body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: #f4f6f9; /* Lichtgrijze achtergrond */
  color: #333; /* Donkergrijze tekst */
}
.topbar {
  background-color: #ffffff; /* Witte header */
  border-bottom: 2px solid #e2e8f0;
}

.topbar-inhoud {
  max-width: 1100px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: #007bff;
  font-weight: bold;
}

.nav-links a:hover {
  text-decoration: underline;
}
.footer {
  background-color: #ffffff;
  border-top: 1px solid #e2e8f0;
  color: #6c757d;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}
main.page {
  padding-top: 30px;
  padding-bottom: 50px;
  min-height: calc(100vh - 160px);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
.kaart {
  background-color: #ffffff;
  color: #333;
  border: 1px solid #dee2e6;
  border-radius: 8px; /* Simpele hoeken */
  padding: 20px;
  margin-bottom: 20px;
}

.kaart-klein {
  background-color: #ffffff;
  color: #333;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 20px;
  height: 100%;
}

.kaart h1, .kaart h2, .kaart h3,
.kaart-klein h1, .kaart-klein h2, .kaart-klein h3 {
  margin-top: 0;
  color: #212529;
}
.flex-rij {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.flex-helft { flex: 0 0 calc(50% - 10px); }
.flex-derde { flex: 0 0 calc(33.333% - 14px); }
.flex-groot { flex: 0 0 calc(66.666% - 10px); }
.flex-klein { flex: 0 0 calc(33.333% - 10px); }

@media (max-width: 768px) {
  .flex-helft, .flex-derde, .flex-groot, .flex-klein {
    flex: 0 0 100%;
  }
}
.flex-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.flex-filter > div {
  flex: 1;
  min-width: 200px;
}

.form-card {
  max-width: 500px;
  margin: 0 auto;
}

.form-label {
  display: block;
  font-weight: bold;
  margin-bottom: 5px;
}

.form-control, .form-select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ced4da;
  border-radius: 4px;
  box-sizing: border-box; 
}
.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background-color: #007bff;
  color: white;
  border-color: #007bff;
}

.btn-primary:hover {
  background-color: #0056b3;
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.btn-success {
  background-color: #28a745;
  color: white;
}

.btn-danger {
  background-color: #dc3545;
  color: white;
}

.btn-outline-primary {
  background-color: transparent;
  color: #007bff;
  border-color: #007bff;
}

.btn-outline-primary:hover {
  background-color: #007bff;
  color: white;
}

.btn-outline-danger {
  background-color: transparent;
  color: #dc3545;
  border-color: #dc3545;
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.875rem;
}
.flash {
  padding: 12px;
  border-radius: 4px;
  margin-bottom: 15px;
  font-weight: bold;
}

.flash-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.flash-danger {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}
.list-card {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-card li {
  border: 1px solid #dee2e6;
  border-radius: 4px;
  padding: 15px;
  margin-bottom: 10px;
  background-color: #ffffff;
}
.tag {
  display: inline-block;
  background-color: #e9ecef;
  color: #495057;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 0.85em;
  font-weight: bold;
  margin-bottom: 10px;
}
.admin-tabel {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

.admin-tabel th,
.admin-tabel td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #dee2e6;
}

.admin-tabel th {
  background-color: #e9ecef;
  font-weight: bold;
}

.admin-tabel tr:hover {
  background-color: #f8f9fa;
}
.waarschuwing {
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 4px;
  padding: 15px;
  margin-bottom: 15px;
  color: #721c24;
}
.d-grid {
  display: grid;
}
.gap-3 {
  gap: 15px;
}
.mb-2 {
  margin-bottom: 8px;
}
.mb-3 {
  margin-bottom: 15px;
}