/* Globale instellingen */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* De container voor Formulieren en Dashboard */
.card-container {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

h2, h1 {
    color: #333333;
    margin-bottom: 24px;
    font-size: 28px;
    text-align: center;
}

p {
    color: #666666;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Formulier elementen */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #4a5568;
    font-weight: 600;
    font-size: 14px;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
}

/* Knoppen */
.btn {
    width: 100%;
    padding: 14px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn:hover {
    background: #5a67d8;
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

/* Meldingen */
.error {
    background: #fff5f5;
    color: #c53030;
    border-left: 4px solid #f56565;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.success {
    background: #f0fff4;
    color: #22543d;
    border-left: 4px solid #48bb78;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Links */
a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
}

.footer-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}