:root{--pn-blue:#0b2f5b;--pn-cyan:#10b6d1;--pn-bg:#f4f8fb;--pn-text:#0f172a;--pn-muted:#64748b;--pn-card:#fff;--pn-border:#dbe7ef;--pn-danger:#b42318}*{box-sizing:border-box}body{color:var(--pn-text);background:radial-gradient(circle at top left, #dff7fb, var(--pn-bg) 35%, #eef4f8);margin:0;font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}.shell{justify-content:center;align-items:center;min-height:100vh;padding:32px;display:flex}.card{border:1px solid var(--pn-border);background:#ffffffeb;border-radius:28px;width:min(1100px,100%);padding:42px;box-shadow:0 24px 80px #0b2f5b29}.compact{width:min(520px,100%)}.brandMark{background:linear-gradient(135deg, var(--pn-blue), var(--pn-cyan));color:#fff;letter-spacing:-1px;border-radius:18px;justify-content:center;align-items:center;width:64px;height:64px;font-weight:800;display:flex}.brandMark.small{border-radius:13px;width:42px;height:42px;font-size:14px}.brandRow{color:var(--pn-blue);align-items:center;gap:12px;display:flex}.eyebrow{color:var(--pn-cyan);text-transform:uppercase;letter-spacing:.12em;margin:18px 0 8px;font-weight:700}h1{color:var(--pn-blue);letter-spacing:-.05em;margin:0;font-size:clamp(34px,6vw,64px)}.subtitle{color:var(--pn-muted);margin-bottom:32px;font-size:18px;line-height:1.5}.grid{grid-template-columns:minmax(280px,420px) 1fr;gap:24px;display:grid}.loginBox,.summaryBox,.userBox{border:1px solid var(--pn-border);background:var(--pn-card);border-radius:22px;padding:24px}h2{color:var(--pn-blue);margin:0}label{margin:14px 0 8px;font-weight:700;display:block}input{background:#fff;border:1px solid #cbd5e1;border-radius:12px;width:100%;padding:13px 14px;font-size:16px}input:focus{border-color:var(--pn-cyan);outline:3px solid #10b6d12e}.check{color:var(--pn-muted);align-items:flex-start;gap:10px;font-weight:500;line-height:1.45;display:flex}.check input{width:auto;margin-top:4px}button{background:linear-gradient(135deg, var(--pn-blue), var(--pn-cyan));color:#fff;cursor:pointer;border:0;border-radius:14px;font-size:16px;font-weight:800}button:disabled{opacity:.55;cursor:not-allowed}.loginBox button{width:100%;margin-top:18px;padding:14px 16px}.hint{color:var(--pn-muted);font-size:13px}.errorBox{color:var(--pn-danger);background:#fff0ee;border:1px solid #ffd5cf;border-radius:12px;padding:12px;font-weight:700}ul{color:#334155;padding-left:20px;line-height:1.9}.appShell{grid-template-columns:320px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--pn-border);background:#fffffff0;flex-direction:column;gap:22px;padding:26px;display:flex}.sidebar h1{font-size:30px}.userBox{flex-direction:column;gap:6px;padding:18px;display:flex}.userBox span,.userBox small{color:var(--pn-muted)}.sideNav{flex-direction:column;gap:10px;display:flex}.navButton,.secondaryButton{text-align:left;width:100%;color:var(--pn-blue);background:#eef6fb;padding:12px 14px}.navButton.active{background:linear-gradient(135deg, var(--pn-blue), var(--pn-cyan));color:#fff}.secondaryButton{text-align:center;background:#f1f5f9;margin-top:auto}.chatPanel{flex-direction:column;gap:18px;min-width:0;padding:28px;display:flex}.chatHeader{border:1px solid var(--pn-border);background:#fff;border-radius:22px;justify-content:space-between;align-items:center;gap:16px;padding:22px;display:flex}.statusPill{color:var(--pn-blue);background:#e6f8fb;border:1px solid #bae9f1;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:700}.messages{border:1px solid var(--pn-border);background:#ffffffb3;border-radius:22px;flex-direction:column;flex:1;gap:14px;padding:20px;display:flex;overflow:auto}.message{border:1px solid var(--pn-border);background:#fff;border-radius:18px;max-width:760px;padding:14px 16px}.message.user{background:#e8f6ff;align-self:flex-end}.message p{color:#334155;margin:8px 0 0;line-height:1.5}.pendingCard{background:#fffbeb;border:1px solid #f59e0b;border-radius:14px;gap:6px;margin-top:12px;padding:12px;display:grid}.pendingCard span,.pendingCard small{color:var(--pn-muted)}.actionRow{flex-wrap:wrap;gap:10px;margin-top:6px;display:flex}.actionRow button{width:auto;padding:10px 12px}.actionRow .secondaryButton{margin-top:0}.memoryPanel{border:1px solid var(--pn-border);background:#fff;border-radius:22px;flex-direction:column;flex:1;gap:16px;padding:22px;display:flex}.memoryList{gap:12px;display:grid}.memoryItem{border:1px solid var(--pn-border);background:#f8fafc;border-radius:16px;gap:8px;padding:14px;display:grid}.memoryItem span{color:var(--pn-cyan);text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:800}.memoryItem p{color:#334155;margin:0;line-height:1.5}.memoryItem button{align-self:flex-start}.adminGrid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0;display:grid}.adminGrid article{border:1px solid var(--pn-border);background:#f8fbfe;border-radius:16px;flex-direction:column;gap:6px;padding:16px;display:flex}.adminGrid strong{color:var(--pn-blue);font-size:1.7rem}.adminGrid span{color:var(--pn-muted);font-weight:700}.adminSection{flex-direction:column;gap:10px;margin-top:18px;display:flex}.adminSection h3{color:var(--pn-blue);margin:0}.composer{border:1px solid var(--pn-border);background:#fff;border-radius:22px;gap:12px;padding:14px;display:flex}.composer input{flex:1}.composer button{width:140px}@media (max-width:900px){.grid,.appShell{grid-template-columns:1fr}.card{padding:24px}.sidebar{border-right:0;border-bottom:1px solid var(--pn-border)}.chatHeader,.composer{flex-direction:column;align-items:stretch}.composer button{width:100%;padding:14px}}