:root{
  --blue:#003366; --orange:#FF9800; --gray:#E5E7EB; --text:#1f2937; --muted:#64748b; --bg:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;line-height:1.5}
header{background:var(--blue);color:#fff;padding:28px 24px}
header h1{margin:0;font-size:28px}
header .sub{opacity:.9;margin-top:6px}
.layout{display:flex;gap:20px;max-width:1600px;margin:24px auto;padding:0 16px}
nav{position:sticky;top:12px;float: left;max-width:260px;border:1px solid var(--gray);border-radius:12px;background:#fff;padding:14px}
nav h3{margin:0 0 10px;color:var(--blue);font-size:16px}
nav a{display:block;color:var(--text);text-decoration:none;padding:6px 6px;border-radius:6px}
nav a:hover{background:#f8fafc}
main{flex:1}
section.card{background:#fff;border:1px solid var(--gray);border-radius:12px;padding:10px 10px;margin-bottom:18px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
h2{margin:4px 0 12px;color:var(--blue);font-size:22px}
h3{margin:12px 0 8px;color:#0f172a;font-size:18px}
p{margin:8px 0}
ul{margin:8px 0 10px 20px}
.grid{display:grid;gap:12px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1470px){.layout{flex-direction:column} nav{position:static;min-width:auto}}
.badge{display:inline-block;border:1px solid var(--gray);border-radius:8px;padding:4px 8px;background:#fff;margin:4px 6px 0 0;font-size:12px}
.callout{border-left:4px solid var(--orange);background:#fff7ed;padding:10px 12px;border-radius:8px;margin:10px 0}
table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--gray);border-radius:10px;overflow:hidden;margin:8px 0}
thead th{background:var(--blue);color:#fff;padding:10px 12px;text-align:left}
tbody th,tbody td{padding:10px 12px;border-top:1px solid var(--gray);vertical-align:top}
.kpi{display:flex;gap:12px;flex-wrap:wrap}
.kpi .metric{border:1px solid var(--gray);border-radius:10px;padding:10px 12px;background:#fff;min-width:160px}
.kpi .metric .label{font-size:12px;color:var(--muted)}
.kpi .metric .value{font-size:18px;font-weight:800;color:var(--blue)}
footer{color:var(--muted);text-align:center;padding:26px 10px;border-top:1px solid var(--gray);margin-top:24px}
textarea {
  width: 60%;
  height: 150px;
}