body {
        font-family: 'Arial', sans-serif;
        background-image: url('pic4.png');
        background-size: cover;
        color: #fff;
        margin: 0;
        padding: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100vh;
    }

    .upload-container {
        width: 1000px;
        padding: 30px;
        text-align: center;
        background-color: rgba(30, 30, 30, 0.9);
        border-radius: 20px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
        margin: 20px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .upload-container > * {
        margin-bottom: 20px;
    }

    @media (max-width: 768px) {
        .upload-container {
            max-width: 90%;
            padding: 30px;
        }
    }

    .drop-zone {
        height: 100px;
        width: 490px;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        padding: 20px;
        border-radius: 15px;
        background-color: #343434;
        cursor: pointer;
        margin-bottom: 20px;
        transition: background-color 0.3s, box-shadow 0.3s;
        border: 2px solid transparent;
        position: relative;
        top: -10px;
        left: 50%;
        transform: translateX(-50%);
        overflow: hidden;
    }
        
    .drop-zone::before {
        content: '';
        position: absolute;
        top: 0; right: 0; bottom: 0; left: 0;
        border: 2px dashed #007bff; 
        opacity: 0.7;
        transition: opacity 0.3s;
    }

    .drop-zone:hover::before {
        opacity: 1;
    }

    .drop-zone-text {
        color: #fff;
        text-align: center;
        font-size: 16px;
        z-index: 10;
    }

    .drop-zone:hover {
        background-color: #303030;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    }

    .login-btn {
        background-color: #007bff;
        color: white;
        padding: 10px 25px;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        transition: background-color 0.2s, box-shadow 0.2s;
        font-size: 16px;
        font-weight: 600;
        margin-top: 10px;
    }

    .login-btn:hover {
        background-color: #0056b3;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    }

    h2 {
        margin-bottom: 25px;
    }


    .file-list-container {
        display: none;
        background-color: #2a2a2a;
        border-radius: 10px;
        padding: 15px;
        margin-top: 20px;
        width: 100%;
    }



    .file-preview {
        display: flex;
        flex-direction: row; 
        flex-wrap: wrap; 
        gap: 10px; 
        margin-top: 20px;
    }

    .file-item {
        flex-basis: 30%;
        background-color: #2a2a2a;
        padding: 10px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        transition: transform 0.2s;
        color: #ddd;
        margin-bottom: 10px;
    }

    .file-name {
        flex-grow: 1;
        margin-left: 10px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .file-item:hover {
        transform: translateY(-2px);
    }

    .file-icon {
        font-size: 24px;
        color: #007bff;
    }
    
    .progress-container {
        flex-basis: 50%;
        background-color: #ddd;
        border-radius: 5px;
        margin-left: 10px;
    }

    .progress-bar {
        height: 10px;
        background-color: #007bff;
        border-radius: 5px;
        width: 0%;
        transition: width 0.4s ease;
    }
    
 
    .label-dropdown-container {
        display: flex;
        flex-direction: column; 
        align-items: center;
        justify-content: space-between;
        width: 100%;
        margin-top: 30px;
        margin-bottom: 30px;
    }
    
    label, select {
        flex-basis: 48%; 
    }
    
    /* Stil für das Label */
    label {
        font-weight: bold;
        color: #ddd;
        margin-bottom: 10px; 
        font-size: 18px;
    }

 
    select {
        padding: 12px 15px;
        border: 2px solid #555; 
        border-radius: 8px; 
        font-size: 16px;
        background-color: #222; 
        color: #fff; 
        cursor: pointer;
        width: 60%;
    }

    option {
        font-size: 14px;
        background-color: #333; 
        color: #fff;
    }

    option:hover {
        background-color: #444;
    }


    .upload-btn {
        padding: 10px 20px;
        border: none;
        border-radius: 6px;
        font-size: 16px;
        background-color: #555;
        color: #fff;
        cursor: pointer;
        font-weight: 600;
        transition: background-color 0.3s;
        align-self: center;
    }

    .upload-btn:hover {
        background-color: #444;
    }
    
    .upload-progress {
        width: 100%;
        height: 20px;
        margin: 10px 0;
    }

    #login-container {
        width: 100%;
        max-width: 400px;
        padding: 30px;
        background-color: rgba(50, 50, 50, 0.8);
        border-radius: 15px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        text-align: center;
        color: #fff;
        font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    }

    #login-container h2 {
        margin-bottom: 20px;
        font-size: 26px;
    }

    /* Stil für die Formulareingabefelder */
    #login-container input[type="text"],
    #login-container input[type="password"] {
        width: 100%;
        padding: 10px;
        margin-bottom: 15px;
        border: 1px solid #888;
        border-radius: 5px;
        box-sizing: border-box;
        background-color: rgba(255, 255, 255, 0.6);
        color: #333;
        transition: border-color 0.3s, box-shadow 0.3s;
    }

    #login-container input[type="text"]:hover,
    #login-container input[type="password"]:hover {
        border-color: #aaa; 
        box-shadow: 0 0 8px rgba(255, 255, 255, 0.3); 
    }

    #login-container button {
        width: 100%;
        padding: 12px 20px;
        border: none;
        border-radius: 5px;
        background-color: #007bff;
        color: white;
        font-size: 17px;
        cursor: pointer;
        transition: background-color 0.25s, transform 0.25s;
    }

    #login-container button:hover {
        background-color: #0056b3;
        transform: translateY(-2px);
    }



    footer#footer {
        position: fixed;
        left: 0;
        bottom: 0;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.7);
        color: white;
        text-align: center;
        padding: 10px 0;
        z-index: 1000;
    }

    .footer-content p {
        margin: 5px 0;
    }

    @media (max-width: 600px) {
        .footer-content {
            font-size: 14px;
        }
    }

    .loading-animation {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: rgba(0, 0, 0, 0.9);
        color: white;
        padding: 30px;
        border-radius: 15px; 
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.6); 
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        animation: fadeInOut 1.5s ease-in-out infinite;
    }

    .loading-spinner {
        margin: center;
        border: 5px solid rgba(255, 255, 255, 0.3); 
        border-top: 5px solid #007bff; 
        border-radius: 50%;
        width: 40px;
        height: 40px;
        animation: spin 2s linear infinite;
    }

    @keyframes fadeInOut {
        0%, 100% { opacity: 0.7; }
        50% { opacity: 1; }
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    .loading-text {
        margin-top: 15px;
        font-size: 18px;
        font-weight: 500;
    }

    .text-btn{
        padding: 10px 20px;
        border: none;
        border-radius: 6px;
        font-size: 16px;
        background-color: #555;
        color: #fff;
        cursor: pointer;
        transition: background-color 0.3s;
        align-self: center;
    }

    .text-btn:hover {
        background-color: #444;
    }


    .remove-file {
        color: red;
        cursor: pointer;
        margin-left: 10px;
        font-size: 15px;
    }