:root{--fluig-blue:#157DC3;--fluig-blue-dark:#0f5d92;--ink:#1f2733;--muted:#6b7683;--line:#e2e6ea;--bg:#f4f6f8;--card:#ffffff}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--fluig-blue);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1rem;border-radius:6px;border:1px solid var(--fluig-blue);background:var(--fluig-blue);color:#fff;font-size:.9rem;cursor:pointer}.btn:hover{background:var(--fluig-blue-dark)}.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{background:#f0f3f5}.card{background:var(--card);border:1px solid var(--line);border-radius:8px}input,select,textarea{width:100%;padding:.55rem .65rem;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff}textarea{resize:vertical;min-height:90px}.shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:232px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:1rem}.sidebar .brand{display:flex;align-items:center;gap:.55rem;margin-bottom:1.5rem}.sidebar .brand .mark{width:30px;height:30px;border-radius:7px;background:var(--fluig-blue);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}.nav a{display:block;padding:.5rem .6rem;border-radius:6px;color:var(--ink);font-size:.9rem;margin-bottom:.15rem}.nav a:hover{background:#f0f3f5}.nav a.active{background:#e8f2fa;color:var(--fluig-blue);font-weight:600}.sidebar .foot{margin-top:auto;font-size:.8rem;color:var(--muted)}.main{flex:1 1;overflow:auto;padding:1.5rem 2rem}.page-title{font-size:1.25rem;font-weight:700;margin:0 0 .25rem}.page-sub{color:var(--muted);font-size:.9rem;margin:0 0 1.25rem}.chat{display:flex;flex-direction:column;height:calc(100vh - 3rem)}.chat-log{flex:1 1;overflow:auto;display:flex;flex-direction:column;gap:.75rem;padding:.5rem 0}.msg{max-width:720px;padding:.7rem .9rem;border-radius:10px;font-size:.92rem;line-height:1.4}.msg.user{align-self:flex-end;background:var(--fluig-blue);color:#fff}.msg.agent{align-self:flex-start;background:#fff;border:1px solid var(--line)}.msg.system{align-self:center;background:transparent;color:var(--muted);font-style:italic;font-size:.82rem}.composer{border-top:1px solid var(--line);padding-top:.75rem;flex-direction:column}.composer,.composer .row{display:flex;gap:.5rem}.field{margin-bottom:.75rem}.field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.25rem}.badge{display:inline-block;padding:.1rem .45rem;border:1px solid var(--line);border-radius:4px;font-size:.72rem}.grid{display:grid;grid-gap:1rem;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.spinner{width:30px;height:30px;border-radius:999px;border:3px solid var(--fluig-blue);border-top:3px solid transparent;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.center{display:flex;height:100vh;align-items:center;justify-content:center}