body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    margin-top: 50px;
}

.nav-tabs {
    margin-bottom: 20px;
}

.tab-content {
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.5s ease-in-out;
}

.form-group {
    margin-bottom: 20px;
}

.btn {
    font-weight: bold;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-success {
    background-color: #4CAF50;
    border-color: #4CAF50;
    padding: 12px 20px;
    border-radius: 5px;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    padding: 12px 20px;
    border-radius: 5px;
}

.btn-success:hover {
    background-color: #45a049;
    border-color: #45a049;
    transform: translateY(-2px);
}

.btn-primary:hover {
    background-color: #0069d9;
    border-color: #0062cc;
    transform: translateY(-2px);
}

.success {
    background-color: #D4EDDA;
    color: #155724;
    padding: 10px;
    border: 1px solid #C3E6CB;
    border-radius: 5px;
    margin-bottom: 10px;
}

.error {
    background-color: #F8D7DA;
    color: #721C24;
    padding: 10px;
    border: 1px solid #F5C6CB;
    border-radius: 5px;
    margin-bottom: 10px;
}

/* Modalbox-Stile */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-modal:hover,
.close-modal:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}


@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}