:root{--bg:#f6f8fb;--panel:#fff;--text:#111827;--muted:#6b7280;--accent:#4f46e5;--accent-hover:#6366f1;--border:#e5e7eb;--radius:14px;--shadow:0 8px 24px #0f172a0f;--danger:#b91c1c;--danger-bg:#fef2f2}*{box-sizing:border-box}html,body,#root{height:100%}body{color:var(--text);background:var(--bg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:960px;min-height:100%;margin:0 auto;padding:28px 20px 40px}.shell.narrow{max-width:420px}.title{margin:0 0 8px;font-size:1.5rem;font-weight:700}.muted{color:var(--muted);margin:0 0 20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.form-card label{margin-bottom:14px;font-size:.9rem;font-weight:600;display:block}.form-card input,.form-card select{border:1px solid 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