*{box-sizing:border-box}:root{--bg:#f4f5f7;--card:#fff;--ink:#1a1d23;--muted:#6b7280;--accent:#1d4ed8;--accent-ink:#fff;--line:#e5e7eb;--user-bubble:#1d4ed8;--ai-bubble:#fff}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.45}button{cursor:pointer}button,input,select,textarea{font:inherit}a{color:var(--accent)}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;background:#111827;color:#fff;padding:12px 14px}.topbar h1{font-size:17px;margin:0;flex:1 1}.iconbtn{background:transparent;border:1px solid #374151;color:#fff;border-radius:10px;padding:8px 10px;font-size:16px}.layout{display:flex;min-height:calc(100dvh - 57px)}.sidebar{width:280px;flex-shrink:0;background:var(--card);border-right:1px solid var(--line);padding:12px;display:flex;flex-direction:column;gap:8px}.main{flex:1 1;min-width:0;display:flex;flex-direction:column}.agentcard{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;text-align:left;width:100%}.agentcard.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.agentcard b{display:block;font-size:15px}.agentcard span{color:var(--muted);font-size:13px}.navbtn{border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px 12px;text-align:left;font-size:15px;width:100%}.navbtn.active{border-color:var(--accent);color:var(--accent);font-weight:600}.section{padding:14px;max-width:860px;width:100%;margin:0 auto}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px}.card h3{margin:0 0 4px;font-size:16px}.muted{color:var(--muted);font-size:13px}.row{display:flex;gap:8px;align-items:center}.grow{flex:1 1;min-width:0}.field{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:6px 0;background:#fff}textarea.field{min-height:90px;resize:vertical}.btn{background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:11px 16px;font-weight:600}.btn.secondary{background:#e5e7eb;color:var(--ink)}.btn.danger{background:#b91c1c}.btn.small{padding:7px 10px;font-size:14px;border-radius:8px}.chatwrap{display:flex;flex-direction:column;height:calc(100dvh - 57px)}.msgs{flex:1 1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;max-width:860px;width:100%;margin:0 auto}.msg{max-width:85%;padding:10px 13px;border-radius:14px;white-space:pre-wrap;word-break:break-word}.msg.user{align-self:flex-end;background:var(--user-bubble);color:#fff;border-bottom-right-radius:4px}.msg.ai{align-self:flex-start;background:var(--ai-bubble);border:1px solid var(--line);border-bottom-left-radius:4px}.msg .att{display:block;margin-top:6px;font-size:13px}.composer{border-top:1px solid var(--line);background:var(--card);padding:10px 12px calc(10px + env(safe-area-inset-bottom))}.composer-inner{max-width:860px;margin:0 auto;display:flex;gap:8px;align-items:flex-end}.composer textarea{flex:1 1;min-height:44px;max-height:140px;resize:none}.clipbtn,.composer textarea{border:1px solid var(--line);border-radius:12px;padding:10px 12px}.clipbtn{background:#fff;font-size:18px}.filechips{max-width:860px;margin:0 auto 6px;display:flex;gap:6px;flex-wrap:wrap}.filechip{background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3;border-radius:999px;padding:4px 10px;font-size:13px}.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:10px}.err,.okmsg{padding:10px 12px;margin-bottom:10px;font-size:14px}.okmsg{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;border-radius:10px}.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:flex;align-items:flex-end;justify-content:center}.modal{background:#fff;border-radius:18px 18px 0 0;padding:18px;width:100%;max-width:560px;max-height:88dvh;overflow-y:auto}.modal h2{margin:0 0 8px;font-size:18px}@media (min-width:760px){.modal-back{align-items:center}.modal{border-radius:18px}}.loginwrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px;background:#111827}.logincard{background:#fff;border-radius:18px;padding:26px 22px;width:100%;max-width:380px}.logincard h1{margin:0 0 4px;font-size:22px}.drawer-back{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:30}.drawer{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:85vw;background:#fff;z-index:31;padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}@media (max-width:900px){.sidebar{display:none}}table.users{width:100%;border-collapse:collapse;font-size:14px}table.users td,table.users th{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left}.badge{display:inline-block;background:#eef2ff;color:#3730a3;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}.typing{color:var(--muted);font-style:italic;font-size:14px}.memitem{border-bottom:1px solid var(--line);padding:10px 2px}.memitem:last-child{border-bottom:0}