:root {
  --accent: #0e7490;      /* petrol */
  --accent-donker: #155e75;
  --inkt: #1c2733;
  --stil: #64748b;
  --lijn: #dbe3ea;
  --fond: #f2f5f8;
  --wit: #ffffff;
  --rood: #b91c1c;
  --groen: #15803d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fond);
  color: var(--inkt);
  font-size: 16px;
  line-height: 1.5;
}
nav {
  background: var(--inkt);
  color: var(--wit);
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
}
nav .merk { font-weight: 700; font-size: 1.15rem; color: var(--wit); text-decoration: none; }
nav .merk span { color: #67e8f9; }
nav .links { display: flex; flex-wrap: wrap; gap: 4px; }
nav .links a {
  color: #d7e2ec; text-decoration: none; padding: 8px 10px; border-radius: 6px;
}
nav .links a:hover { background: rgba(255, 255, 255, 0.12); color: var(--wit); }
main { max-width: 1080px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.45rem; margin: 8px 0 12px; }
h2 { font-size: 1.05rem; margin: 4px 0 10px; }
.accent { color: var(--accent); }
.stil { color: var(--stil); }
.klein-tekst { font-size: 0.85rem; }
.rood { color: var(--rood); font-weight: 600; }

.kaart {
  background: var(--wit);
  border: 1px solid var(--lijn);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.kaart.smal { max-width: 420px; margin: 8vh auto; }
.kaart.leeg { text-align: center; padding: 40px 16px; color: var(--stil); }
.kolommen { display: grid; gap: 16px; }
@media (min-width: 760px) { .kolommen { grid-template-columns: 1fr 1fr; } }

.kop { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { padding: 9px 8px; text-align: left; border-bottom: 1px solid var(--lijn); vertical-align: top; }
th { color: var(--stil); font-weight: 600; font-size: 0.85rem; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr.klikbaar { cursor: pointer; }
tr.klikbaar:hover { background: #eef6f9; }
tr.totaal td { font-weight: 700; border-top: 2px solid var(--inkt); border-bottom: none; }
.marge-tabel { margin: 10px 0; }

dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 0 0 12px; }
dt { color: var(--stil); font-size: 0.9rem; }
dd { margin: 0; }

label { display: block; margin-bottom: 12px; font-size: 0.9rem; color: var(--stil); }
input, select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 11px 12px;
  border: 1px solid var(--lijn); border-radius: 8px; font-size: 1rem;
  color: var(--inkt); background: var(--wit);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.rij2, .rij4 { display: grid; gap: 0 14px; }
@media (min-width: 620px) {
  .rij2 { grid-template-columns: 1fr 1fr; }
  .rij4 { grid-template-columns: 1fr 2fr 1fr 1fr; }
}
.inline-form { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-bottom: 10px; }
.inline-form label { margin-bottom: 0; }
.inline-form select { width: auto; }

button, .knop {
  display: inline-block; background: var(--accent); color: var(--wit);
  border: none; border-radius: 8px; padding: 12px 18px; font-size: 1rem;
  cursor: pointer; text-decoration: none; margin: 4px 6px 4px 0;
}
button:hover, .knop:hover { background: var(--accent-donker); }
button.tweede, .knop.tweede {
  background: var(--wit); color: var(--accent); border: 1px solid var(--accent);
}
button.tweede:hover, .knop.tweede:hover { background: #e8f4f8; }
button.klein { padding: 8px 12px; font-size: 0.88rem; }

.badge {
  font-size: 0.72rem; padding: 3px 9px; border-radius: 20px;
  vertical-align: middle; font-weight: 600; text-transform: uppercase;
}
.badge-blauw { background: #e0f2fe; color: #075985; }
.badge-groen { background: #dcfce7; color: var(--groen); }

.flash { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; }
.flash-ok { background: #dcfce7; color: var(--groen); }
.flash-fout { background: #fee2e2; color: var(--rood); }
.waarschuwing {
  background: #fef3c7; color: #92400e; padding: 10px 12px;
  border-radius: 8px; font-size: 0.9rem;
}

.kpi-raster { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; margin-bottom: 16px; }
@media (min-width: 860px) { .kpi-raster { grid-template-columns: repeat(4, 1fr); } }
.kpi { display: flex; flex-direction: column; gap: 2px; }
.kpi-label { color: var(--stil); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }
.kpi-cijfer { font-size: 1.7rem; font-weight: 700; }
.staafjes td { border-bottom: none; padding: 3px 6px; }
.staaf-label { width: 34px; color: var(--stil); font-size: 0.85rem; }
.staaf {
  background: var(--accent); color: var(--wit); border-radius: 4px;
  min-width: 4px; height: 20px; font-size: 0.8rem; line-height: 20px;
  padding: 0 6px; box-sizing: border-box; white-space: nowrap;
}
.badge-geel { background: #fef3c7; color: #92400e; }
.badge-rood { background: #fee2e2; color: var(--rood); }

.check-regel { display: flex; gap: 10px; align-items: center; color: var(--inkt); font-size: 0.95rem; }
.check-regel input { width: auto; margin: 0; }