.fz-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px;
}
.fz-box {
    border: 2px dashed #4a90e2;
    border-radius: 12px;
    padding: 20px 10px;
    text-align: center;
    transition: all 0.3s ease;
    background-color: #f9fbfd;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.fz-box.dragover {
    border-color: #2c6ecb;
    background-color: #edf2fa;
    transform: scale(1.01);
}
.fz-icon {
    font-size: 48px;
    color: #4a90e2;
    /*margin-bottom: 20px;*/
    transition: color 0.3s ease;
}

.fz-box.dragover .fz-icon {
    color: #2c6ecb;
}

.fz-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.fz-title-sm {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
}

.fz-button {
    background-color: #4a90e2;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.fz-button:hover {
    background-color: #2c6ecb;
}

.fz-message {
    text-align: center;
    padding-top: 15px;
    color: red;
}