:root{--bg:#f4f6fb;--panel:#fff;--ink:#152033;--muted:#6a7280;--brand:#173b6c;--brand2:#1f73b7;--line:#dde3ee;--ok:#0f766e;--danger:#b42318;--shadow:0 18px 45px rgba(22,34,51,.10)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand2);text-decoration:none}.topbar{height:76px;background:linear-gradient(135deg,var(--brand),#0f2343);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;box-shadow:var(--shadow)}.brand{font-weight:800;font-size:24px;letter-spacing:.2px}.subtitle{font-size:13px;opacity:.82;margin-top:3px}.userbox{display:flex;gap:16px;align-items:center;font-size:14px}.userbox a{color:#fff;border:1px solid rgba(255,255,255,.3);padding:8px 12px;border-radius:12px}.layout{display:grid;grid-template-columns:330px 1fr;gap:22px;padding:22px;max-width:1320px;margin:0 auto}.panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.side{padding:22px}.side h2{margin:0 0 8px;font-size:20px}.side p{color:var(--muted);line-height:1.45}.chip{display:block;background:#eef6ff;border:1px solid #cfe5ff;color:#154c7e;padding:10px 12px;border-radius:14px;margin:10px 0;font-size:13px}.side h3{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:24px}.prompt{width:100%;text-align:left;margin:7px 0;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px;cursor:pointer;color:var(--ink)}.prompt:hover{border-color:var(--brand2);background:#f8fbff}.chatwrap{height:calc(100vh - 120px);display:flex;flex-direction:column;overflow:hidden}.messages{padding:22px;overflow:auto;flex:1}.msg{max-width:94%;padding:14px 16px;border-radius:18px;margin:0 0 14px;line-height:1.48}.msg.bot{background:#f8fbff;border:1px solid #dcecff}.msg.user{background:#173b6c;color:#fff;margin-left:auto}.msg.loading{opacity:.7}.meta{font-size:12px;color:var(--muted);border-top:1px dashed var(--line);margin-top:10px;padding-top:8px}.chatForm{display:flex;gap:10px;padding:16px;border-top:1px solid var(--line);background:#fff}.chatForm input,.loginCard input{width:100%;border:1px solid var(--line);border-radius:14px;padding:14px 15px;font-size:15px}.chatForm button,.loginCard button{border:0;background:var(--brand2);color:#fff;border-radius:14px;padding:0 22px;font-weight:700;cursor:pointer}.tableWrap{overflow:auto;margin-top:12px;border:1px solid var(--line);border-radius:14px;background:#fff}table{border-collapse:collapse;width:100%;font-size:13px}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f4f6fb;color:#4b5565;font-size:12px;text-transform:uppercase}.loginBody{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#e8f3ff,var(--bg) 45%,#eef1f6)}.loginCard{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:34px}.logoCircle{width:64px;height:64px;border-radius:22px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:900;font-size:32px;margin-bottom:16px}.loginCard h1{margin:0}.loginCard p{color:var(--muted);margin-bottom:24px}.loginCard label{display:block;font-weight:700;font-size:13px;margin:14px 0 6px}.loginCard button{width:100%;padding:14px;margin-top:18px}.loginCard small{display:block;color:var(--muted);text-align:center;margin-top:18px;line-height:1.5}.error{background:#fff1f0;color:var(--danger);border:1px solid #ffd1cc;border-radius:14px;padding:12px;margin:12px 0}@media(max-width:860px){.layout{grid-template-columns:1fr}.chatwrap{height:70vh}.topbar{height:auto;align-items:flex-start;gap:12px;flex-direction:column;padding:18px}}