:root{--bg:#f6f7f9;--surface:#ffffff;--border:#e2e5ea;--text:#14181f;--muted:#6b7280;--primary:#2f6fed;--primary-dark:#1f4fbf;--danger:#d1425a;--ok:#1a9e6a;--warn:#b8862c;--radius:10px}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--surface:#171a21;--border:#262b35;--text:#eef1f6;--muted:#9aa2b1}}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{font-weight:800;font-size:16px;padding:0 10px 18px}.sidebar a{display:block;padding:9px 10px;border-radius:8px;text-decoration:none;color:var(--muted);font-weight:500}.sidebar a:hover{background:var(--bg);color:var(--text)}.sidebar a.active{background:var(--primary);color:white}.sidebar .signout{margin-top:auto;cursor:pointer;color:var(--danger)}.main{flex:1 1;padding:28px 36px;max-width:1100px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}h1{font-size:20px;margin:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:13px}th{color:var(--muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.03em}tr:last-child td{border-bottom:none}tr.clickable{cursor:pointer}tr.clickable:hover{background:var(--bg)}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer}.btn:hover{background:var(--bg)}.btn-primary{background:var(--primary);border-color:var(--primary);color:white}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn:disabled{opacity:.5;cursor:default}.field{width:100%;padding:9px 11px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13px;margin:4px 0 12px}label{font-size:12px;font-weight:600;color:var(--muted)}.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.02em}.pill.ok{background:rgba(26,158,106,.12);color:var(--ok)}.pill.warn{background:rgba(184,134,44,.14);color:var(--warn)}.pill.danger{background:rgba(209,66,90,.12);color:var(--danger)}.pill.muted{background:var(--bg)}.muted,.pill.muted{color:var(--muted)}.stat{font-size:26px;font-weight:800}.stat-label{font-size:12px;color:var(--muted)}.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:14px;gap:14px;margin-bottom:16px}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:50}.modal-box{background:var(--surface);border-radius:var(--radius);padding:22px;width:440px;max-width:92vw;max-height:85vh;overflow-y:auto}.toast-stack{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:100}.toast{padding:10px 16px;border-radius:8px;background:var(--text);color:var(--bg);font-size:13px}.toast.error{background:var(--danger);color:white}.thread-msg{display:flex;gap:10px;margin-bottom:12px}.t-av{width:28px;height:28px;border-radius:50%;background:var(--primary);color:white;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}.t-bubble{background:var(--bg);border-radius:10px;padding:8px 12px;font-size:13px;max-width:420px}.thread-msg.me{flex-direction:row-reverse}.thread-msg.me .t-bubble{background:var(--primary);color:white}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:360px}.error-text{color:var(--danger);font-size:13px;margin:6px 0 0}.tabs{display:flex;gap:8px;margin-bottom:16px}.tab{padding:7px 14px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;color:var(--muted);border:1px solid transparent}.tab.active{background:var(--surface);border-color:var(--border);color:var(--text)}