:root { --aws-dark: #232f3e; --aws-orange: #ff9900; --bg: #f4f6f8; }
* { box-sizing: border-box; }
body { margin: 0; font-family: "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: #1a1a1a; }
header {
  background: var(--aws-dark); color: #fff; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
header h1 { font-size: 18px; margin: 0; }
#user-area { display: flex; align-items: center; gap: 10px; font-size: 14px; }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.card { background: #fff; border-radius: 10px; padding: 16px 18px; box-shadow: 0 1px 4px rgba(0,0,0,.08); margin-bottom: 18px; }
h2, h3 { color: var(--aws-dark); }
button {
  background: var(--aws-orange); color: #232f3e; border: none; border-radius: 6px;
  padding: 8px 16px; font-weight: 600; cursor: pointer;
}
button.secondary { background: #e3e6ea; color: #333; }
button:hover { filter: brightness(0.95); }
.hidden { display: none !important; }
.filters { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.filters select { min-width: 160px; padding: 6px; border-radius: 6px; border: 1px solid #ccc; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 18px; }
.kpi { text-align: center; }
.kpi-val { font-size: 30px; font-weight: 700; color: var(--aws-dark); }
.kpi-lbl { color: #666; font-size: 13px; margin-top: 4px; }
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.charts .wide { grid-column: 1 / -1; }
.foot { color: #888; font-size: 12px; text-align: center; }
#error { background: #fdecea; color: #b71c1c; border: 1px solid #f5c6cb; padding: 12px 16px; border-radius: 8px; }
@media (max-width: 700px) { .kpis, .charts { grid-template-columns: 1fr; } }