:root {
  --bg: #f6f7fb;
  --card: #fff;
  --muted: #6b7280;
  --text: #111827;
  --border: #e5e7eb;
}
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.wrap {
  max-width: 1200px;
  margin: 18px auto;
  padding: 0 14px;
}
.topbar {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.control {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}
label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
select,
input {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 220px;
}
button {
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  background: #111827;
  color: #fff;
}
.btn-secondary {
  background: #374151;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
  margin-top: 12px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}
.kpi {
  text-align: center;
}
.kpi .val {
  font-size: 22px;
  font-weight: 700;
  margin-top: 6px;
}
.kpi .lbl {
  font-size: 12px;
  color: var(--muted);
}
.span-3 {
  grid-column: span 3;
}
.span-6 {
  grid-column: span 6;
}
.span-12 {
  grid-column: span 12;
}
.chart-title {
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 8px 0;
}

@media (max-width: 980px) {
  .span-3,
  .span-6 {
    grid-column: span 12;
  }
  select,
  input {
    min-width: 260px;
    width: 100%;
  }
  .control {
    width: 100%;
  }
}

/* PIE: keep card full width, but shrink the chart area to half size */
.pie-card .pie-wrap {
  width: 60%;
  height: 280px; /* fixed height stops infinite growth */
  margin: 0 auto; /* center it */
  position: relative;
}
.pie-card canvas {
  width: 100% !important;
  height: 100% !important;
}
@media (max-width: 980px) {
  .pie-card .pie-wrap {
    width: 100%;
  }
}

/* Print-friendly */
@media print {
  body {
    background: #fff !important;
  }
  .topbar {
    display: none !important;
  }
  .wrap {
    max-width: 100% !important;
    margin: 0 !important;
  }
  .card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
  canvas {
    max-width: 100% !important;
  }
}