.custom-file-upload {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: 100%;
    margin: 7px 0px;
}


.upload-label {
    background-color: #e2e8f0;
    color: #333;
    padding: 10px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    border: 1px solid #cbd5e1;
    transition: background-color 0.3s;
}

.upload-label:hover {
    background-color: #cbd5e1;
}

.upload-icon {
    font-size: 16px;
}

.upload-hidden {
    display: none;
}

.file-name {
    font-size: 18px;
    color: #555;
    text-align: center;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-container {
    max-width: 600px;
    margin: 50px auto;
    padding: 30px;
    background: #ffffff;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.upload-title {
    font-size: 28px;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.upload-input {
    border: 1px solid #ccc;
    padding: 10px;
    width: 100%;
    max-width: 400px;
    border-radius: 6px;
    transition: border 0.3s;
}

.upload-input:hover {
    border-color: #0444a1;
}

.upload-button {
    background-color: #0444a1;
    color: white;
    letter-spacing: 0.5px;
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.upload-button:hover {
    background-color: #0056b3;
}

.message-list {
    list-style: none;
    padding: 0;
    margin-bottom: 15px;
}

.message {
    padding: 10px;
    border-radius: 6px;
    text-align: center;
    margin-bottom: 10px;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
}

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

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.not-authenticated {
    text-align: center;
}

.logo-spinner-container {
    display: inline-block;
    width: 35px;
    height: 35px;
}

.spinning-logo {
    width: 100%;
    height: 100%;
    display: block;
    opacity: 0;
    animation: spin 1.5s linear infinite, fadeIn 2s ease-out forwards;
    transform-origin: center center;
    margin: 0;
    padding: 0;
}

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

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}