:root{--bg:#f5f6f8;--panel:#fff;--border:#e2e5ea;--text:#1c2230;--muted:#6b7280;--accent:#2563eb;--accent-text:#fff;--danger:#dc2626;color:var(--text);font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--accent);color:var(--accent-text);border-radius:6px;padding:8px 14px}button:disabled{opacity:.6;cursor:default}input{font:inherit;border:1px solid var(--border);background:#fff;border-radius:6px;width:100%;padding:9px 11px}.layout{min-height:100vh;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--border);width:220px;padding:16px}.brand{margin-bottom:20px;font-size:16px;font-weight:700}.sidebar nav{flex-direction:column;gap:4px;display:flex}.sidebar nav a{color:var(--muted);border-radius:6px;padding:9px 11px}.sidebar nav a:hover{background:var(--bg)}.sidebar nav a.active{background:var(--accent);color:var(--accent-text)}.nav-group{flex-direction:column;gap:4px;margin-top:10px;display:flex}.nav-group-title{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;justify-content:space-between;align-items:center;padding:7px 11px;font-size:11px;font-weight:700;display:flex}.nav-group-title:hover{color:var(--text)}.nav-group-title .chevron{opacity:.7;font-size:10px;transition:transform .15s}.nav-group-title.collapsed .chevron{transform:rotate(-90deg)}.sidebar nav a.sub{padding-left:20px;font-size:14px}.main{flex-direction:column;flex:1;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 24px;display:flex}.topbar .role{color:var(--muted)}.topbar button{color:var(--text);background:0 0}.content{padding:24px}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}.card-head{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.error{color:var(--danger)}.login-wrap{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{flex-direction:column;gap:14px;width:320px;display:flex}.login-card label{color:var(--muted);flex-direction:column;gap:6px;font-size:13px;display:flex}select{font:inherit;border:1px solid var(--border);color:var(--text);cursor:pointer;appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%236b7280' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E") right 11px center no-repeat;border-radius:6px;padding:8px 30px 8px 11px}.filters{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.filter-group{align-items:center;gap:8px;display:inline-flex}.filter-label{color:var(--muted);font-size:12px;font-weight:600}.seg{border:1px solid var(--border);background:var(--panel);border-radius:8px;display:inline-flex;overflow:hidden}.seg button{color:var(--muted);background:0 0;border:none;border-radius:0;padding:7px 14px;font-size:13px}.seg button+button{border-left:1px solid var(--border)}.seg button.active{background:var(--accent);color:var(--accent-text)}.seg button:not(.active):hover{background:var(--bg)}.searchbar{align-items:center;gap:8px;display:flex}.searchbar input{width:260px}.metrics{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;display:grid}.metric{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px 20px}.metric .value{font-size:30px;font-weight:700;line-height:1.1}.metric .label{color:var(--muted);margin-top:6px;font-size:13px}.metric-link{cursor:pointer;transition:border-color .15s}.metric-link:hover{border-color:var(--accent)}.data-table{border-collapse:collapse;width:100%}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border);padding:9px 12px}.data-table th{color:var(--muted);-webkit-user-select:none;user-select:none;font-weight:600}.data-table tbody tr:hover{background:var(--bg)}