:root{--bg:#f6f7f9;--panel:#fff;--border:#e3e6ea;--text:#16181d;--muted:#6b7280;--accent:#4f46e5;--accent-soft:#eef0ff;--green:#16a34a;--amber:#d97706;--red:#dc2626;--sidebar:#16181d;--sidebar-text:#c9ced6}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:inherit;text-decoration:none}.shell{display:flex;min-height:100vh}.sidebar{width:210px;background:var(--sidebar);color:var(--sidebar-text);padding:20px 12px;display:flex;flex-direction:column;gap:2px;flex-shrink:0}.sidebar .logo{color:#fff;font-weight:700;font-size:16px;padding:6px 10px 18px;letter-spacing:.3px}.sidebar a{padding:8px 10px;border-radius:7px}.sidebar a:hover{background:#23262d;color:#fff}.sidebar a.active{background:var(--accent);color:#fff}.sidebar .spacer{flex:1 1}.sidebar .me{font-size:12px;padding:10px;border-top:1px solid #2b2f36}.sidebar .me button{margin-top:6px}.main{flex:1 1;padding:26px 30px;max-width:1200px}h1{font-size:20px;margin:0 0 18px}h2{font-size:15px;margin:0 0 10px}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:14px}.row{display:flex;gap:14px;align-items:flex-start}.grow{flex:1 1}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}tr:last-child td{border-bottom:none}.btn,button{background:var(--accent);color:#fff;border:none;border-radius:7px;padding:7px 13px;font-size:13px;cursor:pointer;font-family:inherit}button:hover{filter:brightness(1.08)}button:disabled{opacity:.5;cursor:default}button.secondary{background:var(--panel);color:var(--text);border:1px solid var(--border)}button.danger{background:var(--red)}button.small{padding:4px 9px;font-size:12px}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:7px;font-size:13px;font-family:inherit;background:#fff}textarea{resize:vertical;min-height:70px}label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;font-weight:600}form .actions{margin-top:14px;display:flex;gap:8px}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge.green{background:#e7f6ec;color:var(--green)}.badge.amber{background:#fdf3e3;color:var(--amber)}.badge.red{background:#fdeaea;color:var(--red)}.badge.gray{background:#eef0f2;color:var(--muted)}.badge.indigo{background:var(--accent-soft);color:var(--accent)}.error{background:#fdeaea;color:var(--red);border-radius:7px;padding:8px 12px;margin:10px 0;font-size:13px}.muted{color:var(--muted)}.mono{font-family:ui-monospace,monospace;font-size:12px}.inbox{display:flex;gap:0;height:calc(100vh - 110px);border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--panel)}.conv-list{width:300px;border-right:1px solid var(--border);overflow-y:auto;flex-shrink:0}.conv-item{padding:12px 14px;border-bottom:1px solid var(--border);cursor:pointer}.conv-item:hover{background:var(--bg)}.conv-item.active{background:var(--accent-soft)}.thread{flex:1 1;display:flex;flex-direction:column}.thread-head{padding:12px 16px;border-bottom:1px solid var(--border);align-items:center}.msgs,.thread-head{display:flex;gap:10px}.msgs{flex:1 1;overflow-y:auto;padding:16px;flex-direction:column;background:var(--bg)}.msg{max-width:72%;padding:9px 13px;border-radius:12px;white-space:pre-wrap;line-height:1.45}.msg.user{align-self:flex-start;background:#fff;border:1px solid var(--border)}.msg.assistant{background:var(--accent)}.msg.assistant,.msg.operator{align-self:flex-end;color:#fff}.msg.operator{background:#0e7490}.msg.system{align-self:center;background:#fdf3e3;color:var(--amber);font-size:12px}.msg .meta{font-size:10px;opacity:.7;margin-top:4px}.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.auth{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth .card{width:380px;padding:28px}.auth h1{text-align:center}