:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #eef0f4;--border: #d9dde5;--text: #16202b;--muted: #5b6673;--accent: #0b4f8a;--accent-contrast: #ffffff;--danger: #b42318;--ok: #117a3d;--warn: #9a6700;--radius: 8px;--focus: 0 0 0 3px rgba(11, 79, 138, .35);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.45;color:var(--text);background:var(--bg)}@media(prefers-color-scheme:dark){:root{--bg: #0f141a;--surface: #161d25;--surface-2: #1f2832;--border: #2d3844;--text: #e8edf2;--muted: #9aa7b4;--accent: #6fb3f0;--accent-contrast: #0b1a28;--danger: #f27c70;--ok: #5fcf8a;--warn: #e5b94a}}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg)}a{color:var(--accent)}:focus-visible{outline:none;box-shadow:var(--focus);border-radius:var(--radius)}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:16px 12px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{font-weight:700;padding:8px 10px 16px;font-size:16px}.sidebar a.nav{display:block;padding:8px 10px;border-radius:var(--radius);color:var(--text);text-decoration:none}.sidebar a.nav:hover{background:var(--surface-2)}.sidebar a.nav.active{background:var(--accent);color:var(--accent-contrast)}.sidebar .spacer{flex:1}.sidebar .me{font-size:13px;color:var(--muted);padding:8px 10px}main.content{padding:24px;max-width:1100px;width:100%;min-width:0;overflow-x:auto}a.btn{display:inline-block;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:inherit;text-decoration:none;font-size:14px}a.btn.primary{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent)}@media(max-width:760px){.shell{grid-template-columns:1fr}.sidebar{flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--border)}.sidebar .brand{width:100%;padding-bottom:8px}.sidebar .spacer,.sidebar .me{display:none}main.content{padding:16px}}h1{font-size:22px;margin:0 0 16px}h2{font-size:17px;margin:24px 0 8px}p.muted,span.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.stack{display:flex;flex-direction:column;gap:12px}label.field{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);min-width:180px;flex:1}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px;width:100%}button{font:inherit;border-radius:var(--radius);padding:8px 14px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}button.primary{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent)}button.danger{color:var(--danger);border-color:var(--danger)}button:disabled{opacity:.55;cursor:not-allowed}table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:13px;color:var(--muted);font-weight:600;background:var(--surface-2)}tr:last-child td{border-bottom:0}.actions{display:flex;gap:6px;flex-wrap:wrap}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;border:1px solid var(--border)}.badge.ok{color:var(--ok);border-color:var(--ok)}.badge.warn{color:var(--warn);border-color:var(--warn)}.badge.danger{color:var(--danger);border-color:var(--danger)}.alert{padding:10px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2)}.alert.error{border-color:var(--danger);color:var(--danger)}.alert.ok{border-color:var(--ok);color:var(--ok)}.empty{padding:24px;text-align:center;color:var(--muted)}.login{min-height:100vh;display:grid;place-items:center;padding:16px}.login .card{width:100%;max-width:420px}.chat{display:flex;flex-direction:column;min-height:calc(100vh - 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