:root {
    --primary-color: #4A5D4E;
    --secondary-color: #D4A373;
    --bg-color: #F4F7F6;
    --card-bg: #FFFFFF;
    --text-color: #333333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Header & Menubalk */
.site-header {
    background: var(--card-bg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.logo-container {
    text-align: left;
    padding: 15px 30px;
}

.wide-logo {
    max-height: 70px;
    width: auto;
}

.navbar {
    max-width: 1200px;
    margin: 0;
    padding: 10px 30px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

/* Container & Secties */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section, .admin-container {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

/* Admin Navigatie Tabbladen */
.admin-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 2px solid #ddd;
    padding-bottom: 10px;
}

.admin-nav a {
    padding: 8px 16px;
    background: #e9ecef;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
}

.admin-nav a.active {
    background: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Tabellen */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    background: white;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
    font-size: 14px;
}

th {
    background-color: var(--primary-color);
    color: white;
}

/* Knoppen & Formulieren */
.btn {
    background: var(--primary-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: #3b4b3e;
}

.site-footer {
    text-align: center;
    padding: 20px;
    background: #2c3e50;
    color: white;
    margin-top: 40px;
    font-size: 14px;
}

.site-footer a {
    color: var(--secondary-color);
    text-decoration: none;
}

/* Professionele formulier-indeling voor het admin dashboard */
.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--primary-color);
}

.form-group input, 
.form-group select {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
    background-color: #fff;
}