:root{--bg:#0b1020;--panel:#141a2e;--panel-2:#1b2238;--border:#2a3350;--text:#e7ecf6;--muted:#9aa6c2;--brand:#5b8cff;--brand-2:#7c5cff;--good:#34d399;--danger:#f87171}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:radial-gradient(1200px 600px at 20% -10%,#1a234d 0,transparent 60%),var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--brand)}.wrap{max-width:980px;margin:0 auto;padding:32px 20px 80px}.header{justify-content:space-between;margin-bottom:28px}.brand,.header{display:flex;align-items:center}.brand{gap:12px;font-weight:700;font-size:18px}.logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;font-weight:800;color:#fff}.tag{font-size:12px;color:var(--muted);border:1px solid var(--border);padding:3px 8px;border-radius:999px}.card{background:linear-gradient(180deg,var(--panel) 0,var(--panel-2) 100%);border:1px solid var(--border);border-radius:16px;padding:22px;margin-bottom:20px;box-shadow:0 10px 30px rgba(0,0,0,.25)}.card h2{margin:0 0 6px;font-size:16px}.card p.sub{margin:0 0 16px}.card p.sub,label{color:var(--muted);font-size:13px}label{display:block;margin:12px 0 6px}input[type=email],input[type=password],input[type=text],textarea{width:100%;background:#0e1426;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:11px 12px;font-size:14px;font-family:inherit}textarea{resize:vertical;min-height:110px}input:focus,textarea:focus{outline:none;border-color:var(--brand)}.btn{border:none;cursor:pointer;border-radius:10px;padding:11px 16px;font-size:14px;font-weight:600;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.55;cursor:default}.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn.sm{padding:7px 12px;font-size:13px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.code{background:#0a0f1f;border:1px solid var(--border);border-radius:10px;padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#cdd7f0;white-space:pre-wrap;word-break:break-all}.code,.note{font-size:12.5px}.note,.pill{color:var(--muted)}.pill{font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--border)}table{width:100%;border-collapse:collapse;font-size:13.5px}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}th{font-weight:600}.muted,th{color:var(--muted)}.toast{font-size:13px;margin-top:10px}.ok{color:var(--good)}.err{color:var(--danger)}.login-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:380px}.chat{display:flex;flex-direction:column;height:100vh;background:var(--bg)}.chat-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.chat-body{flex:1 1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.msg{max-width:82%;padding:10px 13px;border-radius:14px;font-size:14px;line-height:1.45;white-space:pre-wrap}.msg.user{align-self:flex-end;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-bottom-right-radius:4px}.msg.bot{align-self:flex-start;background:#1a2138;border:1px solid var(--border);border-bottom-left-radius:4px}.chat-foot{padding:12px;border-top:1px solid var(--border);display:flex;gap:8px}.chat-foot textarea{min-height:44px;max-height:120px}.typing{font-size:12px;color:var(--muted);padding:2px 4px}.saved-chip{font-size:11px;color:var(--good);margin-top:4px}.empty{color:var(--muted);font-size:14px;text-align:center;margin:auto;max-width:280px}