*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Inter,Arial,sans-serif;background:#0b1020;color:#eef2ff}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}body{min-height:100vh}.shell{max-width:1100px;margin:0 auto;padding:32px 20px 64px}.loginShell{display:flex;min-height:100vh;align-items:center;justify-content:center}.card{background:rgba(18,25,48,.95);border:1px solid rgba(148,163,184,.18);border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.loginCard{width:100%;max-width:520px;padding:28px}.hero{padding:28px;margin-bottom:20px}.hero h1{margin:0 0 8px;font-size:40px;line-height:1.05}.hero p{margin:0;color:#cbd5e1;max-width:720px}.topBar{display:flex;gap:16px;justify-content:space-between;align-items:flex-start}.grid{display:grid;grid-template-columns:280px 1fr;grid-gap:20px;gap:20px}.chat,.sidebar{padding:20px}.label{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:#93c5fd;margin-bottom:10px}.memberList{display:flex;flex-direction:column;gap:10px}.memberButton{width:100%;text-align:left;border:1px solid rgba(148,163,184,.2);background:#11182f;color:#eef2ff;padding:14px;border-radius:14px;cursor:pointer}.memberButton.active{border-color:#60a5fa;background:#17203d}.memberMeta{color:#94a3b8;font-size:14px;margin-top:4px}.chatLog{min-height:420px;display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.msg{padding:14px 16px;border-radius:16px;max-width:80%;white-space:pre-wrap}.msg.user{margin-left:auto;background:#2563eb}.msg.assistant{background:#18233f;border:1px solid rgba(148,163,184,.16)}.row{display:flex;gap:10px}.input{flex:1 1;padding:14px 16px;border-radius:14px;border:1px solid rgba(148,163,184,.2);background:#0f172a;color:#eef2ff}.send{padding:14px 18px;border:0;border-radius:14px;background:#60a5fa;color:#081120;font-weight:700;cursor:pointer}.ghostButton{border:1px solid rgba(148,163,184,.24);background:transparent;color:#e2e8f0;padding:12px 16px;border-radius:12px;cursor:pointer;white-space:nowrap}.loginForm{gap:16px;margin-top:22px}.field,.loginForm{display:flex;flex-direction:column}.field{gap:8px;color:#cbd5e1}.field input{padding:14px 16px;border-radius:14px;border:1px solid rgba(148,163,184,.2);background:#0f172a;color:#eef2ff}.meta{margin-top:14px;color:#94a3b8;font-size:13px}.loginError,.warn{color:#fca5a5}@media (max-width:860px){.grid{grid-template-columns:1fr}.hero h1{font-size:32px}.msg{max-width:100%}.topBar{flex-direction:column;align-items:stretch}.ghostButton{width:100%}}