:root{--bg:#f8fafc;--card:#fff;--ins:#f1f5f9;--ins2:#eef2ff;--border:#e2e8f0;--border2:#cbd5e1;--text:#0f172a;--muted:#64748b;--muted2:#94a3b8;--accent-ink:#4f46e5;color-scheme:light}:root[data-theme=dark]{--bg:#0f172a;--card:#1e293b;--ins:#334155;--ins2:#312e6e;--border:#334155;--border2:#475569;--text:#e5e9f0;--muted:#94a3b8;--muted2:#7c8aa0;--accent-ink:#c7d2fe;color-scheme:dark}*{box-sizing:border-box}:focus-visible{outline:3px solid #4f46e5;outline-offset:2px;border-radius:6px}body{margin:0;font-family:Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text)}input,textarea,select{background:var(--card);color:var(--text)}.auth{display:flex;height:100vh;align-items:center;justify-content:center}.card{background:var(--card);padding:32px;border-radius:16px;box-shadow:0 10px 40px #00000014;width:360px}.card h1{margin:0 0 4px;font-size:22px}.card p.sub{color:var(--muted);font-size:13px;margin:0 0 20px}input,textarea,select{width:100%;padding:10px 13px;border:1px solid var(--border2);border-radius:9px;font-size:14px;font-family:inherit;margin-bottom:10px}textarea{resize:vertical}.btn{background:#4f46e5;color:#fff;border:none;padding:10px 16px;border-radius:9px;font-size:14px;cursor:pointer}.btn:hover{background:#4338ca}.btn.sec{background:var(--border);color:var(--text)}.btn.red{background:#dc2626}.btn.sm{padding:6px 11px;font-size:13px}.link{background:none;border:none;color:#4f46e5;cursor:pointer;font-size:13px;text-decoration:underline}.err{color:#dc2626;font-size:13px;min-height:18px}header b{color:#4f46e5}main{padding:24px;max-width:1100px;margin:0 auto}.shell{display:flex;min-height:100vh;align-items:stretch}.side{width:220px;flex:none;background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.side-logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;color:var(--text);text-decoration:none;padding:16px 18px;border-bottom:1px solid var(--ins)}.side-nav{padding:12px 10px;display:flex;flex-direction:column;gap:3px;flex:1}.snav{display:flex;align-items:center;gap:11px;padding:10px 12px;border:none;background:none;border-radius:9px;font-size:14.5px;color:var(--muted);cursor:pointer;text-decoration:none;text-align:left;font-family:inherit}.snav:hover{background:var(--bg);color:var(--text)}.snav.on{background:var(--ins2);color:var(--accent-ink);font-weight:600}.snav svg{flex:none}.snav .ext{margin-left:auto;color:var(--muted2);font-size:13px}.side-foot{padding:12px;border-top:1px solid var(--ins)}.side-user{font-size:12.5px;color:var(--muted);padding:2px 4px 8px}.content{flex:1;min-width:0}.content main{max-width:960px}@media(max-width:720px){.shell{flex-direction:column}.side{width:100%;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center}.side-logo{border-bottom:none;padding:12px 16px}.side-nav{flex-direction:row;flex:1;padding:8px;gap:2px}.side-foot{border-top:none;display:flex;gap:8px;align-items:center;width:100%;padding:0 12px 10px}.side-user{padding:0}.side-foot .btn{width:auto!important;margin:0!important}}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.proj{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer}.proj:hover{border-color:#4f46e5}.proj h3{margin:0 0 6px;font-size:16px}.proj .meta{font-size:12px;color:var(--muted)}.tabs{display:flex;gap:6px;margin:18px 0;border-bottom:1px solid var(--border)}.tab{padding:9px 14px;border:none;background:none;cursor:pointer;font-size:14px;color:var(--muted);border-bottom:2px solid transparent}.tab.on{color:var(--accent-ink);border-bottom-color:#4f46e5;font-weight:600}.panel{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}.panel h3{margin:0 0 4px;font-size:15px}.panel p.h{color:var(--muted);font-size:13px;margin:0 0 14px}code,pre{background:var(--ins);padding:9px 12px;border-radius:8px;font-size:12px;display:block;overflow-x:auto;white-space:pre-wrap;word-break:break-all}.chan{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--ins)}.chan:last-child{border:none}.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:7px}.on-d{background:#22c55e}.off-d{background:var(--border2)}.badge{font-size:10px;padding:2px 8px;border-radius:20px;font-weight:600}.b-bot{background:#e0e7ff;color:#3730a3}.b-waiting{background:#fef3c7;color:#b45309}.b-operator{background:#d1fae5;color:#065f46}.b-closed{background:var(--border);color:var(--muted)}.convs{display:grid;grid-template-columns:300px 1fr;gap:16px;height:520px}.clist{overflow-y:auto;border:1px solid var(--border);border-radius:12px;background:var(--card)}.citem{padding:11px 14px;border-bottom:1px solid var(--ins);cursor:pointer}.citem:hover{background:var(--bg)}.citem.on{background:var(--ins2)}.citem .t{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:3px}.chat{border:1px solid var(--border);border-radius:12px;background:var(--card);display:flex;flex-direction:column}.chat .msgs{flex:1;overflow-y:auto;padding:16px}.m{display:flex;margin-bottom:10px}.m.client{justify-content:flex-start}.m.bot,.m.operator{justify-content:flex-end}.m .txt{max-width:75%;padding:9px 13px;border-radius:13px;font-size:13px;white-space:pre-wrap;line-height:1.4}.m.client .txt{background:var(--ins)}.m.bot .txt{background:var(--ins2);color:var(--accent-ink)}.m.operator .txt{background:#4f46e5;color:#fff}.chat .rep{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.chat .rep input{margin:0}.row{display:flex;gap:8px;align-items:center}.muted{color:var(--muted2);font-size:13px}.ok{color:#059669;font-size:13px}.onb{background:var(--ins2);border:1px solid #c7d2fe;border-radius:12px;padding:16px 20px;margin-top:14px}.onb h3{margin:0 0 2px;font-size:15px}.onb .sub{color:var(--muted);font-size:13px;margin:0 0 12px}.onb .st{display:flex;align-items:center;gap:10px;padding:7px 0;cursor:pointer;font-size:14px;border:none;background:none;width:100%;text-align:left;color:var(--text)}.onb .st:hover .lbl{text-decoration:underline}.onb .st .ic{width:22px;height:22px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;background:var(--card);border:1.5px solid #a5b4fc;color:#4f46e5}.onb .st.done .ic{background:#059669;border-color:#059669;color:#fff}.onb .st.done .lbl{color:var(--muted);text-decoration:line-through}.onb .bar{background:#c7d2fe;border-radius:20px;height:6px;overflow:hidden;margin-bottom:12px}.onb .bar i{display:block;height:100%;background:#4f46e5;transition:width .3s}@media(max-width:720px){.convs{grid-template-columns:1fr;height:auto}.clist{max-height:220px}.chat{height:440px}}