body {
    background-color: #2c2c2c;
    color: #dcdcdc;
    font-family: 'Roboto', sans-serif;
}

.container {
    margin-top: 2rem;
    transition: filter 0.3s ease;
}

.card {
    background-color: #3c3c3c;
    border: none;
    border-radius: 10px;
    padding: 1rem;
}

.card h1, .card h3 {
    color: #ffffff;
}

.form-control, .btn {
    border-radius: 5px;
}

.form-control {
    background-color: #4c4c4c;
    border: 1px solid #555;
    color: #ffffff;
}

.form-control:focus {
    background-color: #5c5c5c;
    border-color: #666;
    color: #ffffff;
}

.form-control[readonly] {
    background-color: #4c4c4c;
    color: #ffffff;
}

.btn-primary {
    background-color: #007bff; /* Blau */
    border: none;
    height: 70px;
    font-size: 1.2rem; /* Größere Schrift */
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-success {
    background-color: #28a745;
    border: none;
    height: 70px;
    font-size: 1.2rem; /* Größere Schrift */
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-success:hover {
    background-color: #218838;
}

#loadingMessage {
    display: none;
    font-size: 1.5rem;
    color: #ffffff;
    text-align: center;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
}

.dots {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #ffffff;
    border-radius: 50%;
    margin-left: 5px;
    animation: blink 1.4s infinite both;
}

.dots:nth-child(1) {
    animation-delay: 0s;
}

.dots:nth-child(2) {
    animation-delay: 0.2s;
}

.dots:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes blink {
    0%, 80%, 100% {
        opacity: 0;
    }
    40% {
        opacity: 1;
    }
}

.form-control.not-recognized {
    border-color: red !important;
    border-width: 2px !important;
}

.form-control.valid {
    border-color: green !important;
    border-width: 2px !important;
}

.custom-file-input {
    height: 70px; /* Doppelte Höhe */
    padding: 20px; /* Vertikales Padding */
}

.custom-file-label {
    height: 70px; /* Doppelte Höhe */
    line-height: 30px; /* Vertikale Zentrierung des Textes */
    background-color: #800080; /* Violett */
    color: white;
    border-radius: 5px;
    border: none;
    text-align: center;
    font-size: 1.2rem; /* Größere Schrift */
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-file-label::after {
    content: ''; /* Entfernt den Text "Browse" */
}

.button-spacing {
    margin-top: 20px; /* Vergrößerter Abstand zwischen den Buttons */
}
