/* Algemene stijlen */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #f72585;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #4cc9f0;
    --warning-color: #f9c74f;
    --danger-color: #f94144;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header stijlen */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo-icon {
    margin-right: 10px;
    font-size: 2rem;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: 1.5rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.user-info {
    display: flex;
    align-items: center;
    margin-left: 1.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
}

.user-icon {
    margin-right: 0.5rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hoofdinhoud stijlen */
.main {
    padding: 2rem 0;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--gray-color);
    font-size: 1.2rem;
}

/* Card stijlen */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.card-title {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* Formulier stijlen */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.form-col {
    flex: 1 0 0%;
    padding: 0 0.75rem;
    min-width: 250px;
}

/* Tabel stijlen */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
}

.data-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: var(--secondary-color);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover {
    background-color: #f8f9fa;
}

/* Knoppen stijlen */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #3a9fc7;
    transform: translateY(-2px);
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.btn-warning:hover {
    background-color: #e6b441;
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #d13436;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--gray-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* Alert stijlen */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.alert-danger {
    background-color: #ffeaea;
    color: var(--danger-color);
    border: 1px solid #ffc9c9;
}

.alert-info {
    background-color: #e8f4fd;
    color: var(--success-color);
    border: 1px solid #b3e0ff;
}

.alert-success {
    background-color: #e6f7ee;
    color: #28a745;
    border: 1px solid #b3e6ce;
}

/* Welkomstpagina stijlen */
.welcome-hero {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    color: white;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.welcome-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.welcome-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.welcome-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    flex: 1 1 300px;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Inlogpagina stijlen */
.login-container {
    max-width: 500px;
    margin: 2rem auto;
}

/* Responsive stijlen */
@media (max-width: 992px) {
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .nav-item {
        margin: 0;
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 2rem;
        border-radius: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .user-info {
        margin-left: 0;
        margin-top: 1rem;
        width: 100%;
        justify-content: center;
    }
    
    .welcome-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .form-col {
        flex: 0 0 100%;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-title {
        margin-bottom: 1rem;
    }
    
    .welcome-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .welcome-hero {
        padding: 2rem 1rem;
    }
    
    .welcome-title {
        font-size: 1.8rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }
}

/* Utility classes */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-3 {
    margin-top: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

/* Animaties */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}