/* ===== Reset & basis ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f5f7fa;
  color: #333;
}

/* ===== Header & Navigatie ===== */
header {
  background-color: #2a9df4;
  padding: 10px 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header nav a {
  color: #fff;
  text-decoration: none;
  padding: 8px 12px;
  margin-right: 8px;
  border-radius: 4px;
  transition: background 0.3s;
  font-weight: bold;
}
header nav a:last-child {
  margin-right: 0;
}
header nav a:hover {
  background-color: rgba(255,255,255,0.2);
}

/* ===== Login Box ===== */
.login-container {
  max-width: 400px;
  margin: 80px auto;
  background: #fff;
  padding: 30px 40px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.login-container h1 {
  margin-bottom: 20px;
  text-align: center;
  color: #2a9df4;
}
.login-container label {
  display: block;
  margin: 12px 0 4px;
  font-weight: bold;
}
.login-container input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccd0d5;
  border-radius: 4px;
}
.login-container button {
  width: 100%;
  padding: 12px;
  background: #2a9df4;
  color: #fff;
  border: none;
  border-radius: 4px;
  margin-top: 20px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}
.login-container button:hover {
  background: #2380c3;
}

/* ===== Algemene Formulieren ===== */
form {
  background: #fff;
  padding: 20px;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  margin-bottom: 30px;
}
form .form-group {
  margin-bottom: 15px;
}
form label {
  display: block;
  margin-bottom: 6px;
}
form input, form select, form textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccd0d5;
  border-radius: 4px;
}
form button {
  padding: 10px 20px;
  background: #2a9df4;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
form button:hover {
  background: #2380c3;
}

/* ===== Tabellen & Lijsten ===== */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
}
.table th, .table td {
  padding: 12px 15px;
  border-bottom: 1px solid #e1e4e8;
  text-align: left;
}
.table th {
  background: #f0f2f5;
  font-weight: bold;
}
.table tr:hover td {
  background: #f9fafb;
}

/* ===== Knoppen ===== */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.3s, color 0.3s;
}
.btn-primary {
  background: #2a9df4;
  color: #fff;
}
.btn-primary:hover {
  background: #2380c3;
}
.btn-secondary {
  background: #6c757d;
  color: #fff;
}
.btn-secondary:hover {
  background: #5a6268;
}
.btn-info {
  background: #17a2b8;
  color: #fff;
}
.btn-info:hover {
  background: #138496;
}
.btn-warning {
  background: #ffc107;
  color: #212529;
}
.btn-warning:hover {
  background: #e0a800;
}
.btn-danger {
  background: #dc3545;
  color: #fff;
}
.btn-danger:hover {
  background: #c82333;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 12px 0;
  background: #f0f2f5;
  color: #666;
  font-size: 14px;
}