:root{
  --bg:#f5f7fb;--panel:#fff;--muted:#6b7280;--text:#111827;--line:#dbe2ea;
  --accent:#2563eb;--green:#16a34a;--red:#dc2626;--yellow:#ca8a04;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--text)}
a{color:var(--accent);text-decoration:none}
button{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}
button.secondary{background:#e5e7eb;color:#111827}
button.danger{background:var(--red)}
button.small{padding:6px 10px;font-size:12px;border-radius:8px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
textarea{min-height:90px;resize:vertical}
.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:#0f172a;color:#fff;padding:20px;display:flex;flex-direction:column;gap:18px}
.brand{font-size:22px;font-weight:800;line-height:1.15}
.brand small{display:block;font-size:12px;font-weight:600;color:#cbd5e1;margin-top:6px}
.nav a{display:block;padding:10px 12px;border-radius:10px;color:#dbeafe;margin-bottom:6px}
.nav a.active,.nav a:hover{background:#1e293b}
.main{padding:20px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.grid{display:grid;gap:16px}
.cards{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.kpi{padding:14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
.kpi .label{font-size:13px;color:var(--muted);margin-bottom:8px}
.kpi .value{font-size:28px;font-weight:800}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid var(--line);font-size:14px;text-align:left;vertical-align:top}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.row4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.grow{flex:1}
.stack{display:flex;flex-direction:column;gap:12px}
.badge{display:inline-block;padding:5px 10px;border-radius:999px;background:#eef2ff;font-size:12px;font-weight:700}
.badge.green{background:#dcfce7;color:#166534}
.badge.red{background:#fee2e2;color:#991b1b}
.badge.yellow{background:#fef3c7;color:#92400e}
.badge.gray{background:#e5e7eb;color:#374151}
.note{font-size:13px;color:var(--muted)}
.mono{font-family:monospace}
.error{color:#991b1b}
.success{color:#166534}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{background:#fff;padding:24px;border-radius:18px;border:1px solid var(--line);width:min(520px,100%)}
.hidden{display:none}
@media (max-width:900px){.app-shell{grid-template-columns:1fr}.row,.row3,.row4{grid-template-columns:1fr}}