91c1c;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);min-height:100vh;display:flex;flex-direction:column}.cs-login-shell *{box-sizing:border-box}.cs-login-shell .header{background:#fff;border-bottom:1px solid var(--border)}.cs-login-shell .header-inner{max-width:1100px;margin:0 auto;padding:12px 24px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.cs-login-shell .brand{display:inline-flex;align-items:center;text-decoration:none;color:var(--fg);justify-self:start}.cs-login-shell .brand-logo{height:42px;width:auto;display:block}.cs-login-shell .product-title{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--fg);justify-self:center}.cs-login-shell .product-logo{height:42px;width:auto;display:block}.cs-login-shell .product-text h1{margin:0;font-size:1.35rem;font-weight:700;color:var(--fg);line-height:1.1}.cs-login-shell .product-text p{margin:2px 0 0;font-size:.85rem}.cs-login-shell .muted{color:var(--muted)}.cs-login-shell .header-right{display:flex;align-items:center;gap:16px;font-size:.9rem;justify-self:end}.cs-login-shell .main{flex:1;padding:24px;max-width:1100px;width:100%;margin:0 auto}.cs-login-shell .card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:20px}.cs-login-shell .card h2{margin:0 0 12px;font-size:1.05rem;font-weight:700;display:inline-flex;align-items:center;gap:8px}.cs-login-shell .card p{margin:0 0 16px}.cs-login-shell .login-card{max-width:560px;margin:48px auto}.cs-login-shell textarea,.cs-login-shell input[type=text]{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:.95rem;font-family:inherit}.cs-login-shell textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;resize:vertical}.cs-login-shell button{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:.9rem;cursor:pointer;margin-top:12px;font-family:inherit}.cs-login-shell button:hover:not(:disabled){background:var(--accent-hover)}.cs-login-shell button:disabled{opacity:.6;cursor:not-allowed}.cs-login-shell .error{color:var(--danger);padding:8px 12px;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;margin-top:12px;font-size:.9rem}.cs-login-shell .footer{background:#fff;border-top:1px solid var(--border);margin-top:32px}.cs-login-shell .footer-inner{max-width:1100px;margin:0 auto;padding:24px;color:var(--muted)}.cs-login-shell .footer-terms{margin:0;font-size:.85rem;line-height:1.55}.cs-login-shell .footer-copyright{margin:16px 0 0;padding-top:16px;border-top:1px solid var(--border);text-align:center;font-size:.75rem;color:#9ca3af}